HWH 310 Series Operator's Manual
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HWH 310 Series Operator's Manual

Touch panel-controlled leveling system and spacemaker room extension system
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OPERATOR'S MANUAL
HWH TOUCH PANEL-CONTROLLED
R
310 SERIES LEVELING SYSTEM
SPACEMAKER ROOM EXTENSION SYSTEM
Dual Cylinder Hydraulic Room Extension
UNDERSTAND OPERATOR'S MANUAL BEFORE USING. BLOCK FRAME AND TIRES
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
H H
W
CORPORATION
and
R
FEATURING:
Touch Panel Leveling Control
BI-AXIS Hydraulic Leveling
R
Sraight-Acting Jacks
(With Synchronizing Cylinder)
HWH HYDRAULIC LEVELING
ON
NOT IN
PARK/
STORE
BRAKE
OFF
CAUTION!
SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
HWH CORPORATION
(On I-80, Exit 267 South)
2096 Moscow Road | Moscow, Iowa 52760
www.hwh.com
R
ML17189/MP05.3213
13JAN03

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  • Page 1 CORPORATION OPERATOR’S MANUAL HWH TOUCH PANEL-CONTROLLED 310 SERIES LEVELING SYSTEM SPACEMAKER ROOM EXTENSION SYSTEM FEATURING: Touch Panel Leveling Control BI-AXIS Hydraulic Leveling Sraight-Acting Jacks Dual Cylinder Hydraulic Room Extension (With Synchronizing Cylinder) HWH HYDRAULIC LEVELING NOT IN PARK/ STORE BRAKE CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING.

  • 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 "NOT IN PARK/BRAKE" LIGHT FRONT RETRACT BUTTON FRONT EXTEND BUTTON POWER ON LIGHT HWH HYDRAULIC LEVELING WARNING LIGHTS (4-Red) "ON" BUTTON STORE LIGHT RIGHT SIDE EXTEND BUTTON NOT IN PARK/ STORE BRAKE "STORE" BUTTON RIGHT SIDE RETRACT BUTTON "OFF"...
  • Page 4 CONTROL IDENTIFICATION ROOM OPERATOR’S PANEL CORPORATION HYDRAULIC ROOM EXTENSION EXTEND ROOM CONTROL KEY SWITCH SWITCH CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. KEEP PEOPLE AND OBSTRUCTIONS RETRACT CLEAR OF ROOM WHEN OPERATING. CONTROL FUNCTIONS KEY SWITCH: The KEY SWITCH controls power to the ROOM ROOM CONTROL SWITCH: The ROOM CONTROL SWITCH CONTROL SWITCH.

  • Page 5: Operating Procedures

    OPERATING PROCEDURES SITE SELECTION Maintain adequate clearance in all directions for vehicle, room jacks or vehicle, equipment malfunction, etc. If parking on extensions, awnings, doors, steps, etc. Vehicle may move in soft ground or asphalt paving, wood blocks or pads should any direction due to jack extending or retracting, settling of be placed under the jacks.
  • Page 6 DO NOT force the the room remove it before extending the room. room. DO NOT reverse direction of the room, contact HWH Customer Service for assistance 1-800-321-3494. CAUTION: KEEP PEOPLE AND OBSTRUCTIONS CLEAR OF ROOM WHEN OPERATING.
  • Page 7 OPERATING PROCEDURES RETRACT PROCEDURES CAUTION: DO NOT MOVE THE VEHICLE WHILE EXTEND POSITION STORE/TRAVEL POSITION THE LEVELING JACKS ARE STILL IN CONTACT WITH THE GROUND OR IN THE EXTEND POSITION. THIS VEHICLE IS EQUIPPED WITH STRAIGHT-ACTING JACKS. MOVING THE VEHICLE WITH THE LEVELING JACKS EXTENDED CAN CAUSE SEVERE DAMAGE TO THE JACKS AND OR THE VEHICLE AND CREATE A DRIVING HAZARD.
  • Page 8 Follow steps 2 and 3 and try pushing the room in. To extend the WINCH STRAP firmly grasp WINCH HANDLE, Contact the vehicle manufacturer or HWH Customer place RATCHET LEVER in its OFF position, and slowly rotate Service at 1-800-321-3494 or 563-724-3396 for assistance.
  • Page 9 Follow steps 2 and 3 and try pushing the room in. it to the room according to the vehicle manufacturer’s Contact the vehicle manufacturer or HWH Customer instructions. To extend the WINCH STRAP firmly grasp Service at 1-800-321-3494 or 563-724-3396 for assistance.
  • Page 10 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 11: Troubleshooting

    TROUBLE SHOOTING The following is a list of problems, 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 re- quired.
  • Page 12 IMPORTANT: DO NOT REVERSE THE DIRECTION THE ROOM WAS TRAVELING OR TRY TO FORCE THE ROOM. C. Hydraulic line is pinched or broken. CONTACT YOUR DEALER OR HWH SERVICE FOR ASSISTANCE. D. Faulty wire, electrical connection, ROOM CONTROL SWITCH , EXTEND SOLENOID VALVE, HYDRAULIC PUMP, or HYDRAULIC CYLINDER.
  • Page 13 CYLINDER MUST BE THE SAME LENGTH AND DIAMETER. THE B1 LINES MUST BE HIGH PRESSURE HOSE. NOTE: DIFFERENT TYPES OF HOSE, ESPECIALLY HIGH PRESSURE HOSE, HAS BEEN USED. THE PRINTING ON A 1/8" OR 3/16" HOSE BEING REPLACED MUST MATCH THE ORIGINAL HOSE. ALL HWH 1/4" HOSE IS THE SAME. MP65.230D...
  • Page 14 HYDRAULIC LINE CONNECTION DIAGRAM 310 SERIES LEVELING SYSTEM DUAL CYLINDER ROOM EXTENSION SYSTEM W/SYNCHRONIZING CYLINDER LEVELING SYSTEM SHUTTLE VALVE MANIFOLD VALVE RELEASE VALVE "T" HANDLES RELEASE "T" HANDLES EXTEND ROOM VALVE EXTENSION MANIFOLD RETRACT VALVE 1/8" HIGH PRESSURE HOSE STEEL TUBE...
  • Page 15 HYDRAULIC SCHEMATIC 305/310/325 SERIES LEVELING SYSTEM WITH STRAIGHT-ACTING JACKS RELIEF VALVE 12 VOLT D.C. HYDRAULIC SOLENOID MANIFOLD POWER UNIT ASSEMBLY RETURN PRESSURE PRESSURE/RETURN 50 PSI SHUTTLE VALVE SWITCH CHECK SOL.VALVE SOL.VALVE SOL.VALVE SOL.VALVE VALVE INNER CHECK VALVE OUTER LEFT RIGHT FRONT FRONT JACK...
  • Page 16 ELECTRICAL CONNECTION DIAGRAM 310/325 SERIES, TOUCH PANEL-CONTROLLED LEVELING SYSTEM WITH ONE ROOM EXTENSION SYSTEM TO PARK TO BRAKE #10 WHITE WIRE TO GROUND STUD - (WHITE) 6230 BRAKE LIGHT ON SEE TOUCH PANEL SWITCH DASH CONNECTION (LABELED) - (LABELED) - DIAGRAM TOUCH SEE CONTROL BOX...
  • Page 17 ELECTRICAL CONNECTION DIAGRAM CONTROL BOX 310/325 SERIES, TOUCH PANEL-CONTROLLED LEVELING SYSTEM WITH ROOM EXTENSION LEFT REAR - (BROWN) 4400 LEFT FRONT - (BLUE) 1400 RIGHT FRONT - (GREEN) 2400 RIGHT REAR - (ORANGE) 3400 PRESSURE SWITCH - (BLACK) 8100 LEFT REAR FUSE PUMP - (GRAY) 8600 #10 POWER WIRE - #10 GROUND...
  • Page 18 CONNECTION DIAGRAM TOUCH PANEL FOR... 310/325 SERIES, TOUCH PANEL-CONTROLED LEVELING SYSTEM HWH HYDRAULIC LEVELING NOT IN PARK/ BRAKE STORE CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE. STORE-9 7-GROUND PUMP-10...

  • Page 19: View From Top

    ELECTRICAL CONNECTION DIAGRAM 310 SERIES LEVELING SYSTEM HYDRAULIC MANIFOLD-PUMP RELAY MANIFOLD DIAGRAM SEE GROUNDING INSTRUCTION DIAGRAM NOTE: THE (4) DIGIT WIRE NUMBER DO NOT REVERSE WIRE SUPERSEDES ANY AND ALL WIRE COLORS TO A & B ON 6233 COLORS. PACKARD CONNECTORS...
  • Page 20 ELECTRICAL CONNECTION DIAGRAM ONE ROOM EXTENSION SYSTEM ROOM EXTENSION OPERATOR’S PANEL ACC. BROWN SWITCH ROOM CONTROL ROCKER SWITCH (SEE DETAIL A) DETAIL A ELECTRICAL CONNECTION BLACK DIAGRAM - CONTROL BLACK BOX WITH ROOM EXTENSION +12 FROM PUMP RELAY - ROOM EXTENSION (RED) 6810 RETRACT SOLENOID PUMP CONTROL...
  • Page 21 ELECTRICAL SCHEMATIC ROOM EXTENSION SYSTEM ROOM EXTENSION OPERATOR’S PANEL (GRAY) +12 ACC. FROM CONTROL 7541 CONTROL BOX - SWITCH (BROWN) 6120 (BLACK) 5100 (RED) 6810 ROOM CONTROL SWITCH DPDT (YELLOW) 5000 15 AMP FUSE (WHITE) (YELLOW) 6245 5000 EXTEND SOLENOID VALVE (BLACK) (WHITE) 5100...
  • Page 22 ELECTRICAL CONNECTION DIAGRAM ONE ROOM EXTENSION SYSTEM ELECTRICAL CONNECTION DIAGRAM - CONTROL BOX WITH ROOM EXTENSION +12 ACC - 6120 25 - 7541 26 - 7541 DETAIL A 12 - CYLINDER EXTEND SOLENOID VALVE - 5000 13 - CYLINDER RETRACT SOLENOID VALVE - 5100 +12 FROM PUMP RELAY - 6810...
  • Page 23 GROUNDING INSTRUCTIONS POWER UNIT/HARNESS 310/325 SERIES, TOUCH PANEL-CONTROLLED LEVELING SYSTEM WELDED PUMP MOUNT USE GROUNDING STUD AND 3/8" EXTERNAL STAR LOCKWASHERS AS SHOWN. IMPORTANT: 3/8" STAR LOCKWASHERS MUST BE USED BETWEEN GROUNDING SURFACE AND WIRE TERMINALS. GROUND CABLE PUMP MOUNTING STRAP (NOT USED CHANNEL MANIFOLD GROUND...
  • Page 24 MASTER LIGHT/BUZZER CONNECTION DIAGRAM COMPUTERIZED 310/325 SERIES LEVELING WITH ELECTRONIC SENSING UNIT CONNECT THIS END TO IGNITION "ON" POWER IMPORTANT: PIGTAIL WITH DIODE MUST BE USED OR LEVELING SYSTEM MAY NOT WORK CORRECTLY. PIGTAIL W/ DIODE AND IN LINE FUSE HOLDER 5 AMP FUSE JACKS DOWN LIGHT INCLUDED...
  • Page 25 BREATHER CAP - DIPSTICK - 1/4" NUT DRIVER 1 1/2" DIAMETER VALVE RELEASE SOLENOID VALVE NOTE: DO NOT turn the valve release nut more than 4 and 1/2 (four and one half) turns counter clockwise. Damage to the valve may result. VALVE RELEASE PLASTIC PLUG 2 1/4"...

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