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HWH 725 SERIES Operator's Manual

Leveleze single-step computer-controlled hydraulic leveling system
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OPERATOR'S MANUAL
HWH 725 SERIES, LEVELEZE SINGLE-STEP
R
HYDRAULIC LEVELING SYSTEM
Four Straight-Acting, Power-Extend/Spring-Retract Jacks
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP54799
H H
W
CORPORATION
COMPUTER-CONTROLLED
FEATURING:
BI-AXIS Touch Panel Control
R
Multiple HWH SpaceMaker Slide-Outs
R
Optional Manual Pilot Dump
HWH COMPUTERIZED LEVELING
R
EXCESS
SLOPE
AUTO
LEVEL
NOT IN
PARK/
BRAKE
AUTO
STORE
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
R
EXTEND
MANUAL
RETRACT
R
R
EXTEND
RETRACT
ML54801/MP04.337A
13JAN15

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  • Page 1 CORPORATION OPERATOR’S MANUAL HWH 725 SERIES, LEVELEZE SINGLE-STEP COMPUTER-CONTROLLED HYDRAULIC LEVELING SYSTEM FEATURING: BI-AXIS Touch Panel Control Four Straight-Acting, Power-Extend/Spring-Retract Jacks Multiple HWH SpaceMaker Slide-Outs Optional Manual Pilot Dump HWH COMPUTERIZED LEVELING EXCESS SLOPE EXTEND EXTEND AUTO LEVEL NOT IN...
  • Page 2 IMPORTANT: IF COACH IS EQUIPPED WITH A ROOM EXTENSION, READ ROOM EXTENSION SECTION BEFORE OPERATING LEVELING SYSTEM. HWH maintains technical and information services at 800-321-3494 or 563-724-3396. Assistance is available Monday thru Friday from 8:00A.M until 5:00P.M. C.S.T. Technical and information service is also available on-line at www.hwh.com. MP14.0014 08APR10...

  • Page 3: Computer Control

    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

    Some panels may have two room control rocker switches or one room control rocker switch and one room select rocker switch. ROOM CONTROL SWITCH (FOR VEHICLES WITHOUT THE HWH ROOM CONTROL PANEL) EXTEND The ROOM CONTROL SWITCH is a two position momentary switch.

  • Page 5: Cold Weather Operations

    For cold weather information see "COLD WEATHER OPERATIONS" below. The HWH systems with a computer processor monitor the pump run time and will turn the pump off if the run time exceeds a specified time. This time can vary with different systems. Due to available electronics or system design, the pump run time programs will also vary.

  • 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 (extend jacks) that correspond to any lit yellow level indicator pushing the "AUTO LEVEL", "AUTO STORE" or the light to "bump" the vehicle up slightly to turn that yellow "CANCEL" button on the HWH touch panel will stop indicator light off. the automatic leveling function.
  • Page 8 OPERATING PROCEDURES 2000 SERIES LEVELING SYSTEM JACK RETRACTION WARNING: WARNING: THE OPERATOR MUST BE SURE THAT DO NOT MOVE THE VEHICLE WHILE THE THERE ARE NO OBJECTS UNDER THE VEHICLE AND THAT LEVELING JACKS ARE STILL IN CONTACT WITH THE GROUND ALL PEOPLE ARE CLEAR OF THE VEHICLE.
  • Page 9 OPERATING PROCEDURES MANUAL HYDRAULIC OPERATION 1. Place transmission in the recommended position for parking Jacks will extend (or retract) in pairs to raise (or lower) a side the vehicle, and set the parking brake. Turn the ignition to the or end of the vehicle. Any jack not used for leveling can be "ACCESSORY"...
  • Page 10 OPERATING PROCEDURES MANUAL JACK RETRACTION The solenoid valves on the power unit valve assembly are 4. Repeat the process for the rear jacks by opening the two equipped with a manual valve release. Use the manual valve outer valves. release for retracting only if the "AUTO STORE" button on the control panel will not retract the jacks for travel.
  • Page 11 6. If applicable, turn the room control panel key switch off. 3. If applicable, turn the vehicle ignition to the ACC position. 4. If the vehicle is equipped with HWH room control panels, IMPORTANT: Do not use a room extension support turn the panel key switch to ON.
  • Page 12 2. If applicable, turn the vehicle ignition to the ACC position. halt the operation of the room. 3. If the vehicle is equipped with HWH room control panels, 5. If applicable, turn the room control panel key switch off. turn the panel key switch to ON.
  • Page 13 A MANUAL RETRACT WINCH PROVIDED place the RATCHET LEVER in its ON position and slowly BY HWH IS EQUIPPED FOR MANUALLY RETRACTING THE rotate the WINCH HANDLE clockwise until the ROOM ONLY. IT IS NOT TO BE USED FOR LIFTING OR ANY RATCHET LEVER locks.
  • Page 14 OPENED IMPORTANT: If at any stage something is not CYLINDER CLOSE EXTEND understood or if the room begins to bind DO NOT force the room, contact HWH Customer Service for assistance 1-800-321-3494. END VIEW OF ROOM EXTENDED LIFT BOLT EXTERIOR...
  • Page 15 IMPORTANT: If at any stage something is not manual room retraction procedures. understood or if the room begins to bind DO NOT force the room, contact HWH Customer Service for assistance 1. Start both threaded rods until resistance is met, one for 1-800-321-3494.

  • Page 16: Maintenance

    ROOM EXTENSIONS The HWH room mechanisms need no maintenance. Any visible mechanism can be kept clean by washing DO NOT grease or lubricate any parts of the HWH with water. Refer to the vehicle manufacturer for mechanism. correct maintenance of the room seals.
  • Page 17 To help reduce the corrosion of jacks after exposure to anti- continue to absorb moisture from the air even after they icing / deicing agents, thoroughly wash jacks with warm have dried. This can facilitate corrosion of metallic soapy water. components, such as HWH jacks. MP44.0502 22NOV16...
  • Page 18 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 19 Valve size and voltage are still factors to be valve. Pushing the cam in the considered when replacing any HWH hydraulic wrong direction could damage solenoid valve. Replace a small style 12 volt the valve.

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