HWH 625S Series Operator's Manual
Computer-controlled
hydraulic leveling system.
single touch - touch panel leveling control
bi-axis hydraulic leveling
straight-acting jacks
step mechanism
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Also See for 625S Series:
- Service manual (41 pages) ,
- Operator's manual (29 pages) ,
- Operator's manual (19 pages)
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OPERATOR'S MANUAL
HWH 625S Series, Computer-Controlled
R
Hydraulic Leveling System
Single Touch - Touch Panel Leveling Control
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP52787
H H
W
CORPORATION
FEATURING:
BI-AXIS Hydraulic Leveling
R
Straight-Acting Jacks
Step Mechanism
HWH COMPUTERIZED LEVELING
R
EXCESS
SLOPE
EXTEND
AUTO
LEVEL
NOT IN
PARK/
BRAKE
AUTO
STORE
RETRACT
TRAVEL
MODE
EMERGENCY
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
ML52788/MP04.2808
24OCT13
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Table of Contents
Related Manuals for HWH 625S Series
Summary of Contents for HWH 625S Series
- Page 1 CORPORATION OPERATOR’S MANUAL HWH 625S Series, Computer-Controlled Hydraulic Leveling System FEATURING: Single Touch - Touch Panel Leveling Control BI-AXIS Hydraulic Leveling Straight-Acting Jacks Step Mechanism HWH COMPUTERIZED LEVELING EXCESS SLOPE EXTEND EXTEND AUTO LEVEL NOT IN MANUAL PARK/ BRAKE AUTO...
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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 Identification
625S / 725 / 2000 SERIES LEVELING SYSTEM COMPUTER-CONTROL "EXCESS SLOPE" Indicator light LOWER FRONT Manual button "NOT IN PARK" Indicator light RAISE FRONT Manual button HWH COMPUTERIZED LEVELING JACK DOWN AUTO LEVEL Indicator light Indicator light (4) red EXCESS SLOPE "AUTO LEVEL"... -
Page 4: Pump Run Time
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 SLOPE" light will remain on if the ignition is in the "ON" or "CANCEL" button on the HWH touch panel will "ACC" position, until the jacks have been fully retracted stop the automatic leveling function.
- 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 desired, the jacks can be stored with the ignition key stop the automatic store function.
- Page 8 OPERATING PROCEDURES MANUAL HYDRAULIC OPERATION 1. Place transmission in the recommended position for parking Any jack not used for leveling can be extended to the the vehicle, and set the parking brake. Turn the ignition to the ground. This provides additional stability against wind and "ACCESSORY"...
- Page 9 Refer to the vehicle manufacturer for step. If direction of movement is reversed, be careful to information concerning a master power switch. not damage the steps or handrail. Contact HWH Customer Service for assistance 1-800-321-3494. 2. Unlock all locking devices.
- Page 10 DO NOT force the step. If the direction STARTS TO RETRACT. of movement is reversed, be careful to not damage the step or handrail. Contact HWH Customer Service for It is recommended to retract step assistance 1-800-321-3494. extensions before retracting jacks.
- Page 11 OPERATING PROCEDURES MANUAL STEP RETRACT PROCEDURES If the system is equipped with an auxiliary pump run switch or an auxiliary hand pump, refer to the "OPERATING PROCEDURES" pages for the pump run switch or hand pump before using the manual step retract procedure. Use this procedure if a step control switch does not work only if the main pump or hand pump will not retract the step.
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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 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 MP44.1501 20APR09 MP45.3259...
- 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 RETURN PRESSURE LEVELING SYSTEM...
- Page 17 HYDRAULIC LINE CONNECTION DIAGRAM STEP MECHANISM CAP END NOTE: EACH STEP IS PLUMBED AS SHOWN TO AN INDIVIDUAL REVERSIBLE PUMP STEP CYLINDER RETRACT VALVE STEP CYLINDER EXTEND VALVE BREATHER/ FILLER CAP VALVE VALVE RELEASE RELEASE MP64.9500B 24OCT13 NOTE: LEVELING MANIFOLD NOT SHOWN...
- Page 18 ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM 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 EXTEND EXTEND WARNING AUTO WARNING LEVEL...
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Page 19: Section Iv - Electrical Connection Diagram
SECTION IV - ELECTRICAL CONNECTION DIAGRAM 625 OR 625S SERIES LEVELING SYSTEM LEVELING MANIFOLD - PUMP AND MASTER RELAYS TO 50 LB PRESSURE SWITCH - 8101 LEVELING MANIFOLD 3400 7601 2400 7600 1400 6240 4400 6240 TO HWH GROUND STUD - 6240... - Page 20 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 STORE RETRACT RETRACT TRAVEL EMERGENCY MODE STOP CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
- Page 21 6800 SWITCHED +12V BATTERY POWER FROM MASTER RELAY BLACK 6800 SWITCHED +12V BATTERY POWER FROM MASTER RELAY WHITE 6230 GROUND FROM HWH GROUND STUD GROUND FROM HWH GROUND STUD WHITE 6230 12 PIN BROWN CONNECTOR BLACK 8500 MASTER RELAY CONTROL - SWITCHED +12...
- Page 22 ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM 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 F2 - 15 AMP 5-YELLOW RIGHT FRONT COIL 6-RED...
- Page 23 ELECTRICAL CONNECTION DIAGRAM STEP MECHANISM TOP VIEW TO HWH GROUND 6245 6246 STUD ON PUMP 5050 5150 6810 12 PIN BROWN 1E - STEP 1 CYL EXTEND - STEP EXTEND 12 PIN GREEN 1R - STEP 1 CYL RETRACT - STEP RETRACT...
- Page 24 ELECTRICAL CONNECTION DIAGRAM STEP MECHANISM CONTROL BOX CONNECTION INFORMATION 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 SWITCHED +12 FOR ROOM 1 CYL RET SOLENOID VALVE...
- Page 25 ELECTRICAL CONNECTION DIAGRAM STEP CONTROL TOGGLE SWITCH CONTROL BOX CONNECTION INFORMATION SWITCH CONNECTIONS 1 - BLACK - 5000 - STEP EXTEND - SW. +12 2 - BLACK - 6810 - SW. +12 FROM PUMP RELAY 3 - BLACK - 5100 - STEP RETRACT - SW. +12 4 - BLACK - 8601 - PUMP CONTROL - SW.
- Page 26 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.