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OPERATOR'S MANUAL
HWH COMPUTER-CONTROLLED
LEVELING SYSTEM
TOUCH PANEL CONTROL
HYDRAULIC LEVELING
STRAIGHT-ACTING JACKS
HWH COMPUTERIZED LEVELING
HYD
LEVEL
STORE
OFF
UNDERSTAND OPERATOR'S MANUAL BEFORE USING. BLOCK FRAME AND TIRES
SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
(800) 321-3494 / (563) 724-3396
INTERNET: http: //www.hwhcorp.com
H
W
CORPORATION
600 SERIES
FEATURING:
AIR LEVELING
EXCESS
SLOPE
AIR
NOT IN
PARK/
BRAKE
DUMP
TRAVEL
CAUTION!
RAISE
HWH CORPORATION
(ON I-80, EXIT 267 SOUTH)
2096 MOSCOW ROAD
MOSCOW, IOWA 52760
H
R
ML11216/MP05.4505/CHA-S
16MAR01
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Table of Contents
Related Manuals for HWH 600 Series
Summary of Contents for HWH 600 Series
- Page 1 CORPORATION OPERATOR’S MANUAL HWH COMPUTER-CONTROLLED LEVELING SYSTEM 600 SERIES FEATURING: TOUCH PANEL CONTROL HYDRAULIC LEVELING AIR LEVELING STRAIGHT-ACTING JACKS HWH COMPUTERIZED LEVELING EXCESS SLOPE LEVEL NOT IN PARK/ BRAKE STORE DUMP TRAVEL CAUTION! RAISE UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
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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 "EXCESS SLOPE" DUMP "NOT IN PARK" LIGHT AIR OPERATION LIGHT LIGHT LIGHT LOWER FRONT BUTTON "LEVEL AIR" BUTTON RAISE FRONT BUTTON HYDRAULIC OPERATION LIGHT COMPUTERIZED LEVELING WARNING LIGHTS "LEVEL HYD" BUTTON (4-Red) EXCESS SLOPE LEVEL STORE LIGHT RAISE RIGHT SIDE BUTTON NOT IN PARK/ BRAKE... - Page 4 CONTROL IDENTIFICATION CONTROL FUNCTIONS (CONT’D) INDICATORS (CONT’D) "EXCESS SLOPE" INDICATOR LIGHT: This light will be on LEVEL INDICATOR LIGHTS : There are four yellow LEVEL if the leveling system can NOT level the vehicle. indicator lights. A lit LEVEL indicator light indicates a side or end of the vehicle is low.
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Page 5: Operating Procedures
OPERATING PROCEDURES GENERAL INSTRUCTIONS If parking on soft ground or asphalt paving, pads should be released. The system will shut off and the vehicle suspension placed under the jacks for hydraulic leveling. system will return to travel height. Read room operating procedures before operating any rooms. Air and hydraulic leveling can not be used simultaneously. - Page 6 OPERATING PROCEDURES HYDRAULIC OPERATION (Cont’d) JACK RETRACTION CAUTION: THE OPERATOR MUST BE SURE THERE EXTEND POSTION ARE NO OBJECTS UNDER THE VEHICLE AND THAT ALL STORE/TRAVEL POSITION PEOPLE ARE CLEAR OF THE VEHICLE. 1. Start the vehicle engine to build air pressure. Immediately start the retract procedure.
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Page 7: Air Operation
OPERATING PROCEDURES HYDRAULIC OPERATION (Cont’d) MANUAL JACK RETRACTION NOTE: Use the valve release "T" handles for retracting only may turn easily at first but as an internal spring is compressed, if the "STORE" button on the control panel will not retract the turning may become more difficult. - Page 8 OPERATING PROCEDURES AIR OPERATION (Cont’d) MANUAL AIR OPERATION 1. Place the transmission in the proper position for parking and 3. The vehicle can now be leveled using the RAISE (up arrow) set the park brake. The ignition key must be in the "ON" posi- and LOWER (down arrow) buttons on the right of half of the tion to turn Air Leveling on.
- Page 9 NOTE : All major components of the system can be replaced In wet or icy weather leveling jacks may become encrusted with rebuilt jacks 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 10 NOTE : If any of the above checks or inspections reveal a problem or if there are other problems or questions, con- sult a qualified RV repair center, your vehicle or coach manufac- turer, or HWH CORPORATION (1-800-321-3494) for service or repair. MP45.4525 12JUN97...
- Page 11 HYDRAULIC LINE CONNECTION DIAGRAM LEVELING SYSTEM NOTE: BEFORE OPERATING VALVE RELEASE "T" HANDLES, READ AND UNDERSTAND PROCEDURE FOR MANUAL JACK RETRACTION IN OPERATOR’S INSTRUCTIONS. VALVE RELEASE "T" HANDLES PUMP/MANIFOLD SHUTTLE ASSEMBLY VALVE CHECK VALVE CAPS (4) MANIFOLD FITTING NOTE: SOME MANIFOLDS ARE EQUIPPED WITH VELOCITY VALVES VELOCITY VALVE MP65.0...
- Page 12 HYDRAULIC SCHEMATIC BI-AXIS LEVELING WITH STRAIGHT-ACTING JACKS RELIEF VALVE 12 VOLT D.C. HYDRAULIC SOLENOID MANIFOLD POWER UNIT ASSEMBLY RETURN PRESSURE PRESSURE/RETURN 3000 PSI SHUTTLE VALVE SWITCH CHECK SOL.VALVE SOL.VALVE SOL.VALVE SOL.VALVE VALVE INNER CHECK VALVE OUTER LEFT RIGHT FRONT FRONT JACK PRESSURE SWITCH...
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Page 13: Compressor Diagram
COMPRESSOR DIAGRAM TO +12 BATTERY POWER 15 AMP 12 VOLT RELAY (1) BROWN COMPRESSOR HARNESS FROM CONTROL BOX TO SUSPENSION +12 CONTROL WIRE FROM COACH BATTERY SWITCH PROVIDED GROUND BY CUSTOMER CHECK VALVE PRESSURE SWITCH (4) NORMALLY CLOSED FLOW (OPEN AT 90 PSI) (CLOSED AT 60 PSI) AIR LINE TO SUSPENSION RELIEF VALVE (3) - Page 14 AIR SOLENOID MANIFOLD 6 VALVE WITH TWO PRESSURE SWITCHES 3.400" LINE FROM HEIGHT CONTROL VALVE LINE TO AIR BAGS PRESSURE SWITCH LINE TO AIR BAGS AIR SUPPLY CHECK VALVE REAR VIEW MOUNTING HOLES LINE FROM HEIGHT CONTROL VALVE (2 MAY BE TEE’D TOGETHER IF ONE TRAVEL SOLENOID HCV IS USED)
- Page 15 AIR LINE CONNECTION DIAGRAM FRONT MANIFOLD AIR BAG COMPRESSOR SUSPENSION TANK REAR MANIFOLD LINE FROM HEIGHT CONTROL VALVE LINE TO AIR BAGS SUPPLY HEIGHT CONTROL VALVE (3 PLACES) MP75.4560 24JUL97...
- Page 16 AIR LEVEL SCHEMATIC 4-POINT LEVELING W/AIR COMPRESSOR PRESSURE SWITCHES FRONT AND REAR SEE AIR COMPRESSOR SCHEMATIC FRONT HEIGHT CONTROL VALVE (HCV) FRONT MANIFOLD ASSEMBLY SUSPENSION TANK TRAV. TRAV. LOWER LOWER RAISE RAISE REAR MANIFOLD ASSEMBLY TRAV. TRAV. TRAV. TRAV. LR HCV RR HCV LOWER LOWER...
- Page 17 ELECTRICAL CONNECTION AIR LEVELING SYSTEM (WITH TOUCH PANEL CONTROL AND HYDRAULIC LEVELING) TO AUX. AIR COMPRESSOR TOUCH PANEL SEE AIR COMPRESSOR MODULAR COMPUTERIZED LEVELING DIAGRAM - EXCESS CABLE SLOPE LEVEL (BROWN) 9700 SEE CONTROL NOT IN PARK/ BRAKE BOX DIAGRAM STORE DUMP TRAVEL...
- Page 18 ELECTRICAL CONNECTION DIAGRAM HYDRAULIC LEVELING SYSTEM (WITH TOUCH PANEL CONTROL AND AIR LEVELING) SEE CONTROL BOX CONNECTION DIAGRAM GROUND STUD #10 TO BE FIRST WIRE ON GROUND STUD - (WHITE) 6230 WHITE (WHITE) (RED) 2000 6235 (YELLOW) (WHITE) 6235 1000 WARNING WARNING SWITCH...
- Page 19 CONTROL BOX CONNECTION DIAGRAM 600 SERIES HYDRAULIC LEVELING/4-POINT AIR LEVELING PART: SERIAL NUMBER STICKER PARK BRAKE SENSOR - (BLUE) 9000 LR - (GREEN) 4000 RR - (BLACK) 3000 LEFT FRONT RAISE - (GREEN) 1500 JACK WARN. RF - (RED) 2000 LEFT FRONT LOWER - (RED) 1600 SW.
- Page 20 WIRING DIAGRAM HYDRAULIC MANIFOLD FOR 610 SERIES LEVELING SYSTEMS RIGHT RIGHT LEFT LEFT REAR FRONT FRONT REAR PRESSURE SWITCH (Rear 3000 PSI view) (Front view) WHITE TO GROUNDING STUD (SEE GROUNDING INSTRUCTIONS) NOTE: THE FOUR DIGIT WIRE NUMBER SUPERSEDES ANY AND ALL WIRE COLORS.
- Page 21 WIRING DIAGRAM MASTER AND PUMP RELAY PUMP RELAY CONNECTION DIAGRAM CABLE GRAY FROM MANIFOLD PUMP PUMP HARNESS "+" STUD NOTE: THE FOUR DIGIT WIRE NUMBER SUPERSEDES ANY AND ALL WIRE COLORS. GROUND WIRE CABLE FROM MANIFOLD (BLACK) MANIFOLD/PUMP FROM PUMP HARNESS 6800 HARNESS MASTER RELAY...
- Page 22 POWER UNIT/HARNESS GROUNDING INSTRUCTIONS WELDED PUMP MOUNT Use grounding stud and 3/8" internal star lockwashers as shown. IMPORTANT: STAR LOCKWASHER MUST BE USED BETWEEN GROUNDING SURFACE AND WIRE TERMINALS NOTE: THE FOUR DIGIT WIRE NUMBER SUPERSEDES ANY AND ALL WIRE COLORS. WHITE FROM PRESSURE SWITCH PUMP MOUNTING...
- Page 23 ELECTRICAL CONNECTION DIAGRAM FOR AIR COMPRESSORS WITH AUXILIARY SYSTEM PRESSURE SWITCH COMPRESSOR +12 SIGNAL - (BROWN) 9700 HARNESS FROM CONTROL BOX BROWN PRESSURE SWITCH OPEN 90 PSI DIODE CLOSE 60 PSI +12V BATTERY WHITE GROUND ORANGE SWITCH BY O.E.M. 12 VOLT ESSEX BLACK ( GROUND ) RELAY...