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HWH 100 Series Operator's Manual

Lever-controlled leveling system
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OPERATOR'S MANUAL
HWH LEVER-CONTROLLED
100 SERIES LEVELING SYSTEM
CAUTION!
BEFORE USING. BLOCK FRAME AND TIRES SECURELY
BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
LR
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP10037
H H
W
CORPORATION
R
FEATURING:
Four Lever Control
Hydraulic Leveling
Straight-Acting Jacks
Suspension Air Dump
UNDERSTAND OPERATOR'S MANUAL
EXTEND
RR
LF
RF
HWH
STORE
CORPORATION
SEPARATE CONTROLS
HWH CORPORATION
(On I-80, Exit 267 South)
2096 Moscow Road | Moscow, Iowa 52760
www.hwh.com
R
LR
HYDRAULIC
LR
FUSE
5AMP
UNDERSTAND OPERATOR'S MANUAL BEFORE USING.
BLOCK FRAME AND TIRES SECURELY BEFORE
REMOVING TIRES OR CRAWLING UNDER VEHICLE.
R
LEVEL
LF
RF
RR
H
W
H
R
LEVELING
CORPORATION
LF
RR
RF
WARNING
DUMP
LEVEL
CAUTION!
OFF
ML10037/MP05.0502/LHD-S
26FEB04

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Summary of Contents for HWH 100 Series

  • Page 1 CORPORATION OPERATOR’S MANUAL HWH LEVER-CONTROLLED 100 SERIES LEVELING SYSTEM FEATURING: Four Lever Control Hydraulic Leveling Straight-Acting Jacks Suspension Air Dump CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE. EXTEND LEVEL...

  • Page 2: How To Obtain Warranty Service

    HWH CORPORATION personnel will contact you to the problem quickly. If the dealer has difficulty solving determine whether or not your claim is valid. If it is, HWH the problem, he should immediately contact the Customer CORPORATION will authorize repair or replacement of the Service Department, at HWH CORPORATION.

  • Page 3: Control Identification

    CONTROL IDENTIFICATION CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE. EXTEND JACK CONTROL LEVER (4) STORE CORPORATION POWER ON/MASTER LEVEL "LEVEL" LIGHTS WARNING LIGHT (4 YELLOW) HYDRAULIC LEVELING CORPORATION "WARNING" LIGHTS WARNING (4 RED) DUMP...

  • Page 4: Operation Procedures

    OPERATION PROCEDURES SITE SELECTION Park with the front of the vehicle facing downhill if possible. If parking on soft ground or asphalt paving, wood blocks or pads should be placed under the jacks. ROOM EXTENSION PROCEDURES IMPORTANT: If the vehicle is equipped with a room extension Refer to the vehicle owner’s manual for proper operation of read this section carefully.

  • Page 5: Operating Procedures

    OPERATING PROCEDURES RETRACT PROCEDURES EXTEND POSITION STORE/TRAVEL POSITION JACK POSITIONS CAUTION: MAKE SURE THAT PEOPLE AND EQUIP- 3. Start the vehicle engine and let air pressure build up in the MENT ARE CLEAR OF THE VEHICLE. suspension. CAUTION: IMPORTANT: Always retract the two front jacks first. DO NOT MOVE THE VEHICLE WHILE THE LEVELING JACKS ARE STILL IN CONTACT WITH THE GROUND 1.
  • Page 6 NOTE: All major components of the system can be replaced In west or icy weather leveling jacks may become encrusted with rebuilt parts or can be sent to HWH CORPORATION to with ice. This may cause the leveling system to function be rebuilt, when the system is out of warranty.
  • Page 7 MAINTENANCE HYDRAULIC CONTROL VALVE ADJUSTMENT Two parts of the control valve are possible to adjust. The proper 2. ADJUSTING THE MICRO SWITCH: The micro switch will adjustments for these parts are made at the factory, so readjust- need adjusting if the activating rod does not fall directly upon ments will rarely be necessary.

  • Page 8: Troubleshooting

    TROUBLE SHOOTING The following is a list of troubles, and possible solutions which might occur to the leveling system. NOTE: Only qualified technicians should install or repair leveling systems on vehicles. A knowledge of hydraulics, welding, the vehicle’s suspension and electrical system, as well as an understanding of the leveling system’s hydraulics and electronics is required.
  • Page 9 100 SYSTEM HYDRAULIC LINE CONNECTION DIAGRAM FOUR LEVER SEPARATE CONTROL RETURN PRESSURE EXTEND STORE MP65.0505 24AUG95...
  • Page 10 AIR LINE CONNECTION DIAGRAM SUSPENSION AIR BAGS FROM WIRE HARNESS SEE ELECTRICAL AIR DUMP SOLENOID VALVES DIAGRAM FOR ARE ACTIVATED (OPENED) BY CONNECTION A +12 SIGNAL. 4 AIR DUMP SOLENOID VALVES AND 4 HEIGHT CONTROL VALVES ARE SHOWN. THE AIR DUMP VALVE IS TO TEE INTO THE LINE BETWEEN THE AIR BAG AND THE HEIGHT CONTROL VALVE.
  • Page 11 ELECTRICAL CONNECTION DIAGRAM 100 SERIES LEVER-CONTROLLED LEVELING SYSTEM WITH 4 LEVERS, SEPARATE CONTROLS AND SUSPENSION AIR DUMP SEE PANEL CONNECTION CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE. DIAGRAM MASTER WARNING...
  • Page 12 ELECTRICAL CONNECTION DIAGRAM 100 SERIES LEVER-CONTROLLED LEVELING SYSTEM WITH 4 LEVERS, SEPARATE CONTROLS AND SUSPENSION AIR DUMP PUMP RELAY CONNECTION DIAGRAM PUMP MUST BE MOUNTED SOLIDLY TO FRAME. SOME PUMPS HAVE A GROUND CABLE THAT IS TO BE ATTACHED TO THE GROUND STUD.
  • Page 13 MICRO SWITCH * BATTERY YELLOW LEVEL 4-LEVER VALVE INDICATOR LIGHTS RR RED PUMP PUMP RELAY RF GREEN 6231 LF BLACK LR YELLOW GROUND - (WHITE) 6230 GND. WHITE (BLUE) 6820 JACK LEVEL SENSING (BROWN) 7699 DOWN UNIT LIGHT BUZZER IGN. 6111 6111 LR - (GREEN) 4000 5 AMP...
  • Page 14 NOTE: DO NOT USE (PURPLE) WIRE - 6121 REMOVE (PURPLE) WIRE - 6121 6111 FROM HARNESS. NOTE: SPLICE (BROWN) WIRE - 7699 FROM HWH LIGHT PLATE TO (BROWN) - 7699 PIGTAIL WITH BUTT CONNECTOR. PIGTAIL JACKS DOWN LIGHT PROVIDED - (BROWN) 7699 INCLUDED IN HARDWARE KIT.

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