HWH Corporation 625S Series User manual

OPERATOR’S MANUAL
ML53537/MP04.3389
07APR14
BI-AXIS Touch Panel Control
Straight-Acting (Power-Extend/Spring-Retract) Jacks
FEATURING:
HWH CORPORATION
(On I-80, Exit 267 South)
2096 Moscow Road | Moscow, Iowa 52760
Ph: 800/321-3494 (or) 563/724-3396 | Fax: [phone]
www.hwh.com
HYDRAULIC LEVELING SYSTEM
HWH 725 SERIES, COMPUTER-CONTROLLED
R
Manual Pilot Air Dump
AP53536
R
RETRACT
EXTEND
HWH COMPUTERIZED LEVELING
SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES
CANCEL
STORE
AUTO
AUTO
LEVEL
TRAVEL
BRAKE
MODE
WARNING!
EXCESS
SLOPE
NOT IN
PARK/
R
MANUAL
RETRACT
EXTEND
CORPORATION
W
HH
R
Multiple Slide-outs
DUMP
MANUAL
HWH SPACEMAKER SLIDE-OUT SYSTEMS
R R
Exterior Entry Step System

WARNING !
READ THE ENTIRE OPERATOR MANUAL BEFORE OPERATING.
BLOCK FRAME AND TIRES SECURELY BEFORE CRAWLING UNDER VEHICLE. DO NOT USE LEVELING JACKS OR
AIR SUSPENSION TO SUPPORT VEHICLE WHILE UNDER VEHICLE OR CHANGING TIRES. VEHICLE MAY DROP
AND/OR MOVE FORWARD OR BACKWARD WITHOUT WARNING CAUSING INJURY OR DEATH.
WEAR SAFETY GLASSES WHEN INSPECTING OR SERVICING THE SYSTEM TO PROTECT EYES FROM DIRT, METAL
CHIPS, OIL LEAKS, ETC. FOLLOW ALL OTHER APPLICABLE SHOP SAFETY PRACTICES.
OPERATOR’S MANUAL
KEEP ALL PEOPLE CLEAR OF VEHICLE WHILE DUMPING AIR FROM THE VEHICLE’S SUSPENSION.
DO NOT MOVE THE VEHICLE IF THE VEHICLE IS NOT AT THE PROPER RIDE HEIGHT. CONTACT MANUFACTURER
IMPORTANT: IF COACH IS EQUIPPED WITH A ROOM EXTENSION, READ ROOM EXTENSION SECTION BEFORE
OPERATING LEVELING SYSTEM.
08APR10
MP14.0014
TECHNICAL SERVICE FOR MOVING THE VEHICLE WHEN NOT AT THE PROPER RIDE HEIGHT.
KEEP ALL PEOPLE CLEAR OF VEHICLE WHILE OPERATING LEVELING SYSTEM OR ROOM EXTENSIONS.
HWH maintains technical and information services at 800-321-3494 or
563-724-3396. Assistance is available Monday thru Friday from 8:00A.M until 5:00P.M. C.S.T.
Technical and information service is also available on-line at www.hwh.com.

MP24.2850
07APR14
CONTROL IDENTIFICATION
625S / 725 / 2000 SERIES LEVELING SYSTEM
COMPUTER-CONTROL
RETRACT
EXTEND
HWH COMPUTERIZED LEVELING
SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES
"EXCESS SLOPE" Indicator light
"AUTO LEVEL" Button
AUTO LEVEL/STORE
CANCEL Button
"NOT IN PARK" Indicator light
"TRAVEL MODE"
Indicator light
AUTO LEVEL Indicator light
"AUTO STORE" Button
STORE Indicator light
RAISE LEFT SIDE Manual button
LOWER LEFT SIDE Manual button
STORE
AUTO
CANCEL
AUTO
LEVEL
TRAVEL
BRAKE
MODE
WARNING!
EXCESS
SLOPE
NOT IN
PARK/
R
LOWER FRONT Manual button
RAISE FRONT Manual button
JACK DOWN
Indicator light (4) red
RAISE RIGHT SIDE
Manual button
LOWER RIGHT SIDE
Manual button
LEVEL SENSING
Indicator light (4) yellow
RAISE REAR Manual button
LOWER REAR Manual button
MANUAL
RETRACT
EXTEND
CONTROL FUNCTIONS
the automatic store function.
STORE INDICATOR LIGHT:
during the automatic leveling function.
AUTO LEVEL INDICATOR LIGHT:
INDICATOR LIGHTS
start the automatic leveling function.
They are functional only when the ignition is in the "ON"
yellow level indicators are jacks down WARNING lights.
will retract their respective jack pairs to lower the vehicle.
extend their respective jack pairs to lift the vehicle.
RETRACT BUTTONS (DOWN ARROWS):
EXTEND BUTTONS (UP ARROWS):
CONTROL BUTTONS
WARNING LIGHTS:
four jacks at the same time.
"AUTO STORE" BUTTON:
"AUTO LEVEL" BUTTON:
any leveling system operation.
"CANCEL" BUTTON:
This light will flash during
This light will flash
The four red lights surrounding the
Push this button any time to
These buttons will
Push this button to retract all
Push this button to stop
These buttons
The four yellow indicating lights are
level sensing indicators. When a yellow light is on, it
indicates that its side, end, or corner of the vehicle is low.
No more than two lights should be on at the same time.
When all four yellow LEVEL lights are out, the vehicle is
level.
It will be on when any one or more jacks are extended
This is a jacks down warning. It will
This indicator light will be on
This indicator will light
This indicator will light when
INDICATOR LIGHTS (CONTINUED)
light mounted in the dash separate from the touch panel.
MASTER "JACKS DOWN" WARNING LIGHT:
when the ignition is on, when the jacks are retracted and
when the hand/auto brake is not set and the "AUTO LEVEL"
the leveling system cannot level the vehicle.
"TRAVEL MODE" LIGHT:
sound if the master "JACKS DOWN" warning light is on.
and the ignition is "ON".
there are no red WARNING lights on.
AUDIBLE ALARM:
button is being pushed.
"NOT IN PARK/BRAKE" LIGHT:
"EXCESS SLOPE" LIGHT:
LEVELING LIGHTS:
This is a
or "ACC" position, the system is on, and the jacks are
extended 1/4 to 1/2 inch.

CONTROL FUNCTIONS
CONTROL IDENTIFICATION
MP24.456
0
08DEC1
5
CORPORATION
H
CAUTION!
CLEAR OF ROOM WHEN OPERATING.
UNDERSTAND OPERATOR’S MANUAL BEFORE
USING. KEEP PEOPLE AND OBSTRUCTIONS
HYDRAULIC ROOM EXTENSION
OFF
ON
RETRACT
H
W
R
EXTEND ROOM CONTROL
SWITCH
KEY SWITCH
The KEY SWITCH controls power to the ROOM
CONTROL SWITCH. When the KEY SWITCH is in the "ON"
POSITION the room can be operated, and the key cannot be
removed. When the KEY SWITCH is in the "OFF" position
the room cannot be operated, and the key can be removed.
The ROOM CONTROL SWITCH
is a two position momentary switch. Pressing the switch i
n
the EXTEND POSITION will extend the room. Pressing the
switch in the RETRACT POSITION will retract the room. Re
-
leasing the ROOM CONTROL SWITCH will halt the operation
of the room. The panel may be equipped with two rocker
ROOM OPERATOR’S PANEL
KEY
KEY SWITCH: ROOM CONTROL SWITCH:
is OEM provided. Refer to OEM operator instructions.
This switch (not shown)ROOM SELECTOR SWITCH:
OEM PROVIDED ROOM SELECTOR SWITCH (IF APPLICABLE)
switches for controlling multiple rooms.

MP25.9995
14MAR12
CONTROL IDENTIFICATION
PUMP RUN TIME
SYSTEM VARIATIONS FOR PUMP RUN TIME
Contact HWH corporation to get specific information about the system in this vehicle.
No matter what HWH system is on the vehicle, the pump should not be ran for more than four minutes
(3" motors) or six minutes (3.7" or 4.5" motors) without allowing the pump motor to cool for thirty minutes.
Continuous operation of the pump motor without allowing the motor to cool can damage the pump motor.
Some HWH systems are equipped with a lighted reset switch.
If the processor turns the pump off because the run time has
been exceeded, the light in the reset switch will turn on. The
With some systems, when the processor has turned the pump off because the run time has been exceeded, power
to the HWH system must be turned off and back on before the system will operate. With motorized vehicles, turn the
ignition off and back on. With non-motorized vehicles, turn the master power switch for the HWH system off and back
DO NOT continue without allowing the pump motor to cool for thirty minutes.
When operating some leveling systems manually or operating the room extensions, the pump will turn off and back
on while pushing the control button when the pump run time has been exceeded.
the pump motor to cool for thirty minutes.
Some systems can be turned back on immediately after the processor turns the pump off.
back on or run the pump without allowing the pump motor to cool for thirty minutes.
Some systems with rooms run the rooms separate from the system processor. These systems do not monitor pump
run time when operating the rooms.
pump motor to cool for thirty minutes.
The HWH systems with a computer processor monitor the pump run time and will turn the pump off if the run time exceeds a
specified time. This time can vary with different systems. Due to available electronics or system design, the pump run time
programs will also vary. Leveling systems and room extensions that are not controlled by a system processor have no pump
run time protection.
thirty minutes.
Pump motors used with HWH leveling systems and room extension systems come in 3 different diameters; 3", 3.7" and 4.5".
Contact the vehicle manufacturer or HWH for help with identifying the motor size.
runs for more than four minutes with a 3" motor; or six minutes with a 3.7" or 4.5" motor that the motor is allowed
to cool for thirty minutes before continuing. Continuous operation of the pump motor without allowing the motor
PUMP RUN TIME
It is important that any time the pump
to cool can damage the motor.
DO NOT run the pump more than four or six minutes without allowing the pump motor to cool for
DO NOT run the pump more than four or six minutes without allowing the
DO NOT turn the system
DO NOT continue without allowing
on.
system will not operate until the reset switch is pushed.
DO NOT continue without allowing the pump motor to
cool for thirty minutes. LIGHTED RESET SWITCH
For cold weather information see "COLD WEATHER OPERATIONS" below.
COLD WEATHER OPERATIONS
HWH leveling and room extension systems are designed to function in cold weather down to 0 degrees Fahrenheit. Below
freezing (32 degrees Fahrenheit) the jacks or rooms will operate slower than usual.
For operation in temperatures dropping below -20 degrees Fahrenheit, it is necessary that the system is equipped with oil
designed for extreme cold weather application such as a synthetic oil. (Contact HWH for recommendations.)
DO NOT run the pump motor continuously.
Continuous operation of the pump with slow moving jacks or rooms in cold weather, without allowing the pump motor to
cool will cause the pump motor to burn up and damage the pump assembly.
It is important that any time the pump runs for more than four minutes
continuing. Continuous operation of the pump motor without allowing the motor to cool can damage the motor.
with a 3" motor; or six minutes with a 3.7" or 4.5" motor that the motor is allowed to cool for thirty minutes before

OPERATING PROCEDURES
MP34.020
5
03SEP1
4
GENERAL INSTRUCTIONS
PREPARATION FOR TRAVEL
If parking on soft ground or asphalt paving, a wood block or
pad should be placed under each jack.
Any time a hydraulic leveling process is interrupted, retract
the jacks according to the JACK RETRACTION Section and
then restart the leveling process.
If the hand / auto brake is not set when the "AUTO LEVEL"
button is pressed, the "NOT IN PARK/BRAKE" light will
come on. When the "AUTO LEVEL" button is released the
If the jacks are retracted but a red "WARNING" light is lit
the system needs to be serviced.
If the jacks cannot be retracted according to the JACK
RETRACTION Section, retract the jacks according to the
MANUAL JACK RETRACTION Section. The system
should then be checked.
Maintain adequate clearance in all directions for vehicle, room
extensions, awnings, doors, steps, etc. Vehicle may move in
any direction due to jacks extending or retracting, settling of
the jacks or the vehicle, equipment malfunction, etc..
Any room extension, step or generator slide should be fully
DO NOT MOVE THE VEHICLE IF ONE
OR MORE JACKS ARE EXTENDED TO THE GROUND.
WARNING:
"NOT IN PARK/BRAKE" light will go out. The Automatic
retracted before traveling.
Leveling function will not start.
Press the "CANCEL" button or turn the ignition switch
"OFF" at any time to stop the operation of the system.
fail to retract completely, extend the jacks back down
to the ground then retract the jacks again.
NOTE: If the vehicle is parked or stored with the jacks
extended for an extended period of time and the jacks
IMPORTANT: Before traveling, the red jack warning
lights must be off, the "TRAVEL MODE" light must be on
and the vehicle should be at the proper height for travel.
If lights are not correct for travel, retract jack as
THE LEVELING JACKS ARE STILL IN CONTACT WITH
THE GROUND OR IN THE EXTEND POSITION. THIS
VEHICLE IS EQUIPPED WITH STRAIGHT-ACTING JACKS.
MOVING THE VEHICLE WITH THE LEVELING JACKS
EXTENDED CAN CAUSE SEVERE DAMAGE TO THE
WARNING: DO NOT MOVE THE VEHICLE WHILE
TRAVELING. CONTACT MANUFACTURER TECHNICAL
SERVICE BEFORE MOVING A VEHICLE THAT IS NOT
AT PROPER TRAVEL HEIGHT.
VEHICLE IS AT THE PROPER RIDE HEIGHT FOR
INTO THE STORE/TRAVEL POSITION AND THE
JACKS AND OR THE VEHICLE AND CREATE A DRIVING
HAZARD. DO NOT RELY SOLELY UPON WARNING
LIGHTS. IT IS THE OPERATOR’S RESPONSIBILITY
TO CHECK THAT ALL JACKS ARE FULLY RETRACTED
described in the JACK RETRACTION Section.
ROOM EXTENSION PROCEDURES
It is recommended to retract room extensions before
the Leveling Procedure before operating room extensions.
MUST be blocked securely. It is recommended to complete
If the vehicle is equipped with kick-down jacks, the wheels
extension read this section carefully.
IMPORTANT: If the vehicle is equipped with a room
retracting jacks.
when the vehicle is supported by the leveling system.
Refer to the vehicle owners manual for proper operation of
IMPORTANT: Do not use a room extension support
room extensions.
NOTE: This manual is intended for vehicles with a spring
or air suspension. If the vehicle has an air suspension
with a manual pilot air dump, refer to the vehicle
manufacturer for operating instructions.

MP34.2752A
07APR14
OPERATING PROCEDURES
725 SERIES LEVELING SYSTEM
AUTOMATIC HYDRAULIC LEVELING
the vehicle ignition is in the ON or ACC. position
the leveling system touch panel can be on anytime
NOTE: One or two yellow level indicator lights on
the automatic leveling function.
"CANCEL" button on the HWH touch panel will stop
pushing the "AUTO LEVEL", "AUTO STORE" or the
IMPORTANT: During the Automatic Leveling procedures,
The AUTO LEVEL light will start to flash.
3. Press the "AUTO LEVEL" button one time.
and place a pad under each jack if the ground will not
2. At this time, the operator may want to check the jacks
engine off. Turn the ignition to the "ACCESSORY" position.
parking the vehicle and set parking brake. Turn the coach
1. Place transmission in the recommended position for
and the park brake is set.
support the vehicle.
5. Turn the ignition switch to the "OFF" position.
The slight lift experienced during the stabilizing procedure
normally is not sufficient to cause a level issue for the motor
home. However, a feature of the single step leveling system
is the manual leveling buttons will function anytime the
ignition is in the ON or ACC. position and the park brake is
set. If desired, the operator can use the UP ARROWS
(extend jacks) that correspond to any lit yellow level indicator
light to "bump" the vehicle up slightly to turn that yellow
indicator light off.
AUTO LEVEL SEQUENCE: During the automatic
leveling sequence, after the system has extended the
appropriate jacks to level the vehicle and has turned
the yellow level indicator lights off, the system will
then stabilize the vehicle.
The stabilize procedure is a specific sequence where the
computer checks the jack pressure switches. If the switch
is on, the jack is stabilizing the vehicle. If the switch is not
on, the computer turns the pump and valve on for that jack
until the pressure switch turns on.
The sequence starts with the right rear jack. If the pressure
switch is not on, the system will extend the jack as necessary.
If the switch is on (or when it comes on) the system will check
the left rear jack pressure switch, extending the jack if necessary
If the left rear switch is on (or when it comes on), the system
will recheck the right rear (extending if necessary) then recheck
the left rear (extending if necessary). After checking and
rechecking both rear jacks, the system then checks the front
jacks. The system checks both front jacks at the same time.
If either pressure switch is not on, the system will turn the
pump on and open the valves for both front jacks. When
If a yellow level light is still on after the repeat sequence,
the system will turn off, leaving the level light on.
both front pressure switches are on, the system turns the
pump and front valves off.
In the event the jacks are
unable to level the coach, the "EXCESS SLOPE" light will
come on. Excess slope is one or two jacks fully extended
without turning the yellow level light out. The system will not
One or more jacks may be extended. The system will shut
off leaving the "EXCESS SLOPE" light on. The "EXCESS
SLOPE" light will remain on if there is power to the control
box, until the jacks have been fully retracted using the
"STORE" button, turning the red warning lights out. Refer
to the HITCHING AND STORING JACKS section. Move
the trailer to a more level position or level the trailer as close
as possible according to the MANUAL LEVELING section.
Manual leveling will operate when the EXCESS SLOPE
stabilize the vehicle if the "EXCESS SLOPE" light comes on.
EXCESS SLOPE SITUATION:
light is on.
Stabilize sequence information: The stabilize sequence
is part of the auto level sequence. Each jack has a pressure
switch. The switch will turn on when the jack extends to the
ground and lifts the vehicle slightly. Jacks that have lifted the
vehicle for leveling should have pressure switches that are
on.
If at this time a yellow level light is on, the system will
automatically repeat the leveling sequence. The repeat
sequence will only happen if a yellow level light is on at the
end of the initial leveling and stabilizing sequence.
IMPORTANT: THIS VEHICLE IS EQUIPPED WITH AN
AIR SUSPENSION AND A MANUAL SUSPENSION DUMP,
THE SUSPENSION AIR SHOULD BE EXHAUSTED AT
THIS TIME. REFER TO THE VEHICLE MANUFACTURER
FOR OPERATING INSTRUCTIONS.

MP34.3062A
07APR14
WARNING:
JACK RETRACTION (HWH TOUCH PANEL CONTROLS)
THE OPERATOR MUST BE SURE THAT
THERE ARE NO OBJECTS UNDER THE VEHICLE AND THAT
ALL PEOPLE ARE CLEAR OF THE VEHICLE.
4. If jacks cannot be retracted by the above procedure see
MANUAL JACK RETRACTION Section.
OPERATING PROCEDURES
725 SERIES LEVELING SYSTEM
NOTE: When traveling thermal expansion may cause
a jack to extend slightly. When the "AUTO STORE"
button has been used to retract the jacks, the system
will automatically retract any jack that extends due to
thermal expansion.
IMPORTANT: If a red warning light and buzzer come on
while traveling, the jacks should be checked as soon as
a safe parking location is found.
NOTE: When the jacks are stored with the ignition in
the ON position, the warning buzzer will sound until
the jacks have retracted to the STORE position. If
desired, the jacks can be stored with the ignition key
in the accessory position. This will eliminate the
warning buzzer while the jacks are retracting.
2. Press the "AUTO STORE" button. The store indicator
light will flash. The front jacks will retract for 5 seconds
before the rear jacks will begin to retract. As each jack
retracts, its red WARNING light will go out. The system
will automatically shut down 1 minute after the four
individual red "WARNING" lights are out. If any one red
"WARNING light does not go out, the system will continue
to store for fifty minutes, then shut down regardless of
the "WARNING" lights condition.
the automatic store function.
"CANCEL" button on the HWH touch panel will stop
pushing the "AUTO LEVEL", "AUTO STORE" or the
IMPORTANT: During the Automatic Store procedures,
IMPORTANT: If power to the system is interrupted after
starting a store procedure the store procedure should be
reinitiated and the jacks should be completely retracted
with all four red WARNING lights out prior to traveling.
manufacturer for operating instructions.
TRAVEL position at this time. Refer to the vehicle
and a manual air dump, place the suspension in the
NOTE: If the vehicle is equipped with an air suspension
1. Start the engine. Store the jacks immediately.
are inflated to the vehicles proper ride height.
DO NOT MOVE THE VEHICLE WHILE THE
LEVELING JACKS ARE STILL IN CONTACT WITH THE GROUND
OR IN THE EXTEND POSITION. THIS VEHICLE IS EQUIPPED
WITH STRAIGHT-ACTING JACKS. MOVING THE VEHICLE
WITH THE LEVELING JACKS EXTENDED CAN CAUSE
SEVERE DAMAGE TO THE JACKS AND OR THE VEHICLE AND
CREATE A DRIVING HAZARD. DO NOT RELY SOLELY UPON
WARNING LIGHTS. IT IS THE OPERATOR’S RESPONSIBILITY TO
CHECK THAT ALL JACKS ARE FULLY RETRACTED INTO
3. The vehicle can be moved as soon as the red warning
lights are out, the jacks are in the STORE/TRAVEL position,
the green "TRAVEL" light is on, and the suspension air bags
THE STORE/TRAVEL POSITION AND THE VEHICLE IS AT
THE PROPER RIDE HEIGHT.
WARNING:

OPERATING PROCEDURES
MP34.3334
08JUN10
IMPORTANT: Do not continue to push an EXTEND
MANUAL HYDRAULIC OPERATION
1. Place transmission in the recommended position for parking
2. Place pads under the jack feet if the ground will not support
the vehicle on the jacks.
3. The vehicle may be leveled using the manual EXTEND
(UP ARROW) buttons on the right half of the panel. If a yellow
LEVEL SENSING light is on, that side, end or corner of the
Jacks will extend (or retract) in pairs to raise (or lower) a side
or end of the vehicle.
button for more than ten (10) seconds after that pair of
4. When leveling is completed, turn the ignition
switch to the "OFF" position.
the vehicle, and set the parking brake. Turn the ignition to the
"ACCESSORY" position.
jacks are fully extended.
vehicle is low. It is best to level the vehicle side to side first,
if needed, before front to rear.
Any jack not used for leveling can be extended to the
ground. This provides additional stability against wind and
activity in the vehicle. Jacks used to stabilize the vehicle
after leveling is complete should lift the vehicle slightly after
touching the ground.
MANUAL JACK RETRACTION
large and / or small valves.
direction may damage the valve.
on the valve. Pushing the release cam in the wrong
release cam. The cam might be rotated in any direction
Large and small valves may be equipped with a valve
than 2 full turns may damage the valve.
release nut turned approximately 2 full turns. More
Large valves with valve release nuts will need the
the two center valves.
3. Retract the front jacks by slowly opening
WARNING:
2. Allow clearance for the vehicle to lower.
The solenoid valves are located on the power unit/valve
1. Locate the manual valve release on each solenoid valve.
RELEASE IS OPERATED.
OR BACKWARD WITHOUT WARNING AS THE VALVE
THE VEHICLE MAY DROP AND/OR MOVE FORWARD
DISTANCE IN FRONT AND REAR OF THE VEHICLE.
DO NOT CRAWL UNDER THE VEHICLE, KEEP A SAFE
could damage the valves.
valves more than 4 and 1/2 turns. Turning the nuts more
the jacks. DO NOT turn valve release nuts on the small
IMPORTANT: Only open the valves enough to retract
assembly.
KEEP AWAY FROM THE WHEELS,
control panel will not retract the jacks for travel.
The solenoid valves on the power unit valve assembly are
equipped with a manual valve release. Use the manual valve
release for retracting only if the "AUTO STORE" button on the
NOTE: Assemblies can have different combinations of 5. Check that all four jacks are now retracted.
VALVE RELEASE CAM OPERATION
LARGE STYLE WITH
VALVE RELEASE CAM
VALVE RELEASE NUT
SMALL STYLE WITH
clockwise, or move the valve release cam to the closed
7. The system should now be repaired before using again.
IMPORTANT: Once the valve release nut is snug, DO
NOT tighten the valve release nut past this point as
6. Close the valves by turning the manual valve releases
internal damage may occur to the solenoid.
VALVE RELEASE NUT
LARGE STYLE WITH
MANIFOLD
OPEN
VALVE
CLOSED
position.
CLOSE
WITH VALVE
RELEASE CAM
PLASTIC PLUG
BREATHER
CAP
SMALL STYLE
OPENED
VALVE
4. Repeat the process for the rear jacks by opening the two
Cap. See the back page of this manual for further info.
A 1/4" Nut Driver has been incorporated into the Breather
outer valves.

OPERATING PROCEDURES
ROOM EXTEND PROCEDURE
2. Follow applicable LEVELING AND STABILIZING
3. Unlock all room-locking devices to include travel
the room remove it before extending the room.
WARNING:
extend the room.
6. To extend the room, press and hold the
ROOM CONTROL SWITCH in the "EXTEND" position
until the room is fully extended.
halt the operation of the room.
7. Turn the room control panel KEY SWITCH to
8. Turn off the ignition switch.
KEEP PEOPLE AND OBSTRUCTIONS
CLEAR OF ROOM WHEN OPERATING.
4. Turn the ignition switch to ACCESSORY.
IMPORTANT: Do not use a room extension support
when the vehicle is supported by the leveling system.
NOTE: If a MANUAL RETRACT WINCH is attached to
NOTE: Make sure there is adequate clearance to fully
NOTE: Releasing the ROOM CONTROL SWITCH will
5. Turn the room control panel KEY SWITCH to
the "ON" position.
of the room, do not reverse direction of the room until
after the room is fully extended. This assures proper
Hold the switch to "EXTEND" three or four seconds
pressurization of the cylinders.
NOTE:
During normal operation
the room is fully extended. If necessary, the direction
of the room may be reversed, but watch for binding of
the room. If the direction of the room has been
reversed, DO NOT re-extend the room until the room
has been fully retracted.
1. The park brake must be set. The room will not
operate if the park brake is not set.
MP34.4300A
07APR14
the "OFF" position.
It is recommended to retract room extensions before
DISENGAGED BEFORE OPERATING THE ROOM.
RETRACTING DEVICES ARE DETACHED OR
ALL ROOM LOCKING, CLAMPING OR MANUAL
OPERATOR’S RESPONSIBILITY TO ENSURE THAT
PERSONAL INJURY AND VEHICLE DAMAGE. IT IS THE
DEVICES ATTACHED OR ENGAGED CAN CAUSE
ROOM LOCKING, CLAMPING OR MANUAL RETRACTING
Leveling Procedure before operating room extensions.
NOTE: It is recommended to complete any applicable
retracting a leveling system.
WARNING: OPERATING A ROOM WITH ANY
PROCEDURES.
clamps/locks supplied by manufacturers other than HWH.
room control switch immediately. DO NOT force the
room. DO NOT reverse direction of the room, contact
HWH Customer Service for assistance 1-800-321-3494.
room is fully extended (and down if applicable) or stops moving.
Do not hold the ROOM CONTROL SWITCH
If either side of the room stops moving, release the
in the "EXTEND" position for more than ten seconds after the
IMPORTANT: If the room extension is a level out room,
hold the room control switch to the extend position
until the room is fully extended and has dropped to the
completely lowered position.
IMPORTANT:

OPERATING PROCEDURES
NOTE: It is recommended to retract room extensions
before retracting a leveling system.
3. Turn the room control panel KEY SWITCH to
4. To retract the room press and hold the
ROOM CONTROL SWITCH in the "RETRACT" position
until the room is fully retracted.
halt the operation of the room.
5. Turn the room control panel KEY SWITCH to
6. Turn the ignition switch off.
IMPORTANT: Room-locking devices should be locked
while traveling.
WARNING:
CLEAR OF ROOM WHEN OPERATING.
KEEP PEOPLE AND OBSTRUCTIONS
7. If the room will not retract see the MANUAL ROOM
RETRACT PROCEDURE.
NOTE: Releasing the ROOM CONTROL SWITCH will
HWH Customer Service for assistance 1-800-321-3494.
room. DO NOT reverse direction of the room, contact
room control switch immediately. DO NOT force the
If either side of the room stops moving, release the
after the room is fully retracted or stops moving.
in the "RETRACT" position for more than ten seconds
Do not hold the ROOM CONTROL SWITCH
reversed, DO NOT retract the room until the room
the room. If the direction of the room has been
of the room may be reversed, but watch for binding of
the room is fully retracted. If necessary, the direction
of the room, do not reverse direction of the room until
During normal operation
Hold the switch to "RETRACT" three or four seconds
after the room is fully retracted. This assures proper
has been fully extended.
pressurization of the cylinders.
IMPORTANT:
NOTE:
MP34.4500A
07APR14
1. The park brake must be set. The room will not
operate if the park brake is not set.
the "ON" position. the "OFF" position.
2. Turn the ignition switch to ACCESSORY.
ROOM RETRACT PROCEDURE
the room must raise completely before it will retract.
If the room will not raise, do not force the room.
Important: if the room extension is a level-out room,
Refer to the MANUAL ROOM LIFT PROCEDURES
page.

OPERATING PROCEDURES
STEP EXTEND PROCEDURE
2. Unlock all locking devices.
or has been used, remove it before extending the
WARNING:
extend and unfold the step and handrail.
3. To extend the step, press and hold the STEP CONTROL
in the "EXTEND" position until the step is fully extended and
halt the operation of the step.
KEEP PEOPLE AND OBSTRUCTIONS
CLEAR OF STEP WHEN OPERATING. STEP AND
NOTE: If a MANUAL RETRACT DEVICE is attached
NOTE: Make sure there is adequate clearance to fully
NOTE: Releasing the STEP CONTROL will
NOTE:
1. The park brake must be set. The step should function
The park brake must be set before a step can
be extended or retracted.
is fully extended or stops moving.
"EXTEND" position for more than ten seconds after the step
seconds after the step is fully extended. This assures
Hold the control to "EXTEND" three or four
proper pressurization of the cylinders.
Do not hold the STEP CONTROL in theIMPORTANT:
NOTE:
stops moving, or the step and handrail seem to be binding,
release the step control immediately. DO NOT force the
MP34.4546
08APR14
DISENGAGED BEFORE OPERATING THE STEP.
RETRACTING DEVICES ARE DETACHED OR
THAT ALL STEP LOCKING, CLAMPING OR MANUAL
THE OPERATOR’S RESPONSIBILITY TO ENSURE
PERSONAL INJURY AND VEHICLE DAMAGE. IT IS
DEVICES ATTACHED OR ENGAGED CAN CAUSE
LOCKING, CLAMPING OR MANUAL RETRACTING
WARNING: OPERATING A STEP WITH ANY
It is recommended to complete the Leveling Procedure
before operating steps.
with the ignition on or off.
step.
If either side of the step
Service for assistance 1-800-321-3494.
HANDRAIL WILL UNFOLD AFTER STEP IS
FULLY EXTENDED.
unfolds the lower part of the assembly and handrails.
step. If direction of movement is reversed, be careful to
not damage the steps or handrail. Contact HWH Customer

OPERATING PROCEDURES
STEP RETRACT PROCEDURE
2. To retract the step press and hold the STEP CONTROL
in the "RETRACT" position until the step is fully retracted.
halt the operation of the step.
3. Engage any locking devices.
IMPORTANT: Step-locking devices should
be locked while traveling.
WARNING:
CLEAR OF STEP WHEN OPERATING. LOWER STEP
KEEP PEOPLE AND OBSTRUCTIONS
4. If the step will not retract see the MANUAL STEP
RETRACT PROCEDURE.
NOTE:
NOTE:NOTE: Releasing the STEP CONTROL will
The park brake must be set before a step can
be extended or retracted.
of movement is reversed, be careful to not damage the
immediately. DO NOT force the step. If the direction
handrail seems to be binding, release the step control
If either side of the step stops moving, or the step and
step is fully retracted or stops moving.
"RETRACT" position for more than ten seconds after the
Do not hold the STEP CONTROL in the
Hold the switch to "RETRACT" three or four
seconds after the step is fully retracted. This assures
proper pressurization of the cylinders.
IMPORTANT:
NOTE:
MP34.4547
10APR12
It is recommended to retract step
extensions before retracting jacks.
function with the ignition in the off or on position.
1. The park brake must be set. The step should
AND HANDRAIL WILL FOLD UP BEFORE THE STEP
STARTS TO RETRACT.
The lower step and handrail will fold up before the step
starts to retract.
step or handrail. Contact HWH Customer Service for
assistance 1-800-321-3494.

"UNIVERSAL PLATFORM LEVEL-OUT" ROOM EXTENSION MECHANISM
MANUAL ROOM LIFT PROCEDURES
ML52670/MP34.9559B
13MAY1
5
OPERATING PROCEDURES
"VALVE OPENED" position as shown.
retract solenoid valves by moving the cams to the
Manually open the valve release cams for the extend and
1. Determine which synchronizing cylinder controls the room.
the room, contact HWH Customer Service for assistance
understood or if the room begins to bind DO NOT force
IMPORTANT: If at any stage something is not
1-800-321-3494.
NOTE: Manual room lift procedures must be done before
manual room retraction procedures.
3. Leave the valves opened and refer to the next page
for room retract procedures.
If the pump manifold is equipped with an auxiliary hand pump
,
you may be able to retract the room by opening only the room
retract valve (as labeled by the wiring harness) and operating
the hand pump, refer to the AUXILIARY HAND PUMP
OPERATION page for instructions on the use of the hand
pump and valves equipped with a release cam. If the room
cannot be retracted with the hand pump, it will be necessar
y
to use the lift bolts and room retract screws.
INCORRECT MOVEMENT OF THE CAMS CAN DAMAGE
THE RELEASE CAMS IN THE CORRECT DIRECTION.
ANY DIRECTION ON THE VALVE. MAKE SURE TO MOVE
IMPORTANT: RELEASE CAM MIGHT BE ROTATED TO
THE VALVES.
NOTE: There may be more than one platform lift cylind
er
assembly There is a manual lift bolt for each assembly
.
All lift bolts must be used to lift the room.
2. Use a 13/16 wrench or socket to rotate the lift bolt(s) clockwise
until they are seated in the receiver block.
IMPACT WRENCH TO TURN LIFT BOLTS.
bolt(s) until the room is completely lifted. When there are
multiple lift bolts, alternate evenly between all lift bolts,
turning each bolt two or three complete turns each time.
Turning one lift bolt without alternating may cause
DO NOT USE AN
Continue to turn the
the room to bind.
ROOM EXTENDED
AND DOWN AND DOWN
ROOM EXTENDED
ROOM EXTENDED
AND UP
IN STORED
LIFT BOLT SHOWN ENGAGED WITH LIFT BOLT SHOWN
RECEIVER BLOCKPOSITION
FULLY LIFTED
WITH ROOM
LIFT BOLT SHOWN
RECEIVER
BLOCK
LIFT BOLT
BLOCK
LIFT BOLT
RECEIVER
DO NOT RETRACT LIFT BOLT UNTIL YOU HAVE READ
"EXTENDING ROOM AFTER SERVICE" ON NEXT PAGE
.
ROOM CONTROL MANIFOLD
TO
CLOSE
LOCATED ON SYNCHRONIZING CYLINDER
VALVE
CLOSED
OPENED
VALVE
OPEN
TO
CYLINDER
RETRACT
EXTEND
CYLINDER
RELEASE CAMS

"UNIVERSAL PLATFORM LEVEL-OUT" ROOM EXTENSION MECHANISM
MANUAL ROOM RETRACT PROCEDURES
ML52670\MP34.9561B
23SEP13
OPERATING PROCEDURES
PLATE
RECEIVER
ROOM EXTENDED
ROOM RETRACTED
PLATE
THREADED
manufacturer.
Using wrench provided,
a personal wrench or a tire iron with a 1-1/8" opening rotate
either mechanism’s threaded rod clockwise 6 complete turns.
the front and one for the rear mechanism should be provided.
1. Start both threaded rods until resistance is met, one for
NOTE: To access the threaded plates refer to vehicle
3. Move to the other room extension mechanism, rotate
the room, contact HWH Customer Service for assistance
understood or if the room begins to bind DO NOT force
IMPORTANT: If at any stage something is not
3 and 4 alternating from mechanism to mechanism rotating
each threaded rod 12 complete turns until room is sealed.
(DO NOT exceed 15 ft.lbs) Make sure the room does not bind.
4. Return to the first room extension mechanism and rotate
the threaded rod clockwise 12 complete turns. Repeat steps
the threaded rod clockwise 12 complete turns.
1-800-321-3494.
Do Not use an impact wrench.
THREADED ROD
PLATE
THREADED
THREADED ROD
NOTE: Manual room lift procedures must be done before
manual room retraction procedures.
2.
NOTE: Leave the solenoid valves open, the lift bolts
and threaded rods in place until the room has been
serviced.
EXTERIOR
WALL
COACH
END VIEW OF
ROOM EXTENDED
END VIEW OF
ROOM RETRACTED
WALL
COACH
EXTERIOR
EXTENDING ROOM AFTER SERVICE
1. Room lift bolts should not be retracted yet. Push and
hold the room switch to "RETRACT" for 5 to 10 seconds.
2. Push the room switch to "EXTEND" until the room is within
1 inch of being fully extended. Threaded rods should be
Do not allow room to bind.
3. Retract all lift bolts completely. If room starts to drop,
alternate between lift bolts evenly while turning lift bolts.
4. After lift bolts are retracted, push room switch to
"EXTEND" until room is fully extended and down. If
room dropped while retracting lift bolts, push room
switch to "EXTEND" for 5 to 10 seconds.
5. Retract room with room switch.
the room, contact HWH Customer Service for assistance
1-800-321-3494.
understood or if the room begins to bind DO NOT force
IMPORTANT: If at any stage something is not
IMPORTANT: DO NOT EXTEND THE ROOM UNTIL THE
ROOM HAS BEEN SERVICED. ANY SOLENOID VALVES
LEFT OPEN SHOULD BE CLOSED. THE THREADED
RODS SHOULD BE COMPLETELY REMOVED BEFORE
ROOM IS FULLY EXTENDED. If there is not enough
room to remove both threaded rods completely, alternate
backing the threaded rods out and slightly extending the
room. Be careful to not extend the room so far that the
threaded rods impact the coach wall or the mechanism.
completely removed at this time.

"UNIVERSAL STRAIGHT OUT" ROOM EXTENSION MECHANISM
MANUAL ROOM RETRACTION PROCEDURES - VALVES WITH RELEASE CAMS
MP34.9580A
14MAY14
OPERATING PROCEDURES
PLATE
RECEIVER
ROD
THREADED
ROOM EXTENDED
THREADED
BLOCK
ROOM RETRACTED
BLOCK
THREADED
THREADED
ROD
manufacturer.
the front and one for the rear mechanism should be provided.
2. Start both threaded rods until resistance is met, one for
NOTE: The valve release cam might be rotated in any
NOTE: To access the threaded blocks refer to vehicle
the open position.
retract solenoid valves by moving the valve release cam to
Manually open the valve release cams for the extend and
1. Determine which synchronizing cylinder controls the room. 4. Move to the other room extension mechanism, rotate
the room, contact HWH Customer Service for assistance
understood or if the room begins to bind DO NOT force
IMPORTANT: If at any stage something is not
6. Repeat steps 4 and 5 alternating from mechanism to
mechanism rotating each threaded rod 12 complete
turns until room is sealed. (DO NOT exceed 15
5. Return to the first room extension mechanism and rotate
the threaded rod clockwise 12 complete turns.
the threaded rod clockwise 12 complete turns.
ft.lbs) Make sure the room does not bind.
1-800-321-3494.
Do Not use an impact wrench.
either mechanism’s threaded rod clockwise 6 complete turns.
a personal wrench or a tire iron with a 1-1/8" opening rotate
3. Using wrench provided, threaded rods impact the coach wall or the mechanism.
Be careful to not extend the room so far that the
threaded rods out and slightly extending the room.
threaded rods completely, alternate backing the
NOTE: If there is not enough room to remove both
ROOM HAS BEEN SERVICED. ANY SOLENOID VALVES
RODS SHOULD BE COMPLETELY REMOVED.
LEFT OPEN SHOULD BE CLOSED AND THE THREADED
IMPORTANT: DO NOT EXTEND THE ROOM UNTIL THE
threaded rods in place until the room has been
NOTE: Leave the solenoid valves open and the
serviced.
direction on the valve. Pushing the release cam in the
wrong direction could damage the valve.
ROOM CONTROL MANIFOLD
LOCATED ON SYNCHRONIZING CYLINDER
RELEASE CAMS
TO
CLOSE
OPEN
TO VALVE
CLOSED
OPENED
VALVE
CYLINDER
EXTEND
RETRACT
CYLINDER

OPERATING PROCEDURES
MP34.9990
16APR12
MANUAL STEP RETRACT PROCEDURES - VALVES WITH CAM RELEASES
If the system is equipped with an auxiliary pump run switch or an auxiliary hand pump, refer to the "OPERATING PROCEDURES"
pages for the pump run switch or hand pump before using the manual step retract procedure. Use this procedure if a step
control switch does not work only if the main pump or hand pump will not retract the step.
WARNING: KEEP AWAY FROM PINCH POINTS OF
STEPS AND HANDRAIL WHILE FOLDING STEPS. PINCH
POINTS CAN CAUSE SERIOUS INJURY.
1. Locate the valves for the step being retracted. Contact
vehicle manufacturer for valve location.
2. Move the manual valve release cam for the cylinder
extend valve and cylinder retract valve to valve opened
position.
3. Lift the bottom step up and fold it back onto the main
step assembly. The handrail(s) should fold to the retract
position at the same time.
4. It may be possible to simply push the step back in. If not,
use the manual retract bolt on the front of the step. Use a
13/16 wrench or 1/4" allen wrench to slowly turn the bolt
clockwise until the step is retracted. DO NOT use an impact
5. Leave the solenoid valves open until the step has been
serviced and the retract bolt is returned to the operate
position.
VALVE RELEASE CAM
TO OPEN
VALVE
CLOSED
VALVE
OPENED
CLOSE
TO
IMPORTANT: THE MANUAL RETRACT BOLT MUST BE
TURNED COUNTERCLOCKWISE UNTIL IT IS BACK TO
THE OPERATE POSITION. TURN THE BOLT COUNTER-
CLOCKWISE UNTIL IT STOPS BUT DO NOT OVER
TIGHTEN IT. THE RETRACT BOLT MUST BE TURNED
BACK TO THE OPERATE POSITION BEFORE THE STEP
CAN BE EXTENDED.
CYL. EXTEND
CYL. RETRACT
SIDE VIEW WITH STEP EXTENDED
FOLD STEP
FROM HERE
RETRACT
MANUAL
BOLT
MAY HAVE 1, 2 OR NONE
HANDLE ASSEMBLIES
wrench.

MAINTENANCE
MP44.0018C
07APR14
OIL LEVEL
The oil level should be checked when the vehicle is first
purchased and then once every two years. More often if
there is an oil leak in the system.
NOTE: Overfilling the tank can cause leakage of oil
through the breather cap.
ELECTRICAL SYSTEM
The batteries should be in good condition and fully charged.
Weak batteries can cause erratic operation. Battery cable
terminals and battery posts and connections should be kept
All electrical connections, especially ground connections,
should be clean, tight, free from corrosion and protected
JACKS
There are very few user serviceable parts on the jacks
The jacks require very little maintenance. If the jacks are
VISUAL INSPECTION
Periodically inspect the system for oil leaks and
damaged or missing parts, such as pivot bolts or springs.
Check the hydraulic lines and wiring for damage and wear.
Check that the jacks do not interfere with any parts of the
vehicle when they are in the "STORE" position.
The system will operate better if kept clean and free
from caked on mud or ice.
OPERATIONAL CHECK
Check that all lights work according to the "INDICATOR
LIGHT" Section. Correct function of the red "WARNING"
Review the OPERATOR MANUAL. Run the system
according to the SYSTEM OPERATION Section.
Note any abnormal operation.
Review the "JACK RETRACTION" Section. Make sure the
jacks will fully retract to the "STORE" position. Jacks should
not interfere with any of the coach when in the "STORE"
All maintenance should be done as part of the normal
servicing of the coach.
clean. from weathering.
light is important.
position.
FLUID: HWH Specialty Hydraulic Oil is recommended. In an
brake fluid or hydraulic jack fluid. Use of these can damage
and can cause staining should a leak occur. DO NOT USE
Dexron automatic transmission fluid contains red dye
emergency Dexron automatic transmission fluid can be used.
seals.
NOTE:
extremely dirty with caked on mud they should be washed.
If extremely dirty, the jack rods should NOT be wiped. The
jack rods do not need to be oiled or sprayed with anything.
ROOM EXTENSIONS
The HWH room mechanisms need no maintenance.
DO NOT grease or lubricate any parts of the HWH
mechanism.
Any visible mechanism can be kept clean by washing
with water. Refer to the vehicle manufacturer for
correct maintenance of the room seals.
All jacks and any HWH step should be completely retracted
before checking the oil level. Rooms should be fully extended.
The oil reservoir is part of the pump / manifold assembly.
The oil level is checked and filled through the breather
cap. Clear any dirt away from the breather / filler cap
before removing. The oil level should be within one inch
of the top of the reservoir. Most breather caps have
See ML47149 for proper maintenance of all jacks.
a dipstick.

MAINTENANCE
NOT IN PARK/BRAKE CHECK
Apply the brake so the coach cannot roll. Turn the ignition
to the "ACC" or "ON" position. Release the parking brake.
THE COACH WHEELS SECURELY SO THE COACH
CANNOT ROLL FORWARD OR BACKWARD.
WARNING: WHEN MAKING THIS CHECK, BLOCK If any of the above checks or inspections reveal a problem
or if there are other problems or questions, consult a
qualified RV repair center, your vehicle or coach
manufacturer, or HWH CORPORATION
22NOV1
6
MP44.050
2
Push the "AUTO LEVEL" button. The "NOT IN PARK/
BRAKE" indicator light should come on while the "AUTO
LEVEL" button is pushed. Release the "AUTO LEVEL"
for service or repair.
button and set the park brake. The leveling system
should now function.
WINTER WEATHER DRIVING
have dried. This can facilitate corrosion of metallic
continue to absorb moisture from the air even after they
Anti-icing / deicing agents when splashed on your vehicle,
components, such as HWH jacks.
To help reduce the corrosion of jacks after exposure to anti
-
icing / deicing agents, thoroughly wash jacks with warm
soapy water.

SENSING UNIT MAINTENANCE/SERVICE
SENSING UNIT ADJUSTMENT / WITH ADJUSTING ENHANCEMENT
NOTE: If opposing LED’s are lit, there is a problem with
the Sensing Unit.
If LED (A) is lit: Tighten adjustment screw number 1
until the LED is off.
If LED (C) is lit: Loosen adjustment screw number 1
until the LED is off.
If LED (B) is lit: Loosen adjustment screw number 3
until the LED is off.
until the LED is off.
If LED (D) is lit: Tighten adjustment screw number 3
09NOV10
MP44.1511
With the vehicle level according to the bubble level, if there
are no yellow lights lit on the Touch Panel, the sensing unit is
properly adjusted. If there are yellow LEVEL lights lit on the
Touch Panel, manual adjustments to the Sensing Unit are
needed.
SENSING UNIT ACCURACY TOLERANCE
The sensing unit has an accuracy tolerance of ± 5.4 inches front to rear and
INSTRUCTION SHEET
± 1 inch side to side on a 36 foot vehicle. Typical leveling results will be better.
IMPORTANT: THE SENSING UNIT MOUNTING SPRINGS
SHOULD BE COMPRESSED ABOUT 1/2 THEIR FREE
LENGTH. SCREW NUMBER 2 SHOULD NOT BE TURNED
MOUNTED BELOW
FRONT
MOUNTING SURFACE
(3) MOUNTING
(3) MOUNTING
SCREWS
SPRINGS
THIS
SIDE
UP
LED A - FRONT OF VEHICLE
LED B - LEFT SIDE OF VEHICLE
LED C - REAR OF VEHICLE
LED D - RIGHT SIDE OF VEHICLE
REMOTE MOUNTED "POTTED" ELECTRONIC SENSING UNIT
WHILE ADJUSTING THE SENSING UNIT. AFTER
ADJUSTING THE SENSING UNIT, BUMP THE SENSING
UNIT TO SEE THAT IT IS SETTLED TIGHT AGAINST ALL
THREE SCREW HEADS AND STILL INDICATES THAT
THE UNIT IS LEVEL.
Level the vehicle by placing a bubble level in the center of the
freezer floor or upon whichever surface within the vehicle that
is to be level. It is best if the level is placed close to the
mounting area of the sensing unit. Using the Leveling System
and the bubble level, ignoring the yellow LEVEL lights on the
Touch Panel, level the vehicle until the bubble is centered.
The ignition (motorized units) or master power switch (towable
units) must be on. Remove the "Adjusting Enhancement Cap".
DO NOT LOSE THIS CAP. There is a small pin beneath the
cap. Use a jumper wire with an alligator clip to apply a ground
to the pin. This will make the sensing unit very sensitive. The
yellow lights may "jump" around while adjusting the sensing unit.
Let the lights settle down after each adjustment. Small, gentle
turns will work best. Turn mounting screws 1 and 3 to adjust
the sensing unit. Turn screws as instructed to turn out all the
yellow LEDs. When all the LEDs are out, remove the jumper
wire and replace the adjusting enhancement cap. DO NOT
over tighten.
SENSING UNIT
BOTTOM VIEW OF
LED
3
D
C
LED
LED
ABYELLOW LEDs
2
MOUNTING/ADJUSTMENT
SCREWS (3)
1
LED
Move the vehicle to an unlevel position and level the
vehicle according to the yellow level sensing lights on
the touch panel. Readjust if necessary.
ADJUSTING
ENHANCEMENT
CAP