HWH 725 Series Operator's Manual
Computer-controlled hydraulic leveling system with bi-axis touch panel control
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Also See for 725 Series:
- Service manual (51 pages) ,
- Operator's manual (27 pages) ,
- Operator's manual (25 pages)
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OPERATOR'S MANUAL
HWH 725 SERIES, COMPUTER-CONTROLLED
R
HYDRAULIC LEVELING SYSTEM
(with BI-AXIS Touch Panel Control)
Straight-Acting (Power-Extend/Spring-Retract) Jacks
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP53900
H H
W
CORPORATION
R
FEATURING:
Touch Panel Leveling Control
BI-AXIS Hydraulic Leveling
R
Pilot Air Dump
Multiple Slide-Outs W/Air Seals
Generator Slide
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
ML53901/MP04.3391
19JUN14
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Summary of Contents for HWH 725 Series
- Page 1 CORPORATION OPERATOR’S MANUAL HWH 725 SERIES, COMPUTER-CONTROLLED HYDRAULIC LEVELING SYSTEM (with BI-AXIS Touch Panel Control) FEATURING: Touch Panel Leveling Control BI-AXIS Hydraulic Leveling Straight-Acting (Power-Extend/Spring-Retract) Jacks Pilot Air Dump Multiple Slide-Outs W/Air Seals Generator Slide HWH COMPUTERIZED LEVELING EXCESS SLOPE...
- 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: Control Identification
CONTROL IDENTIFICATION ROOM OPERATOR’S PANEL READY TO PUMP ON LIGHT OPERATE LIGHT CORPORATION FLASH / WAIT PUMP ON HYDRAULIC READY TO STEADY ROOM EXTENSION OPERATE WARNING! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. ROOM SELECTOR KEEP PEOPLE AND OBSTRUCTIONS CLEAR OF ROOM WHEN OPERATING. SWITCH KEY SWITCH DRIVER... -
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 ON or ACC. position and the park brake is set. If desired, the operator can use the UP ARROWS "CANCEL" button on the HWH touch panel will stop the automatic leveling function. (extend jacks) that correspond to any lit yellow level indicator light to "bump"...
- 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 flash rapidly. The room will still function. DIRECTION OF THE ROOM. BINDING OF ROOM CAN CAUSE ROOM DAMAGE. CONTACT HWH CORPORATION NOTE: Anytime the KEY SWITCH is on, the room CUSTOMER SERVICE FOR ASSISTANCE.
- Page 10 DO NOT FORCE THE ROOM. DO NOT REVERSE room extension and leveling system operation. DIRECTION OF THE ROOM. BINDING OF ROOM CAN CAUSE ROOM DAMAGE. CONTACT HWH CORPORATION 2. The room control panel is equipped with a room select CUSTOMER SERVICE FOR ASSISTANCE.
- Page 11 OPERATING PROCEDURES Refer to vehicle manufacturer for location of generator slide control switch. GENERATOR SLIDE EXTEND PROCEDURE WARNING: KEEP PEOPLE AND OBSTRUCTIONS 3. To extend the slide, press and hold the GENERATOR CLEAR OF SLIDE WHEN OPERATING. SLIDE CONTROL SWITCH in the "EXTEND" position. When the slide is fully extended, release the GENERATOR NOTE:Make sure there is adequate clearance to fully extend SLIDE CONTROL SWITCH.
- Page 12 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 13 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 14 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.
- Page 15 IMPORTANT: If at any stage something is not CYLINDER RELEASE CAMS understood or if the room begins to bind DO NOT force RETRACT the room, contact HWH Customer Service for assistance 1-800-321-3494. VALVE CLOSED NOTE: Leave the solenoid valves open and the...
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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 HYDRAULIC LINE CONNECTION DIAGRAM 625/725 SERIES LEVELING SYSTEM (WITH 4 STRAIGHT-ACTING JACKS) MANIFOLDS MAY HAVE FOUR (4) LARGE VALVES OR FOUR (4) SMALL VALVES NOTE: BEFORE OPERATING MANUAL VALVE RELEASE, READ AND UNDERSTAND PROCEDURE FOR MANUAL JACK RETRACTION IN OPERATOR’S INSTRUCTIONS. VALVES MAY BE EQUIPPED WITH VALVE RELEASE NUTS OR RELEASE CAMS.
- Page 20 HYDRAULIC SCHEMATIC DIAGRAM BI-AXIS LEVELING WITH STRAIGHT-ACTING JACKS 625, 625S OR 725 SERIES NOTE: 50 PSI PRESSURE SWITCH RELIEF VALVE MAY NOT BE USED ON ALL 625 MANIFOLDS. 3500 P.S.I. HYDRAULIC ROOM EXTENSION POWER UNIT MANIFOLD LOCATED HERE WHEN APPLICABLE...
- Page 21 ELECTRICAL CONNECTION DIAGRAM 725 SERIES SINGLE STEP LEVELING SYSTEM W/PILOT AIR DUMP JACK WARNING SWITCHES AND PRESSURE SWITCHES TO WARNING TO WARNING SWITCH SWITCH 6235 2000 1000 6235 TO PRESSURE TO PRESSURE SWITCH SWITCH 1200 2200 SEE ELECTRICAL CONNECTION TO ROOM...
- Page 22 ELECTRICAL CONNECTION DIAGRAM LEVELING SYSTEM MULTIPLEXED INPUT/OUTPUT MODULE LED AND WIRE/CONNECTION INFORMATION NOTE: DUMP AND TRAVEL LEDS PRESENT RIGHT REAR JACK BUT NOT ALWAYS USED RIGHT FRONT JACK LEFT FRONT JACK LEFT REAR JACK LINK LIGHT GROUND STUD PUMP RELAY DUMP TRAVEL MASTER RELAY...
- Page 23 ELECTRICAL CONNECTION DIAGRAM LEVELING SYSTEM HYDRAULIC MANIFOLD W/PILOT AIR DUMP PUMP AND MASTER RELAYS 50 LB 8101 PRESSURE 3000 LB SWITCH PRESSURE MULTIPLEX I/O MODULE SWITCH 8100 SEE DETAIL (A) 3400 PUMP 6230 RELAY (B) 2400 PUMP POWER UNIT 6230 MOTOR TOP VIEW 1400...
- Page 24 ELECTRICAL CONNECTION DIAGRAM 725 LEVELING SYSTEM TOUCH PANEL CONNECTIONS HWH COMPUTERIZED LEVELING EXCESS SLOPE EXTEND EXTEND AUTO LEVEL NOT IN MANUAL PARK/ BRAKE AUTO MANUAL STORE DUMP RETRACT RETRACT TRAVEL MODE CANCEL WARNING! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
- Page 25 ELECTRICAL CONNECTION DIAGRAM LEVEL SENSING UNIT SEE WIRE LEGEND BELOW SEE WIRE LEGEND BELOW SEE ELECTRICAL CONNECTION DIAGRAM - 725 SERIES SINGLE STEP LEVELING SYSTEM EXISTING CONNECTOR YELLOW LEDS MAY BE DIFFERENT MOUNTING / ADJUSTMENT SCREWS (3) ELECTRICAL CONNECTION DIAGRAM...
- Page 26 ELECTRICAL CONNECTION DIAGRAM MASTER WARNING LIGHT AND BUZZER A MASTER WARNING INDICATOR SHOULD ALWAYS BE USED. WHEN THE LEVELING SYSTEM HAS STRAIGHT-ACTING JACKS A WARNING BUZZER MUST BE USED. NOTE: BY SUPPLYING IGNITION POWER TO THE WARNING BUZZER AND LIGHT, AND "ACC" POWER TO THE CONTROL BOX, THE SYSTEM MAY BE OPERATED IN ACCESSORY WITHOUT THE BUZZER SOUNDING.
- Page 27 INFORMATION/INSTRUCTION SHEET HYDRAULIC SOLENOID VALVE INDENTIFICATION - MANUAL OPERATIONS - REPLACEMENT REPLACEMENT VALVES WILL HAVE A VALVE RELEASE CAM SOLENOID VALVES WITH CAM RELEASE BREATHER CAP W/NUT DRIVER 1 1/2" DIAMETER SOLENOID VALVE CAM RELEASE VALVE CLOSED Default position THE BREATHER CAP IS NOTE: The cam release may be LOCATED ON THE TOP rotated in any direction on the...