HWH 725 Series Operator's Manual
Computer-controlled
hydraulic leveling system.
bi-axis touch panel control
straight-acting/pivoting (power-extend/spring-retract) jacks
pilot air dump
one spacemaker platform level-out (uplo) slide-out system
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Also See for 725 Series:
- Service manual (51 pages) ,
- Operator's manual (27 pages) ,
- Operator's manual (19 pages)
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OPERATOR'S MANUAL
HWH 725 Series, Computer-Controlled
R
Hydraulic Leveling System
Straight-Acting/Pivoting (Power-Extend/Spring-Retract) Jacks
One SpaceMaker "Platform Level-Out (UPLO)" Slide-Out System
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP54063
H H
W
CORPORATION
FEATURING:
BI-AXIS Touch Panel Control
R
Pilot Air Dump
R
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
ML54062/MP04.3392
23JUL14
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Table of Contents
Related Manuals for HWH 725 Series
Summary of Contents for HWH 725 Series
- Page 1 CORPORATION OPERATOR’S MANUAL HWH 725 Series, Computer-Controlled Hydraulic Leveling System FEATURING: BI-AXIS Touch Panel Control Straight-Acting/Pivoting (Power-Extend/Spring-Retract) Jacks Pilot Air Dump One SpaceMaker "Platform Level-Out (UPLO)" Slide-Out System HWH COMPUTERIZED LEVELING EXCESS SLOPE EXTEND EXTEND AUTO LEVEL NOT IN MANUAL...
- 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...
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Page 3: Control Functions
CONTROL IDENTIFICATION 725 SERIES LEVELING SYSTEM COMPUTER-CONTROL "MANUAL DUMP" "EXCESS SLOPE" LOWER FRONT Button Indicator light AUTO LEVEL Manual button Indicator light RAISE FRONT Manual button "AUTO LEVEL" Button HWH COMPUTERIZED LEVELING JACK DOWN "NOT IN PARK" Indicator light EXCESS... -
Page 4: 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 5: Operating Procedures
OPERATING PROCEDURES GENERAL INSTRUCTIONS Maintain adequate clearance in all directions for vehicle, room If the hand / auto brake is not set when the "AUTO LEVEL" extensions, awnings, doors, steps, etc. Vehicle may move in button is pressed, the "NOT IN PARK/BRAKE" light will any direction due to jacks extending or retracting, settling of come on. - Page 6 "AUTO LEVEL", "AUTO STORE" or the (extend jacks) that correspond to any lit yellow level indicator light to "bump" the vehicle up slightly to turn that yellow "CANCEL" button on the HWH touch panel will stop the automatic leveling function. indicator light off.
- Page 7 "AUTO LEVEL", "AUTO STORE" or the the jacks have retracted to the STORE position. If "CANCEL" button on the HWH touch panel will stop desired, the jacks can be stored with the ignition key the automatic store function.
- Page 8 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. "ACCESSORY"...
- Page 9 DO NOT force the room. DO NOT reverse direction of the room, contact HWH Customer Service for assistance 1-800-321-3494. IMPORTANT: Do not use a room extension support when the vehicle is supported by the leveling system.
- Page 10 DO NOT force the room. DO NOT reverse direction of the room, contact NOTE: The park brake must be set before a room can be HWH Customer Service for assistance 1-800-321-3494. extended or retracted. NOTE: NOTE: Releasing the ROOM CONTROL will...
- Page 11 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. DO NOT RETRACT LIFT BOLT UNTIL YOU HAVE READ "EXTENDING ROOM AFTER SERVICE" ON NEXT PAGE. ROOM EXTENDED...
- Page 12 4. After lift bolts are retracted, push room switch to understood or if the room begins to bind DO NOT force "EXTEND" until room is fully extended and down. If the room, contact HWH Customer Service for assistance room dropped while retracting lift bolts, push room 1-800-321-3494.
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Page 13: Maintenance
Dexron automatic transmission fluid contains red dye and can cause staining should a leak occur. DO NOT USE All jacks and any HWH room extensions or steps should be brake fluid or hydraulic jack fluid. Use of these can damage completely retracted before checking the oil level. - Page 14 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 15 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 16 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.