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HWH 625S SERIES Operator's Manual

Computer-controlled leveling system and spacemaker room extension systems
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Download this manual See also: Service Manual
OPERATOR'S MANUAL
HWH COMPUTER-CONTROLLED
625S SERIES LEVELING SYSTEM
SPACEMAKER ROOM EXTENSION SYSTEMS
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP36766
H H
W
CORPORATION
R
AND
R
FEATURING:
Touch Panel Leveling Control
BI-AXIS Hydraulic Leveling
R
Straight-Acting Jacks
With Auto Pilot Dump
Multiple Room Extensions
HWH COMPUTERIZED LEVELING
R
EXCESS
SLOPE
EXTEND
AUTO
LEVEL
NOT IN
PARK/
BRAKE
AUTO
MANUAL
STORE
DUMP
RETRACT
TRAVEL
EMERGENCY
MODE
STOP
CAUTION!
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
ML36767/MP05.6019
16AUG17

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Summary of Contents for HWH 625S SERIES

  • Page 1 CORPORATION OPERATOR’S MANUAL HWH COMPUTER-CONTROLLED 625S SERIES LEVELING SYSTEM SPACEMAKER ROOM EXTENSION SYSTEMS FEATURING: Touch Panel Leveling Control BI-AXIS Hydraulic Leveling Straight-Acting Jacks With Auto Pilot Dump Multiple Room Extensions HWH COMPUTERIZED LEVELING EXCESS SLOPE EXTEND EXTEND AUTO LEVEL NOT IN...

  • Page 2: How To Obtain Warranty Service

    HWH CORPORATION personnel will contact you to the problem quickly. If the dealer has difficulty solving determine whether or not your claim is valid. If it is, HWH the problem, he should immediately contact the Customer CORPORATION will authorize repair or replacement of the Service Department, at HWH CORPORATION.

  • Page 3: Control Functions

    "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 Indicator light (4) red SLOPE EXTEND EXTEND AUTO LEVEL...

  • 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 IMPORTANT: During the Automatic Leveling procedures, support the vehicle. pushing the "AUTO LEVEL", "AUTO STORE" or the "EMERGENCY STOP" button on the HWH touch panel CAUTION: PRIOR TO PUSHING THE "AUTO LEVEL" will stop the automatic leveling function.
  • Page 7 "EMERGENCY STOP", "AUTO LEVEL" or the "AUTO The store indicator light will flash and the jacks down STORE" button on the HWH touch panel or engaging buzzer will sound as the vehicle suspension returns to ride the remote AUTO LEVEL/STORE toggle switch during height and the jacks retract.
  • 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. Any jack not used for leveling can be "ACCESSORY"...
  • Page 9 NOTE: If the MANUAL RETRACT WINCH is attached to room. DO NOT reverse direction of the room, contact the room remove it before extending the room. HWH Customer Service for assistance 1-800-321-3494. CAUTION: KEEP PEOPLE AND OBSTRUCTIONS NOTE: Releasing the ROOM CONTROL SWITCH will CLEAR OF ROOM WHEN OPERATING.
  • Page 10 IMPORTANT: If at any stage something is not THE ROOM. understood or if the room begins to bind DO NOT force the room, contact HWH Customer Service for assistance 1. Determine which extend and retract solenoid valves are 1-800-321-3494. assigned to the room. Manually open the valve release nuts IMPORTANT: DO NOT EXTEND THE ROOM for the extend and retract solenoid valves by turning the 1/4"...

  • Page 11: Maintenance

    Dexron automatic transmission fluid contains red dye and can cause staining should a leak occur. DO NOT USE All four jacks and any HWH room extension or generator brake fluid or hydraulic jack fluid. Use of these can damage slide should be completely retracted before checking the seals.
  • Page 12 Move the adjustment for that light very, very, slightly in qualified RV repair center, your vehicle or coach the OPPOSITE direction that is given in the above manufacturer, or HWH CORPORATION for service or repair. instructions for LED’s A, B, C, and D. This will allow MP45.3259 07MAY09 MP44.1501...
  • Page 13 HYDRAULIC LINE CONNECTION DIAGRAM 625 OR 625S SERIES LEVELING SYSTEMS (WITH 4 STRAIGHT-ACTING JACKS) NOTE: BEFORE OPERATING ANY MANUAL VALVE RELEASE READ AND UNDERSTAND PROCEDURE FOR MANUAL JACK RETRACTION IN OPERATOR’S INSTRUCTIONS. THIS MANIFOLD IS SHOWN WITH (1) LARGE VALVE WITH A VALVE RELEASE "T"-HANDLE, (2) SMALL VALVES WITH VALVE RELEASE NUTS...

  • Page 14: Hydraulic Schematic Diagram

    HYDRAULIC SCHEMATIC DIAGRAM 625 - 625S - 725 SERIES LEVELING SYSTEM SHUTTLE VALVE 50 PSI SWITCH MAY NOT 800 PSI TO LEVELING SYSTEM STEEL TUBE SHIFT SHUTTLE BE ON ALL SOLENOID MANIFOLD ASSEMBLY 625 MANIFOLDS VALVE 3000 PSI SWITCH JACK SOLENOID VALVES (4) 50 PSI SWITCH...
  • Page 15 HYDRAULIC LINE CONNECTION DIAGRAM MULTIPLE EXTENSIONS ROOM 1 (DRIVER SIDE FRONT) ROOM 3 (PASSENGER SIDE FRONT) RETRACT ROOM TO CHECK OIL LEVEL RETRACT ROOM TO CHECK OIL LEVEL SEE HYDRAULIC LINE SEE HYDRAULIC LINE ROD END ROD END CONNECTION DIAGRAMS CONNECTION DIAGRAMS CONNECTION - B CONNECTION - B...
  • Page 16 CYLINDER MUST BE THE SAME LENGTH AND DIAMETER. THE B1 LINES MUST BE HIGH PRESSURE HOSE. NOTE: DIFFERENT TYPES OF HOSE, ESPECIALLY HIGH PRESSURE HOSE, HAS BEEN USED. THE PRINTING ON A 1/8" OR 3/16" HOSE BEING REPLACED MUST MATCH THE ORIGINAL HOSE. ALL HWH 1/4" HOSE IS THE SAME. VIEW 1 * ROD END...
  • Page 17 HYDRAULIC LINE CONNECTION DIAGRAM SINGLE CYLINDER "GUIDED" ROOM EXTENSION NOTE: THE ROD END CONNECTION FROM THE MANIFOLD TO THE ROOM CYLINDER IS ALWAYS PRESSURIZED. CAP END ROD END CONNECTION - A CONNECTION - B CYLINDER EXTEND - ROOM EXTEND CYLINDER RETRACT - ROOM RETRACT CHECK OIL LEVEL WITH ROOM RETRACTED.
  • Page 18 HYDRAULIC FLOW DIAGRAM VERTICAL ARM OR DUAL CYLINDER ROOM EXTENSION WITH SYNCHRONIZING CYLINDER STATIONARY POSITION FRONT CYLINDER FIXED TO VEHICLE SYNCHRONIZING VALVE SYNCHRONIZING VALVE SYNCHRONIZING CYLINDER FIXED TO VEHICLE REAR CYLINDER CYLINDER CYLINDER EXTEND RETRACT VALVE VALVE RETURN PRESSURE MP65.9455 10NOV03...
  • Page 19 HYDRAULIC FLOW DIAGRAM SINGLE CYLINDER ROOM EXTENSION STATIONARY POSITION FIXED TO VEHICLE CYLINDER CYLINDER CYLINDER EXTEND RETRACT VALVE VALVE CHECK VALVE RETURN PRESSURE MP65.9459 06NOV02...
  • Page 20 625 SERIES LEVELING SYSTEM AIR DUMP - PARK BRAKE - MASTER WARNING LIGHT AND BUZZER TOUCH PANEL - JACK WARNING LIGHTS AND PRESSURE SWITCHES PRESSURE PRESSURE TOUCH PANEL SWITCH SWITCH HWH COMPUTERIZED LEVELING EXCESS SLOPE LEVEL WARNING WARNING NOT IN PARK/...
  • Page 21 ELECTRICAL CONNECTION DIAGRAM 625 OR 625S SERIES LEVELING SYSTEMS LEVELING MANIFOLD PUMP AND MASTER RELAYS TO 50 LB PRESSURE SWITCH - 8101 LEVELING MANIFOLD 3400 9300 SEE ELECTRICAL 7601 CONNECTION 9301 DIAGRAM 2400 6230 625 SERIES LEVELING 7600 SYSTEM - AIR DUMP...
  • Page 22 ELECTRICAL CONNECTION DIAGRAM 625 SERIES 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 EMERGENCY STOP CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.

  • Page 23: Electrical Connection Diagram

    ELECTRICAL CONNECTION DIAGRAM 625 OR 625S SERIES LEVELING SYSTEMS CONTROL BOX CONNECTION INFORMATION 12 PIN BROWN PIN 12 PIN 1 PIN 1 12 PIN PIN 1 PIN 12 BLACK 12 PIN PIN 1 8 PIN GRAY PIN 4 BLACK PIN 12...
  • Page 24 ELECTRICAL CONNECTION DIAGRAM 625 OR 625S SERIES LEVELING SYSTEMS CONTROL BOX - LED - FUSE LOCATION AND DESCRIPTION RELAY DESCRIPTION FUSE 1-YELLOW RIGHT REAR COIL 2-RED RIGHT REAR OUTPUT F1 - 15 AMP 3-YELLOW LEFT REAR COIL 4-RED LEFT REAR OUTPUT...
  • Page 25 ELECTRICAL CONNECTION DIAGRAM MULTIPLE ROOM EXTENSIONS TOP VIEW TO HWH GROUND 6245 6246 STUD ON PUMP 5052 5152 5051 5151 5050 5150 6810 12 PIN BROWN 1E - ROOM 1 CYL EXTEND - ROOM EXTEND 12 PIN GREEN 1R - ROOM 1 CYL RETRACT - ROOM RETRACT...
  • Page 26 ELECTRICAL CONNECTION DIAGRAM MULTIPLE ROOM EXTENSIONS CONTROL BOX CONNECTION INFORMATION - (PAGE 1 OF 2) 12 PIN PIN 1 PIN 12 GREEN WIRE WIRE PIN # WIRE DESCRIPTION AND FUNCTION COLOR NUMBER GREEN CONNECTOR 12 PIN GREEN CONNECTOR BLACK 5050 SWITCHED +12 FOR ROOM 1 CYL EXT SOLENOID VALVE BLACK 5150...
  • Page 27 WINNEBAGO (DR) PIN 2 - HWH (BLACK 5100) - ROOM 1 RETRACT WINNEBAGO (DU) PIN 3 - HWH (BLACK 6810) - ROOM 1 SWITCHED BATTERY WINNEBAGO (CCZ) PIN 4 - HWH (BLACK 5001) - ROOM 2 EXTEND ROOM CONTROL SWITCHES...
  • Page 28 ELECTRICAL CONNECTION DIAGRAM MULTIPLE ROOM EXTENSIONS CONTROL BOX CONNECTION INFORMATION - (PAGE 2 OF 2) 12 PIN BLACK PIN 1 PIN 12 12 PIN BLACK PIN 1 PIN 12 LEVEL SENSOR ADJUSTMENT WIRE WIRE PIN # WIRE DESCRIPTION AND FUNCTION COLOR NUMBER CN2 - 12 PIN BLACK CONNECTOR (SIDE MOUNTED)
  • Page 29 BREATHER CAP - DIPSTICK - 1/4" NUT DRIVER 1 1/2" DIAMETER VALVE RELEASE SOLENOID VALVE NOTE: DO NOT turn the valve release nut more than 4 and 1/2 (four and one half) turns counter clockwise. Damage to the valve may result. VALVE RELEASE PLASTIC PLUG 2 1/4"...

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