Genie TZ-34/20 User manual

GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
Copyright © 2003 by Terex
Fourth Edition: Third Printing, December 2012
"Genie" is a registered trademark of Terex
South Dakota in the USA and many other
countries.
These machines comply with
ANSI A92.2
Complies with EC Directive 2006/42/EC
See EC Declaration of Conformity
Printed on recycled paper
Printed in U.S.A.
Important
Read,understandandobeythesesafetyrulesand
operating instructions before operating this machine.
Only trained and authorized personnel shall be
permitted to operate this machine. This manual should
be considered a permanent part of your machine and
should remain with the machine at all times. If you
have any questions, call Genie.
Contents
Page
Safety ........................................................................ 1
Controls ..................................................................... 8
Pre-operationInspection ........................................... 10
Maintenance ............................................................. 12
Function Tests.......................................................... 15
WorkplaceInspection................................................ 20
OperatingInstructions............................................... 21
Transportand LiftingInstructions .............................. 26
Decals ...................................................................... 28
Specifications ........................................................... 32
ReportingSafetyDefects .......................................... 34
Contact us:
Internet:http://www.genielift.com
e-mail:[email protected]

Part No.133554 GenieTZ-34/20 1
Operator's Manual
Fourth Edition • Third Printing
Safety Rules
Danger
Failure to obey the instructions and
safety rules in this manual will result
in death or serious injury.
Do Not Operate Unless:
You learn and practice the principles of safe
machine operation contained in this operator's
manual.
1 Avoid hazardous situations.
Know and understand the safety rules
before going on to the next section.
2 Always perform a pre-operation inspection.
3 Always perform function tests prior to use.
4 Inspect the workplace.
5 Only use the machine as it was intended.
You read, understand and obey the
manufacturer's instructions and safety rules—
safety and operator's manuals and machine
decals.
You read, understand and obey employer's
safety rules and worksite regulations.
You read, understand and obey all applicable
governmentalregulations.
You are properly trained to safely operate the
machine.

2 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
SAFETY RULES
Electrocution Hazards
This machine is not electrically insulated and will
not provide protection from contact with or
proximity to electrical current.
Maintain safe distances from electrical power lines
and apparatus in accordance with applicable
governmental regulations and the following chart.
Voltage Minimum Safe
Phase to Phase Approach Distance
Feet Meters
0 to 300V Avoid Contact
300V to 50KV 10 3.05
50KV to 200KV 15 4.60
200KV to 350KV 20 6.10
350KV to 500KV 25 7.62
500KV to 750KV 35 10.67
750KV to 1000KV 45 13.72
Allow for platform movement, electrical line sway
or sag and beware of strong or gusty winds.
Keep away from the machine if it contacts
energized power lines. Personnel on the ground or
in the platform must not touch or operate the
machine until energized power lines are shut off.
Do not operate the machine during lightning or
storms.
Do not use the machine as a ground for welding.
Do not operate an AC powered machine or a DC
battery charger unless using a 3-wire grounded
extension cord connected to a grounded AC
circuit. Do not alter or disable 3-wire grounded
plugs.
Tip-over Hazards
Occupants, equipment and materials shall not
exceed the maximum platform capacity.
Maximum capacity - without optional platform rotate
ANSI/CSA models - 2 occupants 500 lbs 227 kg
CE models - 2 occupants 440 lbs 200 kg
Maximum capacity - with optional platform rotate
ANSI/CSA models - 2 occupants 460 lbs 209 kg
CE models - 1 occupant 400 lbs 181 kg
Do not raise the boom unless the machine is level.
Do not set the machine up on a surface where it
cannot be leveled using only the outriggers.
Do not raise the boom unless all four outriggers
are lowered, the footpads are in firm contact with
the ground and the machine is level.
Do not set the machine up unless it is on a firm
surface. Avoid drop-offs, holes, unstable or
slippery surfaces and other possible hazardous
conditions.

Part No.133554 GenieTZ-34/20 3
Operator's Manual
Fourth Edition • Third Printing
Do not move the machine when the boom is
raised.
Do not adjust or stow the outriggers when the
boom is raised.
Do not depend on the tilt alarm as a level indicator.
The tilt alarm sounds only when the machine is on
a severe slope.
When the tilt alarm sounds, immediately lower the
boom and adjust the outriggers to level the
machine.
Do not alter or disable the limit switches.
Do not operate the
machine in strong or
gusty winds. Do not
increase the surface
area of the platform or
the load. Increasing
the area exposed to
the wind will decrease
machine stability.
Do not alter or disable machine components that in
any way affect safety and stability.
Do not replace items critical to machine stability
with items of different weight or specification.
Do not modify or alter an aerial work platform
without prior written permission from the
manufacturer. Mounting attachments for holding
tools or other materials onto the platform,
toeboards or guard rail system can increase the
weight in the platform and the surface area of the
platform or the load.
Do not transport tools and materials unless they
are evenly distributed and can be safely handled
by person(s) in the platform.
SAFETY RULES
Do not place ladders or scaffolds in the platform or
against any part of this machine.
Do not use the machine on a moving or mobile
surface or vehicle.
Be sure all tires are properly inflated and in good
condition and lug nuts are properly tightened.
Do not use the platform as
a crane.
Do not place loads outside
the platform perimeter.
Do not place or attach
overhanging loads to any
part of the platform.
Maximum allowable manual force, CE400 N
Do not push off or pull toward any object outside of
the platform.
Do not push the machine or other objects with the
boom.
Do not use the platform controls to free a platform
that is caught, snagged or otherwise prevented
from normal motion by an adjacent structure. All
personnel must be removed from the platform
before attempting to free the platform using the
ground controls.
DC models: Do not use batteries that weigh less
than the original equipment. Four batteries are
used as counterweight and are critical to machine
stability. Each battery must weigh 65 pounds /
29.5 kg.
Do not contact adjacent structures with the boom.
Do not tie the boom or platform to adjacent
structures.

4 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
Do not lower the boom unless the area below is
clear of personnel and obstructions.
Be aware of boom position when rotating the
turntable.
Operators must comply with employer, job site and
governmental rules regarding use of personal
protectiveequipment.
Do not operate a boom in the path of any crane
unless the controls of the crane have been locked
out and/or precautions have been taken to prevent
any potential collision.
No stunt driving or horseplay while operating the
machine.
Explosion and Fire Hazards
Do not operate the machine in hazardous locations
or locations where potentially flammable or
explosive gases or particles may be present.
Component Damage Hazards
Do not use the machine as a ground for welding.
Do not fully lower the booms unless the booms are
aligned with the tongue. The primary boom must
be lowered into the chassis cradle.
SAFETY RULES
Fall Hazards
Occupants must wear a
safety belt or harness
and comply with
applicablegovernmental
regulations. Attach the
lanyard to the anchor
provided in the platform.
Do not sit, stand or climb on the platform guard
rails. Maintain a firm footing on the platform floor
at all times.
Do not climb down from the platform when raised.
Keep the platform floor clear of debris.
Lower the platform entry mid-rail or close the entry
gate before operating.
Collision Hazards
The machine must be on a level surface or
secured before releasing the parking brake.
Do not attempt to manually move a machine
unless it is on a firm, level surface. Use the parking
brake to control the speed of the machine while
pushing it.
Check the work area for overhead obstructions or
other possible hazards.
Be aware of crushing hazards when grasping the
platform guard rail.

Part No.133554 GenieTZ-34/20 5
Operator's Manual
Fourth Edition • Third Printing
SAFETY RULES
Damaged Machine Hazards
Do not use a damaged or malfunctioning machine.
Conduct a thorough pre-operation inspection of the
machine and test all functions before each work
shift. Immediately tag and remove from service a
damaged or malfunctioning machine.
Be sure all maintenance has been performed as
specified in this manual and the appropriate
service manual.
Be sure all decals are in place and legible.
Be sure the operator’s, safety and responsibilities
manuals are complete, legible and in the storage
container located on the platform.
Bodily Injury Hazard
Do not operate the machine with a hydraulic oil or
air leak. An air leak or hydraulic leak can penetrate
and/or burn skin.
Improper contact with components under any
cover will cause serious injury. Only trained
maintenance personnel should access
compartments. Access by the operator is only
advised when performing a pre-operation
inspection. All compartments must remain closed
and secured during operation.
Towing Hazards
Read, understand and obey all of your tow vehicle
manufacturer’s recommendations, warnings and
instructions before towing this machine.
Make sure your tow vehicle is properly maintained
and capable of towing this machine.
Be sure the hitch is properly and securely attached
to your tow vehicle.
Do not overload your tow vehicle. Observe the
manufacturer’s Gross Vehicle Weight Rating
(GVWR).
Be sure all lights, mirrors and hitch components
conform to federal and local regulations.
Be sure that all driving lights are operational.
Be sure the tires are properly inflated.
Do not tow the machine unless the boom is
lowered into both cradles and the hold-down
latches are securely locked in place. There is a
mast cradle on the chassis and a mid-pivot cradle
on the tongue of the machine.
Do not load cargo on the machine. The TZ is not
designed to carry any extra cargo.
Be sure the safety chains (if required) are securely
attached to the tow vehicle. Cross the chains
under the hitch. This will create a cradle to catch
the tongue of the trailer if it becomes disconnected
from the tow vehicle.
Do not tow the machine on public roads unless it
meets all governmental regulations for towing.
Do not exceed 60 mph / 97 km/h. Obey all local
and national towing speed laws.
Be sure to chock the wheels of the trailer when
parking on a hill.

6 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
Battery Safety - DC Models
Burn Hazards
Batteries contain acid. Always wear protective
clothing and eyewear when working with batteries.
Avoid spilling or contacting battery acid. Neutralize
battery acid spills with baking soda and water.
Explosion Hazards
Keep sparks, flames
and lighted tobacco
away from batteries.
Batteries emit an
explosive gas.
The covers should be
open during the entire
charging cycle.
Do not contact the battery terminals or the cable
clamps with tools that may cause sparks.
Component Damage Hazards
Do not use any battery charger greater than 24V to
charge the batteries.
Do not expose the batteries or the charger to water
or rain.
Electrocution Hazards
Connect the battery charger to a grounded,
AC 3-wire electrical outlet only.
Inspect daily for damaged cord,
cables and wires. Replace
damaged items before
operating.
Avoid electrical shock from
contact with battery terminals.
Remove all rings, watches and
other jewelry.
Tip-over Hazard
Do not use batteries that weigh less than the
original equipment. Four batteries are used as
counterweight and are critical to machine stability.
Each battery must weigh 65 pounds / 29.5 kg.
Lifting Hazard
Use the appropriate number of people and proper
lifting techniques when lifting batteries.
SAFETY RULES

Part No.133554 GenieTZ-34/20 7
Operator's Manual
Fourth Edition • Third Printing
SAFETY RULES
Decal Legend
Genie product decals use symbols, color coding
and signal words to identify the following:
Safety alert symbol—used to alert
personnel to potential personal
injury hazards. Obey all safety
messages that follow this symbol
to avoid possible injury or death.
Red—used to indicate the
presence of an imminently
hazardous situation which, if not
avoided, will result in death or
serious injury.
Orange—used to indicate the
presence of a potentially
hazardous situation which, if not
avoided, could result in death or
serious injury.
Yellow with safety alert symbol—
used to indicate the presence of a
potentially hazardous situation
which, if not avoided, may cause
minor or moderate injury.
Yellow without safety alert
symbol—used to indicate the
presence of a potentially
hazardous situation which, if not
avoided, may result in property
damage.
Green—used to indicate operation
or maintenance information.

8 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
Controls
Platform Control Panel
1 Function enable button for:
Platform down
Primary boom down
Primary boom retract
Secondary boom down
Turntable rotate right
2 Function enable button for:
Platform up
Primary boom up
Primary boom extend
Secondary boom up
Turntable rotate left
3 Red Emergency Stop button
4 Boom function speed controller
5 Primary boom extend/retract button
6 Platform overload indicator light (if equipped)
7 Primary boom up/down button
8 Platform level button
9 Secondary boom up/down button
10 Turntable rotate button
STOP
8
3
2
1
5
6
7
4
9
10

Part No.133554 GenieTZ-34/20 9
Operator's Manual
Fourth Edition • Third Printing
Ground Control Panel
1 Outrigger raise/lower button
(individualoutrigger)
2 Outrigger auto level button
3 Function enable button for:
Platform down
Primary boom down
Primary boom retract
Secondary boom down
Turntable rotate right
Outrigger lower
CONTROLS
4 Function enable button for:
Platform up
Primary boom up
Primary boom extend
Secondary boom up
Turntable rotate left
Outrigger raise
5 15 amp breaker for controls
circuits
6 Red Emergency Stop button
7 Key switch for ground/off/
platform selection
8 Platform overload indicator
light (if equipped)
9 Platform level button
10 Primary boom extend/
retract button
11 Primary boom up/down
button
12 Secondary boom up/down
button
13 Turntable rotate button
4
3
2
1
1
1
567
8
9
10
11
12
13
STOP

10 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
Pre-operation Inspection
Do Not Operate Unless:
You learn and practice the principles of safe
machine operation contained in this operator's
manual.
1 Avoid hazardous situations.
2 Always perform a pre-operation
inspection.
Know and understand the pre-operation
inspection before going on to the next
section.
3 Always perform function tests prior to use.
4 Inspect the workplace.
5 Only use the machine as it was intended.
Fundamentals
It is the responsibility of the operator to perform a
pre-operation inspection and routine maintenance.
The pre-operation inspection is a visual inspection
performed by the operator prior to each work shift.
The inspection is designed to discover if anything
is apparently wrong with a machine before the
operator performs the function tests.
The pre-operation inspection also serves to
determine if routine maintenance procedures are
required. Only routine maintenance items specified
in this manual may be performed by the operator.
Refer to the list on the next page and check each
of the items.
If damage or any unauthorized variation from
factory delivered condition is discovered, the
machine must be tagged and removed from
service.
Repairs to the machine may only be made by a
qualified service technician, according to the
manufacturer's specifications. After repairs are
completed, the operator must perform a
pre-operation inspection again before going on to
the function tests.
Scheduled maintenance inspections shall be
performed by qualified service technicians,
according to the manufacturer's specifications and
the requirements listed in the responsibilities
manual.

Part No.133554 GenieTZ-34/20 11
Operator's Manual
Fourth Edition • Third Printing
Pre-operation Inspection
RBe sure that the operator's, safety and
responsibilities manuals are complete, legible
and in the storage container located on the
platform.
RBe sure that all decals are legible and in place.
See Decals section.
RCheck for hydraulic oil leaks and proper oil
level. Add oil if needed. See Maintenance
section.
RDC models: Check for battery fluid leaks and
proper fluid level. Add distilled water if needed.
See Maintenance section.
RCheck for proper tire pressure and lug nut
torque. Add air to tires if needed. See
Maintenancesection.
Check the following components or areas for
damage, improperly installed or missing parts and
unauthorizedmodifications:
RElectrical components, wiring and electrical
cables
RHydraulic power unit, reservoir, hoses,
fittings, cylinders and manifolds
RBoom components and wear pads
RTires and wheels
RTrailer lights and reflectors
RParking brake components
ROutriggers and foot pads
RLimit switch and alarms
RNuts, bolts and other fasteners
RPlatform entry mid-rail/gate
RSurge brake components
RSafety chains (if required)
RLight and brake cables
PRE-OPERATION INSPECTION
RMechanical brake components (if equipped)
RAxle components
RBeacon and alarms (if equipped)
Check entire machine for:
RCracks in welds or structural components
RDents or damage to machine
RBe sure that all structural and other critical
components are present and all associated
fasteners and pins are in place and properly
tightened.
RBe sure that the batteries are in place and
properly connected.
RModels equipped with hydraulic surge brake
systems:
Check the hydraulic oil level in the surge brake.
Check for leaks.
RAfter you complete your inspection, be sure that
all compartment covers are in place and
latched.

12 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
Maintenance
Observe and Obey:
Only routine maintenance items specified in this
manual shall be performed by the operator.
Scheduled maintenance inspections shall be
completed by qualified service technicians,
according to the manufacturer's specifications
and the requirements specified in the
responsibilitiesmanual.
Maintenance Symbols Legend
The following symbols have been
used in this manual to help
communicate the intent of the
instructions. When one or more of
the symbols appear at the
beginning of a maintenance
procedure, it conveys the meaning
below.
Indicates that tools will be required to
perform this procedure.
Indicates that new parts will be required
to perform this procedure.
Check the Batteries - DC Models
Proper battery condition is essential to good
machine performance and operational safety.
Improper fluid levels or damaged cables and
connections can result in component damage and
hazardous conditions.
This procedure does not need to
be performed on machines with
sealed or maintenance-free
batteries
Electrocution hazard. Contact with
hot or live circuits could result in
death or serious injury. Remove all
rings, watches and other jewelry.
Bodily injury hazard. Batteries
contain acid. Avoid spilling or
contacting battery acid. Neutralize
battery acid spills with baking soda
and water.
1 Put on protective clothing and eye wear.
2 Be sure that the battery cable connections are
tight and free of corrosion.
3 Be sure that the battery hold-down brackets are
secure.
4 Remove the battery vent caps.
5 Check the battery acid level. If needed,
replenish with distilled water to the bottom of
the battery fill tube. Do not overfill.
6 Install the vent caps.

Part No.133554 GenieTZ-34/20 13
Operator's Manual
Fourth Edition • Third Printing
MAINTENANCE
Check the Tires and Wheels
Bodily injury hazard. An over-
inflated tire can explode and may
cause death or serious injury.
Collision hazard. An excessively
worn tire can cause poor handling
and continued use could result in
tire failure.
Tip-over hazard. Do not use
temporary flat tire repair products.
Maintaining the tires and wheels in good condition
is essential to safe operation and good
performance. Tire and/or wheel failure could result
in a machine tip-over. Component damage may
also result if problems are not discovered and
repaired in a timely fashion.
1 Check the tire surface and sidewalls for cuts,
cracks, punctures and uneven or excessive
tread wear.
Result: Replace the tire if uneven or excessive
tread wear is found.
Tires and wheels must be
replaced with tires and wheels of
the specifications listed.
2 Check each wheel for damage, bends and
cracks.
Result: Replace the wheel if any damage is
found.
3 Check each tire with an air pressure gauge and
add air as needed.
4 Check the torque of each lug nut.
Tires and wheels - ANSI & CSA
Tire size ST205/75 R14
Load Range C
Lug nut torque (dry) 100 ft-lbs 135 Nm
Tire pressure (cold) 50 psi 3.4 bar
Tires and wheels - CE
Tire size 185 R14C
102/100N
Lug nut torque (dry) 66 ft-lbs 90 Nm
Tire pressure (cold) 65 psi 4.5 bar

14 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
MAINTENANCE
Check the Hydraulic Oil Level
Maintaining the hydraulic oil at the proper level is
essential to machine operation. Improper hydraulic
oil levels can damage hydraulic components. Daily
checks allow the inspector to identify changes in oil
level that might indicate the presence of hydraulic
system problems.
1 Be sure the boom is in the stowed position and
the outriggers are raised.
2 Check the sight gauge on the side of the
hydraulicreservoir.
Result: The hydraulic oil level should be visible
in the middle of the sight gauge.
Hydraulic oil specifications
Hydraulic oil type Chevron Rykon
Premium MV equivalent
Scheduled Maintenance
Maintenanceperformedquarterly,annually,semi-
annually and every two years must be completed
by a person trained and qualified to perform
maintenance on this machine according to the
procedures found in the service manual for this
machine.
Machines that have been out of service for more
than three months must receive the quarterly
inspection before they are put back into service.

Part No.133554 GenieTZ-34/20 15
Operator's Manual
Fourth Edition • Third Printing
FunctionTests
Do Not Operate Unless:
You learn and practice the principles of safe
machine operation contained in this operator's
manual.
1 Avoid hazardous situations.
2 Always perform a pre-operation
inspection.
3 Always perform function tests prior to
use.
Know and understand the function tests
before going on to the next section.
4 Inspect the workplace.
5 Only use the machine as it was intended.
Fundamentals
The function tests are designed to discover any
malfunctions before the machine is put into
service. The operator must follow the step-by-step
instructions to test all machine functions.
A malfunctioning machine must never be used. If
malfunctions are discovered, the machine must be
tagged and removed from service. Repairs to the
machine may only be made by a qualified service
technician, according to the manufacturer's
specifications.
After repairs are completed, the operator must
perform a pre-operation inspection and function
tests again before putting the machine into service.

16 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
At the Ground Controls
10 Insert the key and turn to ground control.
11 Pull out the red Emergency Stop button to the
on position.
12 Auto level: Push and hold the
yellow function enable button.
Push and hold the auto level
button. The outriggers will
lower and adjust to level the
machine and raise the
wheels off the ground. Level
the machine using only the
outriggers. Use the bubble
level to make sure the
machine is level.
Manual level: Push and hold the yellow
function enable button. Push and hold each
outrigger button to lower the outriggers. Adjust
the outriggers to level the machine and raise
the wheels off the ground. Level the machine
using only the outriggers. Use the bubble level
to make sure the machine is level.
13 Be sure the wheels on the tongue jack are not
touching the ground.
Note: If the wheels on the tongue jack are touching
the ground, crank the tongue jack up until the
wheels are no longer on the ground.
Setup
1 Position the machine below the desired work
area.
2 Set the parking brake.
3 Disconnect the trailer lights, safety chains and
brake cables from the vehicle.
4 Open the latch on the ball coupler.
5 Pull the jack release handle and rotate the
tongue jack to the lifting position.
6 Raise the tongue by turning the jack handle.
7 Be sure the boom hold-down latches are
unlatched.
8 Connect to the appropriate power source:
DC models: Connect the battery packs.
AC models: Connect to a grounded 15A AC
power supply.
9 AC models: Check the power panel at the end
of the chassis behind the platform.
Result: The CV light
should be on. The CC
and SHORT lights should
be off.
FUNCTION TESTS
CV CC SHORT

Part No.133554 GenieTZ-34/20 17
Operator's Manual
Fourth Edition • Third Printing
FUNCTION TESTS
Test the Tilt Sensor
14 Raise the boom 2 feet / 60
cm.
15 Turn the key switch to
platform control.
16 Locate the tilt sensor next
to the forklift pocket on the
side of the machine
opposite the ground controls.
17 Press down one side of the tilt sensor.
Result: The alarm should sound.
Test Emergency Stop
18 Push in the red Emergency Stop button to the
off position.
Result: All ground and platform control functions
should not operate.
19 Pull out the red Emergency Stop button to
the on position.
Test Boom Functions and Function Enable
20 Do not push a function enable button. Attempt
to activate each boom function button.
Result: All boom functions should not operate.
21 Push and hold the blue function enable button.
Activate each boom function button.
Result: Primary boom up, primary boom extend,
secondary boom up, platform level up and
turntable rotate right should all function.
22 Push and hold the yellow function enable
button. Activate each boom function button.
Result: Primary boom down, primary boom
retract, secondary boom down, platform level
down and turntable rotate left should all
function.
Test Outrigger Interlock
23 Lower the boom into the stowed position.
24 Push and hold the blue function enable button.
Push and hold one outrigger button and raise
the outrigger off the ground.
25 Push and hold the blue function enable button
and activate each boom function.
Result: All boom functions should not operate.
26 Use the leveling buttons to lower the outrigger.
27 Repeat this procedure for each outrigger.
28 Use the function enable buttons and the auto
level button or the outrigger leveling buttons to
make sure the machine is level.
29 Raise the platform approximately 2 feet / 60 cm.
30 Push and hold the blue function enable button
and attempt to raise each outrigger off the
ground.
Result: The outriggers should not raise.

18 GenieTZ-34/20 Part No.133554
Operator's Manual Fourth Edition • Third Printing
FUNCTION TESTS
Test Manual Operation of Functions
31 Raise the primary boom approximately 2 feet /
60 cm.
32 Open the manifold cover on the ground controls
side of the machine.
33 Locate the primary
boom up/down valve.
34 Push the thumbscrew in
and turn to release.
Result: The thumbscrew
should move easily.
35 Pull the thumbscrew all
the way out and turn.
Result: The thumbscrew
should move easily and
stay in position.
36 Turn the thumbscrew
and release.
37 Push the thumbscrew all the way in and turn.
Result: The thumbscrew should move easily
and stay in position.
38 Operate the hand pump on top of the power unit
cover.
Result: The primary boom should lower.
39 Turn the thumbscrew and release.
40 To reset the valve, push the thumbscrew
halfway in and turn.
Result: The thumbscrew should move easily
and stay in position.
41 Test the remaining valves.
Result: Each valve thumbscrew should move
easily and stay in position.
Note: Make sure to properly reset each valve. The
machine will not operate unless the valves are
reset.
Turntable rotate
Secondary boom
up/down
Primary boom
up/down
Primary boom
extend/retract
Normal operating
position (halfway in)
Thumbscrew
all the way in
Thumbscrew
all the way out