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HWH 110 Series Operator's Manual

Lever-controlled leveling system
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OPERATOR'S MANUAL
HWH LEVER-CONTROLLED
110 SERIES LEVELING SYSTEM
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP10039
H H
W
CORPORATION
R
FEATURING:
Four Lever Control
Hydraulic Leveling
Kick-Down Jacks
Suspension Air Dump
HWH HYDRAULIC LEVELING
LEVELING
RF
LR
LF
H
W
H
R
CORPORATION
WARNING
LF
LR
RF
EXTEND
STORE
CAUTION!
UNDERSTAND OPERATOR'S MANUAL BEFORE
USING. BLOCK FRAME AND TIRES BEFORE REMOVING
TIRES OR CRAWLING UNDER VEHICLE.
INTEGRATED CONTROLS
HWH CORPORATION
(On I-80, Exit 267 South)
2096 Moscow Road | Moscow, Iowa 52760
www.hwh.com
R
RR
FUSE
5 AMP
RR
DUMP
LEVEL
OFF
ML10039/MP05.1001/LHD-K
26FEB04

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Summary of Contents for HWH 110 Series

  • Page 1 CORPORATION OPERATOR’S MANUAL HWH LEVER-CONTROLLED 110 SERIES LEVELING SYSTEM FEATURING: Four Lever Control Hydraulic Leveling Kick-Down Jacks Suspension Air Dump HWH HYDRAULIC LEVELING LEVELING FUSE 5 AMP CORPORATION WARNING EXTEND DUMP LEVEL STORE CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.

  • 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 CONTROL CIRCUIT FUSE ON/ MASTER (5 Amp) WARNING LIGHT "LEVELING" LIGHTS (4 - Yellow) HWH HYDRAULIC LEVELING LEVELING FUSE 5 AMP CORPORATION WARNING "WARNING" LIGHTS (4 - Red) JACK CONTROL LEVER EXTEND DUMP LEVEL "DUMP/LEVEL/OFF" ROCKER SWITCH STORE CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE...

  • Page 4: Operation Procedures

    OPERATION PROCEDURES SITE SELECTION Park with the front of the vehicle facing downhill if possible. parking on soft ground or asphalt paving, wood blocks or Care must be taken not to raise the rear of the vehicle too high pads should be placed under the jacks. or the vehicle may roll forward or backward off the jacks.
  • Page 5 OPERATION PROCEDURES RETRACTING PROCEDURE EXTEND POSITION STORE/TRAVEL POSITION JACK POSITIONS CAUTION: MAKE SURE PEOPLE AND EQUIPMENT 3. Visually check that all jacks are in the STORE/TRAVEL ARE CLEAR OF THE VEHICLE. position. With the ignition switch in the "ON" or "ACCESSORY" position, and the system turned on, the red WARNING lights 1.

  • Page 6: Fluid Levels

    All major components of the system can be replaced To eliminate this problem, periodically check the leveling jacks with rebuilt parts or can be sent to HWH CORPORATION to and break loose any ice which may be causing improper operation.

  • Page 7: System Adjustment

    MAINTENANCE SYSTEM ADJUSTMENT SET SCREW, LOWER UPPER HORIZONTAL ADJUSTING ADJUSTING SET SCREW ADJUSTMENT ADJUSTING ADJUSTING HEAVY DUTY LOCK NUTS, STOP STANDARD & VERTICAL LEVELING LOW PROFILE ADJUSTMENT UNITS UNITS 6,000 lb. JACKS 9,000 lb. JACKS 16,000 lb. JACKS JACK ADJUSTMENT There are two basic adjustments which are made at the time 2.
  • Page 8 MAINTENANCE HYDRAULIC CONTROL VALVE ADJUSTMENT Two parts of the control valve are possible to adjust. The proper detent in the retract position, yet holding the plunger down to it’s adjustments for these parts are made at the factory, so readjust- full extent or no less than 1/16"...

  • Page 9: 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 10 110 SYSTEM HYDRAULIC LINE CONNECTION DIAGRAM FOUR LEVER INTEGRATED CONTROL PRESSURE RETURN LR LF RF RR EXTEND STORE MP65.1005 24AUG95...
  • Page 11 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 12 ELECTRICAL CONNECTION DIAGRAM 110 SERIES LEVELING SYSTEM FOUR LEVER INTEGRATED CONTROL WITH SUSPENSION AIR DUMP HWH HYDRAULIC LEVELING LEVELING MASTER WARNING FUSE 5 AMP CORPORATION LIGHT/BUZZER SEE PANEL WARNING CONNECTION DIAGRAM CONNECTION EXTEND DUMP DIAGRAM LEVEL STORE FROM +12 ACC FUSE CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE...
  • Page 13 ELECTRICAL CONNECTION DIAGRAM 110 SERIES LEVELING SYSTEM FOUR LEVER INTEGRATED CONTROLS WITH 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 14 MICRO SWITCH YELLOW LEVEL 4-LEVER VALVE INDICATOR LIGHTS RR RED * BATTERY RF GREEN LF BLACK PUMP LR YELLOW GROUND - (WHITE) 6230 PUMP RELAY GND. WHITE (BLUE) 6820 6231 LEVEL SENSING (BROWN) 7699 JACK UNIT DOWN (PURPLE) 6121 LIGHT LR - (GREEN) 4000 LF - (ORANGE) 1000 LOGO...
  • Page 15 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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