HWH 725 Series Operator's Manual
Computer-controlled leveling system; room extension systems
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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 COMPUTER-CONTROLLED
725 SERIES LEVELING SYSTEM
SPACEMAKER ROOM EXTENSION SYSTEMS
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP47963
H H
W
CORPORATION
R
AND
R
FEATURING:
Touch Panel Leveling Control
Single Step BI-AXIS Hydraulic Leveling
Straight-Acting Jacks
Pilot Air Dump
Generator Slide
HWH COMPUTERIZED LEVELING
R
EXCESS
SLOPE
AUTO
LEVEL
NOT IN
PARK/
BRAKE
AUTO
MANUAL
STORE
DUMP
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
EXTEND
MANUAL
RETRACT
RETRACT
ML47964/MP04.3374
19JAN11
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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 COMPUTER-CONTROLLED 725 SERIES LEVELING SYSTEM SPACEMAKER ROOM EXTENSION SYSTEMS FEATURING: Touch Panel Leveling Control Single Step BI-AXIS Hydraulic Leveling Straight-Acting Jacks Pilot Air Dump Generator Slide 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...
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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 GENERATOR SLIDE OPERATOR’S PANEL GENERATOR HYDRAULIC SLIDE CORPORATION GENERATOR SLIDE EXTEND CONTROL SWITCH WARNING! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. TO PREVENT INJURY OR DAMAGE KEEP PEOPLE AND OBSTRUCTIONS CLEAR OF SLIDE MECHANISM WHILE OPENING OR CLOSING. RETRACT CONTROL FUNCTIONS GENERATOR SLIDE CONTROL SWITCH: The GENERATOR SLIDE CONTROL SWITCH is a two position momentary switch Pressing the switch in the EXTEND position will extend the... -
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 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 7 "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 8 "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 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. "ACCESSORY"...
- Page 10 OPERATING PROCEDURES GENERATOR SLIDE EXTEND PROCEDURE WARNING: KEEP PEOPLE AND OBSTRUCTIONS NOTE: There is a GENERATOR SLIDE CONTROL CLEAR OF SLIDE WHEN OPERATING. SWITCH in the left front electrical bay. NOTE:Make sure there is adequate clearance to fully extend IMPORTANT: Do not hold the GENERATOR SLIDE the slide.
- Page 11 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.
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Page 12: 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 13 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 14 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 15 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 16 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 17 HYDRAULIC LINE CONNECTION DIAGRAM GENERATOR SLIDE CYLINDER ROD END CONNECTION GENERATOR SLIDE CYLINDER RETRACT GEN SLIDE TO CHECK OIL LEVEL CAP END CONNECTION GEN SLIDE CYLINDER RETRACT VALVE GEN SLIDE CYLINDER EXTEND VALVE BREATHER/ VALVE FILLER CAP RELEASE VALVE RELEASE MP64.7520 17JAN11 NOTE: LEVELING MANIFOLD NOT SHOWN...
- Page 18 ELECTRICAL CONNECTION DIAGRAM 725 SERIES SINGLE STEP LEVELING SYSTEM W/PILOT AIR DUMP JACK WARNING SWITCHES AND PRESSURE SWITCHES PRESSURE PRESSURE SWITCH SWITCH WARNING WARNING SWITCH SWITCH 6235 2000 1000 6235 1200 2200 TOUCH PANEL SEE ELECTRICAL CONNECTION DIAGRAM LEVELING SYSTEM HYDRAULIC MANIFOLD...
- Page 19 ELECTRICAL CONNECTION DIAGRAM MULTIPLEXED INPUT/OUTPUT MODULE - BLACK STRIKE CONNECTOR 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...
- Page 20 ELECTRICAL CONNECTION DIAGRAM MULTIPLEXED INPUT/OUTPUT MODULE - GRAY AMPSEAL CONNECTOR 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 FRONT VIEW...
- Page 21 TO GROUND STUD DEUTSCH CONNECTOR ON PUMP (6230) EXISTING CONNECTOR MAY BE DIFFERENT TOUCH PANEL HARNESS SEE ELECTRICAL CONNECTION DIAGRAM - 725 SERIES SINGLE STEP LEVELING FUSE SYSTEM - PILOT AIR DUMP 40 AMP GND 6231 DUMP 9300 TRAVEL 9301...
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Page 22: Electrical Connection Diagram
6100 8601 SEE ELECTRICAL CONNECTION DIAGRAM GENERATOR SLIDE GENERATOR SLIDE CONTROL CONNECTIONS SEE ELECTRICAL CONNECTION DIAGRAM 8601 725 SERIES SINGLE STEP LEVELING SYSTEM PUMP JACK WARNING SWITCHES AND PRESSURE SWITCHES REQUEST FUSE NOTE: LEVELING SYSTEM 15 AMP MANIFOLD NOT SHOWN. - Page 23 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 24 ELECTRICAL CONNECTION DIAGRAM GENERATOR SLIDE GENERATOR SLIDE CONTROL CONNECTIONS ROOM CONTROL PANEL ROOM CONTROL PANEL REVERSE GENERATOR HYDRAULIC SLIDE CORPORATION EXTEND 5000 WARNING! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. 6810 TO PREVENT INJURY OR DAMAGE KEEP PEOPLE AND OBSTRUCTIONS CLEAR OF SLIDE MECHANISM WHILE OPENING OR CLOSING.
- 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...