HWH 325 Series Operator's Manual

Touch panel-controlled stabilizing system, touch panel control, hydraulic stabilizing, two straight-acting jacks
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H H
W
CORPORATION
R
OPERATOR'S MANUAL
HWH TOUCH PANEL-CONTROLLED
R
325 SERIES STABILIZING SYSTEM
FEATURING:
Touch Panel Control
Hydraulic Stabilizing
Two Straight-Acting Jacks
HWH HYDRAULIC JACK CONTROL
R
ON
PARK BRAKE MUST
BE SET TO OPERATE
STORE
JACK DOWN
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
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
www.hwh.com
ML39001/MP05.7123
18DEC06

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Summary of Contents for HWH 325 Series

  • Page 1 CORPORATION OPERATOR’S MANUAL HWH TOUCH PANEL-CONTROLLED 325 SERIES STABILIZING SYSTEM FEATURING: Touch Panel Control Hydraulic Stabilizing Two Straight-Acting Jacks HWH HYDRAULIC JACK CONTROL PARK BRAKE MUST BE SET TO OPERATE STORE JACK DOWN CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
  • 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

    CONTROL IDENTIFICATION LEFT SIDE EXTEND Button HWH HYDRAULIC JACK CONTROL POWER ON Light RIGHT SIDE "ON" EXTEND Button Button STORE PARK BRAKE MUST Indicator Light BE SET TO OPERATE "STORE" STORE Button JACK DOWN "OFF" CAUTION! Button RIGHT SIDE RETRACT UNDERSTAND OPERATOR’S MANUAL BEFORE USING.
  • Page 4: Operating Procedures

    OPERATING PROCEDURES SITE SELECTION Choose a fairly level area for parking as leveling capabilities move in any direction due to jack extending or retracting, with a two jack system is very limited. Maintain adequate settling of jacks or vehicle, equipment malfunction, etc. clearance in all directions for vehicle, specialty equipment, If parking on soft ground or asphalt paving, a wood block room extensions, awnings, doors steps, etc.
  • Page 5 OPERATING PROCEDURES RETRACT PROCEDURES IMPORTANT: It is recommended to not retract the DO NOT RELY SOLELY UPON WARNING LIGHTS. IT IS stabilizing system until all rooms are fully retracted THE OPERATOR’S RESPONSIBILITY TO CHECK THAT and any specialty equipment is stored. ALL JACKS ARE FULLY RETRACTED INTO THE STORE/TRAVEL POSITION.
  • Page 6 OPERATING PROCEDURES MANUAL JACK RETRACTION (2 Jack Systems with Valve Release Nuts) NOTE: Use the Valve Release Nuts for retracting only if NOTE: Prior to APRIL 2002 a 1/4" Nut Driver was sent the "STORE" button on the control panel will not retract with the Operators Manual.
  • Page 7 HYDRAULIC LINE CONNECTION DIAGRAM WITH 2 STRAIGHT-ACTING JACKS NOTE: BEFORE OPERATING VALVE RELEASE NUTS, READ AND UNDERSTAND PROCEDURE FOR MANUAL JACK RETRACTION IN OPERATOR’S INSTRUCTIONS. BREATHER VALVE RELEASE NUTS PUMP/MANIFOLD ASSEMBLY SHUTTLE VALVE 50 PSI PRESSURE SWITCH LEFT RIGHT SIDE SIDE MP65.271C 18DEC06...
  • Page 8 HYDRAULIC SCHEMATIC TOUCH-PANEL CONTROLLED LEVELING SYSTEM WITH 2 STRAIGHT-ACTING JACKS RELIEF VALVE 3500 PSI 12 VOLT D.C. HYDRAULIC SOLENOID MANIFOLD POWER UNIT ASSEMBLY RETURN PRESSURE PRESSURE/ RETURN SHUTTLE 50 PSI VALVE SWITCH SOLENOID SOLENOID CHECK VALVE LS VALVE RS VALVE INNER CHECK VALVE...
  • Page 9 ELECTRICAL CONNECTION DIAGRAM 2 JACK STABILIZING SYSTEM HWH HYDRAULIC JACK CONTROL PARK BRAKE MUST 6110 BE SET TO OPERATE STORE JACK DOWN 6120 CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
  • Page 10 ELECTRICAL CONNECTION DIAGRAM HYDRAULIC MANIFOLD TWO JACK STABILIZING MANIFOLD DIAGRAM VIEW FROM TOP 6231 4400 6231 3400 PRESSURE SWITCH 50 PSI 8101 LEVELING SYSTEM PUMP/MANIFOLD HARNESS 6230 6231 6235 6100 SEE POWER 6100 UNIT/HARNESS 8600 GROUNDING 6230 INSTRUCTIONS SEE PUMP RELAY CONNECTION DIAGRAM...
  • Page 11 ELECTRICAL CONNECTION DIAGRAM PUMP RELAY CONNECTIONS SYSTEM GROUNDING PUMP RELAY CONNECTIONS FUSE 8600 15AMP VIEW FROM TOP FUSE 15AMP TO +12 BATTERY 6100 SEE ELECTRICAL 6100 CONNECTION DIAGRAM HYDRAULIC 6230 MANIFOLD PUMP/MANIFOLD HARNESS SYSTEM GROUNDING IMPORTANT: THE PUMP MUST HAVE A GOOD FRAME SEE ELECTRICAL PUMP/ GROUND TO FUNCTION PROPERLY.
  • Page 12 WIRES NOT FOUND IN THE ROUND CONNECTOR WHITE 6230 GROUND FOR PUMP RELAY FROM HWH GROUND STUD GROUND FOR SOLENOID VALVES FROM HWH GROUND STUD WHITE 6231 WHITE 6235 GROUND FOR JACK WARNING SWITCHES FROM HWH GROUND STUD MP85.3355 19DEC06...
  • Page 13 ELECTRICAL CONNECTION DIAGRAM TOUCH PANEL SCHEMATIC SW12 CR2-1 CR1-1 CR6-1 CR6-2 SW10 CR4-1 CR5-1 90SEC LD11 JACK WARN BUZZER LD10 SWITCH(S) 50LB P_SW PARK BRAKE PR1-1 PR2-1 CR7-1 PR3-1 P38028.PCB PMP-1 BATTERY 1. PARK BRAKE MUST BE SET BEFORE SYSTEM WILL OPERATE. 2.
  • Page 14 MASTER LIGHT/BUZZER CONNECTION DIAGRAM MANUAL STABILIZING SYSTEMS A MASTER WARNING INDICATOR SHOULD ALWAYS BE USED. WHEN THE LEVELING SYSTEM HAS STRAIGHT ACTING JACKS A WARNING BUZZER MUST BE USED. WHEN BOTH A RED LIGHT AND WARNING BUZZER ARE USED THE +12 POWER FOR BOTH INDICATORS IS SUPPLIED BY THE IGNITION SWITCH.
  • Page 15 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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