HWH 510 Series User manual

ML7860/MI15.21
12AUG97
MANUFACTURER
VEHICLE ID#
TYPE DATE
INSPECTOR
CAUTION: DO NOT OPERATE THIS SYSTEM UNLESS FULLY INSTRUCTED ON SYSTEM SAFETY PROCEDURES.
OK REWORK
FINAL CHECK OUT
1. MOUNTING BRACKET HEIGHT:
A. MAKE SURE JACKS ARE FULLY RETRACTED.
B. PULL JACK BY HAND TO THE VERTICAL POSITION AND
CHECK DIMENSION A. (SEE FIGURE 1) DIMENSION "A"
SHOULD BE 3 TO 5 INCHES FOR DRY NEW VEHICLES
AND 2 TO 4 INCHES FOR WET VEHICLES WITH OVER
10,000 MILES.
2. STORED POSITION STOP:
SPACE MUST BE ALLOWED FOR THE JACK TO FULLY
EXTEND IN THE STORED (HORIZONTAL) POSITION (SEE
FIGURE 2) ALSO BE SURE TIRES, SPRINGS, STEERING
LINKAGE, ECT., DO NOT INTERFERE IF THE JACK IS
FULLY EXTENDED IN THE STORE/TRAVEL POSITION.
3. HOSE AND ELECTRICAL WIRING:
CHECK HOSES AND WIRING FOR KINKING OR RUBBING
ON SHARP OBJECTS WHEN JACKS ARE OPERATED. ALSO
CHECK THE ROUTING OF HOSES AND WIRING TO INSURE
THEY WILL NOT BE EXPOSED TO TEMPERATURES
[COMMENTS]
[COMMENTS]
[COMMENTS]
FIGURE 1
FIGURE 2
9.0
A
4. POWER CONNECTION:
TURN IGNITION SWITCH TO "OFF". PRESS THE "I" BUTTON.
(HYDRAULIC START) NO LIGHTS ON THE PANEL SHOULD
BE LIT.
[COMMENTS]
GREATER THAN 200 DEG. F.
CEEDING. OIL SHOULD BE WITHIN ONE INCH OF THE
TOP OF THE RESERVOIR. JACKS MUST BE FULLY RE-
TRACTED TO CHECK THE HYDRAULIC OIL LEVEL.
HWH 510 SERIES, COMPUTER-CONTROLLED
LEVELING SYSTEM: TOUCH PANEL CONTROLS
NOTE: CHECK OIL LEVEL IN RESERVOIR BEFORE PRO-

MI1522
12-06-94
OK REWORK
5. HYDRAULIC START "I" BUTTON:
PLACE TRANSMISSION IN THE RECOMMENDED POSITION FOR PARKING THE VEHICLE,
AND SET THE PARKING BRAKE. TURN THE IGNITION SWITCH TO "ACC" OR "ON".
PRESS THE "I" BUTTON ONE TIME. THE "HYDRAULIC OPERATION" INDICATOR LIGHT
SHOULD COME ON AND GROW STEADY.
[COMMENTS]
6. "NOT IN PARK/BRAKE" CHECK:
WITH THE "HYDRAULIC OPERATION" INDICATOR LIGHT ON, RELEASE THE PARKING
BRAKE AND CONFIRM THAT THE "NOT IN PARK/BRAKE" INDICATOR LIGHT COMES ON.
RESET THE PARKING BRAKE. THE "NOT IN PARK/BRAKE" LIGHT SHOULD GO OUT.
[COMMENTS]
8. JACK OPERATION:
USE "RAISE" AND "LOWER" BUTTONS ON THE RIGHT SIDE OF THE PANEL TO CHECK
JACK OPERATION. THE JACKS OPERATE IN PAIRS, FRONT JACKS, REAR JACKS,
RIGHT SIDE JACKS OR LEFT SIDE JACKS. PUSH "RAISE RIGHT SIDE" MANUAL BUTTON.
CONTINUE TO PUSH THE BUTTON UNTIL THE TWO RIGHT SIDE JACKS EXTEND AND
RAISE THE COACH APPROXIMATELY THREE INCHES. ONLY THE TWO RIGHT SIDE
JACKS SHOULD EXTEND, NOTHING ELSE SHOULD HAPPEN. PUSH THE "LOWER RIGHT
SIDE" MANUAL BUTTON. THIS SHOULD RETRACT THE TWO RIGHT SIDE JACKS. PUSH
THIS BUTTON UNTIL BOTH JACKS ARE RETRACTED (5 OR 10 SECONDS). THE JACKS
SHOULD STILL BE VERTICAL. NOW REPEAT THE TEST WITH THE OTHER THREE
SETS OF "RAISE" AND "LOWER" BUTTONS. REMEMBER THE JACKS OPERATE IN PAIRS.
CHECK THAT ONLY THE CORRESPONDING JACKS EXTEND OR RETRACT WHEN
BUTTON IS PUSHED.
[COMMENTS]
UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES
Indicator light
"EXCESS SLOPE"
Manual button
RAISE LEFT SIDE
JACK STORAGE
Indicator light
Indicator light
"OFF"
Button
"TRAVEL"
"STORE"
Button
"NOT IN PARK/BRAKE"
"ON/AUTO"
HYDRAULIC OPERATION
Indicator light
Indicator light
Button
Manual button LEVEL SENSING
Indicator light
(4) yellow
Manual button
RAISE REAR
Manual button LOWER REAR
Manual button
LOWER RIGHT SIDE
RAISE RIGHT SIDE
Manual button
SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
LOWER LEFT SIDE
CAUTION!
OFF TRAVEL
STORE PARK/
BRAKE
NOT IN
RAISE FRONT
Manual button
LOWER FRONT
Manual button
JACK DOWN
Indicator light
LOW BATTERY
Indicator light
HWH COMPUTERIZED LEVELING
ON
AUTO
EXCESS
SLOPE (4) red
ARE PERPENDICULAR TO THE FLOOR OF THE VEHICLE. IF TILTED THEY NEED ADJUSTMENT.
OPERATION" INDICATOR LIGHT SHOULD NOW GLOW STEADY. CHECK IF ALL JACKS
WITH IN 3-5 SECONDS AFTER ALL THE WARNING LIGHTS ARE ON. THE "HYDRAULIC
"JACKS DOWN" LIGHT ON THE DASH SHOULD COME ON. THE PUMP SHOULD STOP
SHOULD SWING VERTICAL. THE FOUR "JACKS DOWN" LIGHTS AS WELL AS THE MASTER
LIGHT SHOULD START TO FLASH. THE PUMP SHOULD COME ON AND ALL FOUR JACKS
PRESS THE "HYD" BUTTON A SECOND TIME. THE "HYDRAULIC OPERATION INDICATOR
7. VERTICAL OPERATION:
[COMMENTS]

MI1523
12-05-94
OK REWORK
9. STORE OPERATION:
PUSH THE "O" OFF BUTTON. PUSH THE "I" ON BUTTON ONE TIME THEN PUSH THE
"JACK STORE" BUTTON. ALL FOUR JACKS SHOULD SWING TOWARD HORIZONTAL.
THE FOUR RED "JACKS DOWN" LIGHTS AND THE MASTER "JACKS DOWN" LIGHT
ON THE DASH SHOULD GO OUT. THE "TRAVEL PERMISSIBLE LIGHT" SHOULD BE
ON WHEN ALL "JACKS DOWN" LIGHTS ARE OUT.
[COMMENTS]
10. MOUNTING BRACKET CHECK:
CHECK ALL MOUNTING BRACKETS AND WELDS FOR PHYSICAL DAMAGE.
[COMMENTS]
11. HYDRAULIC OIL LEVEL:
CHECK RESERVOIR OIL LEVEL. OIL SHOULD BE WITHIN ONE INCH OF THE TOP OF
THE TANK. IF OIL IS LOW DO NOT CONTINUE UNTIL THE TANK HAS BEEN FILLED.
POWER UNIT COULD BE DAMAGED. THE JACKS SHOULD BE FULLY RETRACTED TO
[COMMENTS]
12. AUTO LEVELING-1ST STAGE:
POSITION THE VEHICLE SO ONE OR MORE YELLOW LEVELING LIGHTS ARE ON. PUSH
THE "I" BUTTON ONCE TO TURN THE SYSTEM ON. PUSH THE "I" BUTTON A SECOND
TIME TO MOVE THE JACKS TO THE VERTICAL POSITION. ALL OF THE RED WARNING
LIGHTS SHOULD BE ON. THESE OPERATIONS WERE CHECKED IN STEPS 4 THRU 7,
AND SHOULD BE OK.
[COMMENTS]
13.AUTO LEVELLING -2ND STAGE:
PUSH THE "I" BUTTON AGAIN (3RD) TIME.
A. THE "HYDRAULIC OPERATION" INDICATOR LIGHT WILL START TO BLINK.
B. ONE OR TWO JACKS AT A TIME WILL EXTEND CORRESPONDING TO ANY YELLOW
LIGHT WHICH IS LIT. THE PUMP WILL CYCLE ON AND OFF AS REQUIRED. THERE IS A
SHORT DELAY BETWEEN OPERATION OF THE JACKS . THIS SHOULD CONTINUE UNTIL
ALL YELLOW LIGHTS ARE OUT OR UNTIL ONE JACK HAS REACHED FULL STROKE.
C. THE PUMP WILL COME BACK ON AND RUN UNDER LOW PRESSURE. DURING THIS
TIME ANY JACKS NOT ALREADY TOUCHING THE GROUND WILL BE EXTENDED TO
INCH BUT SHOULD NOT LIFT THE VEHICLE MORE THAN 1 INCH.
D. THE "HYDRAULIC OPERATION" LIGHT WILL GO OUT.
[COMMENTS]
STABILIZE THE VEHICLE. NOTE THE JACKS SHOULD LIFT THE VEHICLE AT LEAST 1/2
CHECK THE HYDRAULIC OIL LEVEL.

MI1524
11-15-94
OK REWORK
14. SENSING UNIT:
AFTER AUTO LEVELING-2ND STAGE, ALL YELLOW LEVELING LIGHTS SHOULD BE OUT.
CHECK WITH A LEVEL TO SEE THAT THE VEHICLE IS LEVEL. IF IT IS, THE SENSING
UNIT IS PROPERLY ADJUSTED.
[COMMENTS]
15. AUTOMATIC RETRACT (STORE):
THE IGNITION SWITCH MUST BE IN THE "ACC" OR "ON" POSITION. PUSH THE "I" BUTTON
THE "HYDRAULIC OPERATION" INDICATOR LIGHT WILL GLOW STEADY. PUSH THE
"JACK STORE" BUTTON ONE TIME.
A. THE "JACK STORAGE" INDICATOR LIGHT WILL START TO FLASH.
B. AS EACH JACK CLEARS THE GROUND, IT SHOULD SWING HORIZONTAL AND
CONTINUE TO RETRACT.
D. THE GREEN "TRAVEL PREASSEMBLE" INDICATOR LIGHT SHOULD COME ON WHEN
THE RED WARNING LIGHTS ARE OUT.
C. THE RED WARNING LIGHTS SHOULD BE OUT.
E. THE SYSTEM WILL AUTOMATICALLY SHUT DOWN SIX MINUTES AFTER ALL THE JACKS
ARE RETRACTED. ALL LIGHTS ON THE TOUCH PANEL SHOULD NOW BE OUT EXCEPT
THE "TRAVEL" LIGHT. CHECK THAT ALL JACKS ARE IN THE HORIZONTAL AND FULLY
RETRACTED.
[COMMENTS]