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HWH Corporation 625S Series Operator's Manual

Computer-controlled hydraulic leveling system, spacemaker slide-out systems
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See also: Installation Manual
OPERATOR'S MANUAL
HWH 725 SERIES, COMPUTER-CONTROLLED
R
HYDRAULIC LEVELING SYSTEM
HWH SPACEMAKER SLIDE-OUT SYSTEMS
R
Straight-Acting (Power-Extend/Spring-Retract) Jacks
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP53536
H H
W
CORPORATION
R
FEATURING:
BI-AXIS Touch Panel Control
R
Manual Pilot Air Dump
Multiple Slide-outs
Exterior Entry Step System
HWH COMPUTERIZED LEVELING
R
EXCESS
SLOPE
EXTEND
AUTO
LEVEL
NOT IN
PARK/
BRAKE
AUTO
MANUAL
STORE
DUMP
RETRACT
TRAVEL
MODE
CANCEL
WARNING!
UNDERSTAND OPERATOR'S MANUAL BEFORE USING. BLOCK FRAME AND TIRES
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
EXTEND
MANUAL
RETRACT
ML53537/MP04.3389
07APR14

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  • Page 1 CANCEL WARNING! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE. HWH CORPORATION (On I-80, Exit 267 South) 2096 Moscow Road | Moscow, Iowa 52760 Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408 www.hwh.com...
  • Page 2 OPERATOR’S MANUAL WARNING ! READ THE ENTIRE OPERATOR MANUAL BEFORE OPERATING. BLOCK FRAME AND TIRES SECURELY BEFORE CRAWLING UNDER VEHICLE. DO NOT USE LEVELING JACKS OR AIR SUSPENSION TO SUPPORT VEHICLE WHILE UNDER VEHICLE OR CHANGING TIRES. VEHICLE MAY DROP AND/OR MOVE FORWARD OR BACKWARD WITHOUT WARNING CAUSING INJURY OR DEATH.

  • Page 3: Computer Control

    CONTROL IDENTIFICATION 625S / 725 / 2000 SERIES LEVELING SYSTEM COMPUTER-CONTROL "EXCESS SLOPE" Indicator light LOWER FRONT Manual button "NOT IN PARK" Indicator light RAISE FRONT Manual button HWH COMPUTERIZED LEVELING JACK DOWN AUTO LEVEL Indicator light Indicator light (4) red EXCESS SLOPE "AUTO LEVEL"...

  • Page 4: Control Identification

    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: Cold Weather Operations

    (3" motors) or six minutes (3.7" or 4.5" motors) without allowing the pump motor to cool for thirty minutes. Continuous operation of the pump motor without allowing the motor to cool can damage the pump motor. Contact HWH corporation to get specific information about the system in this vehicle. COLD WEATHER OPERATIONS HWH leveling and room extension systems are designed to function in cold weather down to 0 degrees Fahrenheit.

  • Page 6: Operating Procedures

    OPERATING PROCEDURES GENERAL INSTRUCTIONS Maintain adequate clearance in all directions for vehicle, room Any time a hydraulic leveling process is interrupted, retract extensions, awnings, doors, steps, etc. Vehicle may move in the jacks according to the JACK RETRACTION Section and any direction due to jacks extending or retracting, settling of then restart the leveling process.
  • Page 7 OPERATING PROCEDURES 725 SERIES LEVELING SYSTEM AUTOMATIC HYDRAULIC LEVELING 1. Place transmission in the recommended position for The sequence starts with the right rear jack. If the pressure parking the vehicle and set parking brake. Turn the coach switch is not on, the system will extend the jack as necessary. engine off.
  • Page 8 OPERATING PROCEDURES 725 SERIES LEVELING SYSTEM JACK RETRACTION (HWH TOUCH PANEL CONTROLS) WARNING: THE OPERATOR MUST BE SURE THAT IMPORTANT: During the Automatic Store procedures, THERE ARE NO OBJECTS UNDER THE VEHICLE AND THAT pushing the "AUTO LEVEL", "AUTO STORE" or the ALL PEOPLE ARE CLEAR OF THE VEHICLE.
  • Page 9 OPERATING PROCEDURES MANUAL HYDRAULIC OPERATION 1. Place transmission in the recommended position for parking Any jack not used for leveling can be extended to the the vehicle, and set the parking brake. Turn the ignition to the ground. This provides additional stability against wind and "ACCESSORY"...
  • Page 10 OPERATING PROCEDURES ROOM EXTEND PROCEDURE WARNING: OPERATING A ROOM WITH ANY 6. To extend the room, press and hold the ROOM LOCKING, CLAMPING OR MANUAL RETRACTING ROOM CONTROL SWITCH in the "EXTEND" position DEVICES ATTACHED OR ENGAGED CAN CAUSE until the room is fully extended. PERSONAL INJURY AND VEHICLE DAMAGE.
  • Page 11 OPERATING PROCEDURES ROOM RETRACT PROCEDURE WARNING: KEEP PEOPLE AND OBSTRUCTIONS IMPORTANT: Do not hold the ROOM CONTROL SWITCH CLEAR OF ROOM WHEN OPERATING. in the "RETRACT" position for more than ten seconds after the room is fully retracted or stops moving. NOTE: It is recommended to retract room extensions If either side of the room stops moving, release the before retracting a leveling system.
  • Page 12 OPERATING PROCEDURES STEP EXTEND PROCEDURE NOTE: The park brake must be set before a step can NOTE: Make sure there is adequate clearance to fully be extended or retracted. extend and unfold the step and handrail. WARNING: OPERATING A STEP WITH ANY 3.
  • Page 13 OPERATING PROCEDURES STEP RETRACT PROCEDURE NOTE: The park brake must be set before a step can IMPORTANT: Do not hold the STEP CONTROL in the be extended or retracted. "RETRACT" position for more than ten seconds after the step is fully retracted or stops moving. WARNING: KEEP PEOPLE AND OBSTRUCTIONS If either side of the step stops moving, or the step and...
  • Page 14 OPERATING PROCEDURES "UNIVERSAL PLATFORM LEVEL-OUT" ROOM EXTENSION MECHANISM MANUAL ROOM LIFT PROCEDURES NOTE: Manual room lift procedures must be done before If the pump manifold is equipped with an auxiliary hand pump, manual room retraction procedures. you may be able to retract the room by opening only the room retract valve (as labeled by the wiring harness) and operating 1.
  • Page 15 OPERATING PROCEDURES "UNIVERSAL PLATFORM LEVEL-OUT" ROOM EXTENSION MECHANISM MANUAL ROOM RETRACT PROCEDURES EXTENDING ROOM AFTER SERVICE NOTE: Manual room lift procedures must be done before manual room retraction procedures. 1. Room lift bolts should not be retracted yet. Push and 1.
  • Page 16 OPERATING PROCEDURES "UNIVERSAL STRAIGHT OUT" ROOM EXTENSION MECHANISM MANUAL ROOM RETRACTION PROCEDURES - VALVES WITH RELEASE CAMS 1. Determine which synchronizing cylinder controls the room. 4. Move to the other room extension mechanism, rotate Manually open the valve release cams for the extend and the threaded rod clockwise 12 complete turns.
  • Page 17 OPERATING PROCEDURES MANUAL STEP RETRACT PROCEDURES - VALVES WITH CAM RELEASES If the system is equipped with an auxiliary pump run switch or an auxiliary hand pump, refer to the "OPERATING PROCEDURES" pages for the pump run switch or hand pump before using the manual step retract procedure. Use this procedure if a step control switch does not work only if the main pump or hand pump will not retract the step.

  • Page 18: Maintenance

    MAINTENANCE OIL LEVEL All maintenance should be done as part of the normal NOTE: Overfilling the tank can cause leakage of oil servicing of the coach. through the breather cap. The oil level should be checked when the vehicle is first FLUID: HWH Specialty Hydraulic Oil is recommended.
  • Page 19 CANNOT ROLL FORWARD OR BACKWARD. qualified RV repair center, your vehicle or coach manufacturer, or HWH CORPORATION Apply the brake so the coach cannot roll. Turn the ignition for service or repair.
  • Page 20 INSTRUCTION SHEET SENSING UNIT MAINTENANCE/SERVICE REMOTE MOUNTED "POTTED" ELECTRONIC SENSING UNIT SENSING UNIT ACCURACY TOLERANCE The sensing unit has an accuracy tolerance of ± 5.4 inches front to rear and ± 1 inch side to side on a 36 foot vehicle. Typical leveling results will be better. SENSING UNIT ADJUSTMENT / WITH ADJUSTING ENHANCEMENT Level the vehicle by placing a bubble level in the center of the Move the vehicle to an unlevel position and level the...
  • Page 21 INFORMATION INSERT HYDRAULIC SOLENOID VALVE INDENTIFICATION - MANUAL OPERATIONS - REPLACEMENT REPLACEMENT VALVES MAY HAVE A VALVE RELEASE NUT OR RELEASE CAM SOLENOID VALVES WITH CAM RELEASE 1 1/2" DIAMETER SOLENOID VALVE CAM RELEASE VALVE CLOSED Default position The cam release style valves are direct NOTE: The cam release may be replacements for all previous styles of rotated in any direction on the...

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