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HWH 625 SERIES Operator's Manual
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HWH 625 SERIES Operator's Manual

Computer-controlled leveling system and spacemaker room extension systems
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OPERATOR'S MANUAL
HWH COMPUTER-CONTROLLED
625 SERIES LEVELING SYSTEM
SPACEMAKER ROOM EXTENSION SYSTEMS
One - Dual Cylinder "In Floor" Slide (With Synchronizing Cylinder)
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP33372
H H
W
CORPORATION
R
AND
R
FEATURING:
Touch Panel Leveling Control
BI-AXIS Hydraulic Leveling
R
Straight-Acting Jacks
Pilot Operated Suspension Air Dump
Two - Single Cylinder "In Floor" Slides
One - Single Cylinder Bed Slide
One - Single Cylinder Generator Slide
HWH COMPUTERIZED LEVELING
R
EXCESS
SLOPE
LEVEL
HYD
LUBE
NOT IN
PARK/
BRAKE
STEP
STORE DUMP
TRAVEL
MODE
OFF
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
ML33373/MP05.600K
12MAY04

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Summary of Contents for HWH 625 SERIES

  • Page 1 CORPORATION OPERATOR’S MANUAL HWH COMPUTER-CONTROLLED 625 SERIES LEVELING SYSTEM SPACEMAKER ROOM EXTENSION SYSTEMS FEATURING: Touch Panel Leveling Control BI-AXIS Hydraulic Leveling Straight-Acting Jacks Pilot Operated Suspension Air Dump One - Dual Cylinder "In Floor" Slide (With Synchronizing Cylinder) Two - Single Cylinder "In Floor" Slides...

  • 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

    CONTROL IDENTIFICATION 625 SERIES LEVELING SYSTEM COMPUTER-CONTROL "EXCESS SLOPE" FRONT RETRACT BUTTON LIGHT "NOT IN PARK" LIGHT FRONT EXTEND BUTTON ON LIGHT HWH COMPUTERIZED LEVELING WARNING LIGHTS "LEVEL" (HYD) BUTTON (4- Red) EXCESS LEVEL SLOPE STORE LIGHT RIGHT SIDE EXTEND BUTTON...

  • Page 4: Control Identification

    CONTROL IDENTIFICATION ROOMS WITH TRAVEL CLAMPS ROOM OPERATOR’S PANEL TRAVEL CLAMPS ENGAGED TRAVEL CLAMPS ENGAGED INDICATOR LIGHT INDICATOR LIGHT WHEN RETRACTING THE ROOM RELEASE SWITCH WHEN BOTH LIGHTS COME ON CORPORATION HYDRAULIC ROOM EXTENSION ROOM CONTROL KEY SWITCH ROOM EXTEND SWITCH CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE...
  • Page 5 CONTROL IDENTIFICATION ROOMS WITHOUT TRAVEL CLAMPS ROOM OPERATOR’S PANEL CORPORATION HYDRAULIC ROOM EXTENSION ROOM CONTROL EXTEND KEY SWITCH SWITCH CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. KEEP PEOPLE AND OBSTRUCTIONS RETRACT CLEAR OF ROOM WHEN OPERATING. CONTROL FUNCTIONS KEY SWITCH: The KEY SWITCH controls power to the ROOM ROOM CONTROL SWITCH: The ROOM CONTROL SWITCH CONTROL SWITCH.

  • Page 6: 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 7: 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 "HYD" button extensions, awnings, doors, steps, etc. Vehicle may move in is pressed, the "NOT IN PARK/BRAKE" light will come on. any direction due to jacks extending or retracting, settling of When the "HYD"...
  • Page 8 OPERATING PROCEDURES 625 SERIES LEVELING SYSTEM AUTOMATIC HYDRAULIC LEVELING 1. Place transmission in the recommended position for The system will automatically extend the jacks to level the parking vehicle and set parking brake. Turn the coach vehicle and then extend any remaining jacks for stabilizing.
  • 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 Use the manual valve release for retracting the jacks only removed to gain access. Open valve 1-1/2 to 2 full turns. if the STORE feature on the HWH control panel will not DO NOT turn the 1/4" valve release nut more than retract the jacks.
  • Page 11 DO NOT reverse direction of the room, contact CAUTION: KEEP PEOPLE AND OBSTRUCTIONS HWH Customer Service for assistance 1-800-321-3494. CLEAR OF ROOM WHEN OPERATING. NOTE: Releasing the ROOM CONTROL SWITCH will NOTE: Make sure there is adequate clearance to fully halt the operation of the room.
  • Page 12 DO NOT 2. Turn the ignition switch to ACCESSORY. force the room. DO NOT reverse direction of the room, contact HWH Customer Service for assistance 3. Turn the room control panel KEY SWITCH 1-800-321-3494.
  • Page 13 DO NOT force the 3. Unlock all room-locking devices. room. DO NOT reverse direction of the room, contact HWH Customer Service for assistance 1-800-321-3494. NOTE: If the MANUAL RETRACT WINCH is attached to the room remove it before extending the room.
  • Page 14 DO NOT reverse direction of the room, contact 1. The park brake must be set. The room will not operate HWH Customer Service for assistance 1-800-321-3494. if the park brake is not set. NOTE: Releasing the ROOM CONTROL SWITCH will 2.
  • Page 15 CONTROL SWITCH in the "RETRACT" position. When the slide is fully retracted, release the GENERATOR SLIDE CON- IN THE EVENT OF FAILURE OF THE GENERATOR SLIDE TROL SWITCH. TO RETRACT, CONTACT HWH CORPORATION CUSTOM- ER SERVICE AT 1-319-724-3396 OR 1-800-321-3494 FOR ASSISTANCE. MP35.4724...
  • Page 16 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.

  • Page 17: 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 18 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 19 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 AND (1) LARGE VALVE WITH A VALVE RELEASE NUT.

  • Page 20: 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 21 HYDRAULIC LINE CONNECTION DIAGRAM MULTIPLE EXTENSIONS AND A GENERATOR SLIDE GENERATOR SLIDE ROD END CAP END CAP END RETRACT GEN SLIDE CONNECTION - A CONNECTION - A TO CHECK OIL LEVEL ROOM 1 (DRIVER SIDE FRONT) ROOM 4 (PASSENGER SIDE RETRACT ROOM TO CAP END CAP END...
  • Page 22 HYDRAULIC LINE CONNECTION DIAGRAM DUAL CYLINDER "IN FLOOR" ROOM EXTENSION (WITH SYNCHRONIZING CYLINDER) SINGLE CYLINDER "IN FLOOR" ROOM EXTENSION DUAL CYLINDER "IN FLOOR" ROOM EXTENSION (WITH SYNCHRONIZING CYLINDER) CAP END ROD END CAP END CONNECTION - A ROD END CONNECTION - B CAP END ROD END CYLINDER EXTEND - ROOM EXTEND...
  • Page 23 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 24 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 25 ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM PILOT 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...
  • Page 26 7600 SYSTEM - AIR DUMP 1400 6240 TO HWH 4400 GROUND STUD 6240 TO HWH GROUND STUD - 6240 TO 3000 LB PRESSURE SWITCH - 8100 12 PIN BROWN NOTE: ROOM EXTENSION MANIFOLD NOT SHOWN 12 PIN BLACK 4 PIN...

  • Page 27: Electrical Connection Diagram

    NOTE: THE TRAVEL RELAY IS NOT USED ON IF THE YELLOW LED’S ARE WORKING BUT NO RED LED VEHICLES EQUIPPED WITH HWH AIR DUMP SYSTEMS. IS COMING ON THERE MAY BE PROBLEM WITH INPUT IT IS ONLY USED WITH PILOT OPERATED AIR DUMP VOLTAGE IN THE 4-PIN CONNECTOR.
  • Page 28 ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM TOUCH PANEL CONNECTIONS HWH COMPUTERIZED LEVELING EXCESS SLOPE LEVEL NOT IN PARK/ BRAKE STORE DUMP TRAVEL MODE CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
  • Page 29 SWITCHED +12V BATTERY POWER FROM MASTER RELAY BLACK 6800 SWITCHED +12V BATTERY POWER FROM MASTER RELAY WHITE 6230 GROUND FROM HWH GROUND STUD +12 BATTERY FROM MASTER RELAY 6100 12 PIN BROWN CONNECTOR - CN3 BLACK 8500 MASTER RELAY CONTROL - SWITCHED +12...
  • Page 30 ELECTRICAL CONNECTION DIAGRAM ROOM EXTENSION CONTROLS +12 BATTERY SEE ELECTRICAL PROVIDED FUSE CONNECTION DIAGRAM BY OEM 40 AMP ROOM EXTENSION MANIFOLD CONNECTION GROUND 6100 ROOM 4 PROVIDED 6230 BY OEM GLASS COVER GREEN BLACK 12 PIN 12 PIN FUSE 40 AMP +12 BATTERY PROVIDED BY OEM...
  • Page 31 4E - ROOM 4 CYL EXTEND - ROOM EXTEND 4R - ROOM 4 CYL RETRACT - ROOM RETRACT 5E - GEN CYL EXTEND - SLIDE EXTEND 5R - GEN CYL RETRACT - SLIDE RETRACT TO HWH GROUND 6246 6248 STUD ON...
  • Page 32 4E - ROOM 4 CYL EXTEND - ROOM EXTEND 4R - ROOM 4 CYL RETRACT - ROOM RETRACT 5E - GEN CYL EXTEND - SLIDE EXTEND 5R - GEN CYL RETRACT - SLIDE RETRACT TO HWH GROUND STUD ON PUMP 6245 6245...
  • Page 33 ELECTRICAL CONNECTION DIAGRAM MULTIPLE ROOM EXTENSIONS CONTROL BOX CONNECTION INFORMATION - (PAGE 1 OF 3) 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 34 ELECTRICAL CONNECTION DIAGRAM MULTIPLE ROOM EXTENSIONS CONTROL BOX CONNECTION INFORMATION - (PAGE 2 OF 3) 12 PIN BLACK PIN 12 PIN 1 12 PIN BLACK PIN 12 PIN 1 LEVEL SENSOR ADJUSTMENT WIRE WIRE PIN # WIRE DESCRIPTION AND FUNCTION COLOR NUMBER 12 PIN BLACK CONNECTOR...
  • Page 35 ELECTRICAL CONNECTION DIAGRAM MULTIPLE ROOM EXTENSIONS CONTROL BOX CONNECTION INFORMATION - (PAGE 3 OF 3) 12 PIN GREEN PIN 1 PIN 12 12 PIN BLACK PIN 1 PIN 12 LEVEL SENSOR ADJUSTMENT WIRE WIRE PIN # WIRE DESCRIPTION AND FUNCTION COLOR NUMBER 12 PIN BLACK CONNECTOR...
  • Page 36 ELECTRICAL CONNECTION DIAGRAM ROOM CLAMP CONNECTIONS ROOM 1 - ROOM 2 - ROOM 4 ROOM CONTROL PANEL ROOMS WITH TRAVEL CLAMPS (REVERSE) ROOM CONTROL PANEL WHEN RETRACTING THE ROOM RELEASE SWITCH WHEN BOTH LIGHTS COME ON NOTE: CONNECTIONS CORPORATION ARE THE SAME FOR HYDRAULIC ROOM EXTENSION ROOMS 1,2 AND 4.
  • Page 37 ELECTRICAL CONNECTION DIAGRAM ROOM CONTROL PANEL - TRAVEL CLAMP CONTROL BOX - PIN OUTS ROOM CONTROL PANEL WIRE WIRE PIN # WIRE DESCRIPTION AND FUNCTION COLOR NUMBER 6 PIN UML CONNECTOR BLACK 5202 GROUND FOR ROOM PANEL INDICATOR LIGHTS RETRACT ONLY 6100 +12 BATTERY TO ROOM CONTROL PANEL BLACK...
  • Page 38 ELECTRICAL CONNECTION DIAGRAM ROOM 3 CONTROL PANEL CONNECTIONS ROOM 3 CONTROL PANEL CORPORATION HYDRAULIC ROOM EXTENSION ROOM EXTEND KEY SWITCH ROOM CONTROL SWITCH CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. KEEP PEOPLE AND OBSTRUCTIONS ROOM RETRACT CLEAR OF ROOM WHEN OPERATING. ROOM CONTROL SWITCH...
  • Page 39 ELECTRICAL CONNECTION DIAGRAM GENERATOR SLIDE CONTROL SWITCH CONNECTIONS DPDT SWITCH SUPPLIED BY O.E.M. GENERATOR SLIDE CONTROL SWITCH PUMP PUMP 6813 6101 5104 5004 8601 TO CN2 ON SIDE OF CONTROL BOX MP85.223C 04FEB04...
  • Page 40 MASTER LIGHT/BUZZER CONNECTION DIAGRAM MANUAL LEVELING SYSTEMS 625 SERIES LEVELING SYSTEM 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 41 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"...