HWH 2000 Series Operator's Manual
Computer-controlled leveling system for trailers
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- Operator's manual (52 pages) ,
- Operator's manual (21 pages) ,
- Operator's manual (25 pages)
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OPERATOR'S MANUAL
HWH COMPUTER-CONTROLLED
2000 SERIES LEVELING SYSTEM
Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408
AP43722
H H
W
CORPORATION
R
FOR TRAILERS
FEATURING:
Touch Panel Leveling Control
BI-AXIS Hydraulic Leveling
R
Single-Acting Front Jacks
Single-Acting Rear Jacks
Auxiliary Hand Pump
HWH COMPUTERIZED LEVELING
EXCESS
ON
SLOPE
AUTO
NOT IN
PARK/
STORE
BRAKE
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
ML43723/MP04.3942
27OCT08
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Table of Contents
Related Manuals for HWH 2000 Series
Summary of Contents for HWH 2000 Series
- Page 1 CORPORATION OPERATOR’S MANUAL HWH COMPUTER-CONTROLLED 2000 SERIES LEVELING SYSTEM FOR TRAILERS FEATURING: Touch Panel Leveling Control BI-AXIS Hydraulic Leveling Single-Acting Front Jacks Single-Acting Rear Jacks Auxiliary Hand Pump HWH COMPUTERIZED LEVELING EXCESS SLOPE AUTO NOT IN PARK/ STORE BRAKE TRAVEL...
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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
This switch controls power lights. They are functional only when the system is on, to the HWH control system. This is an optional switch from and the jacks are extended 1/4 to 1/2 inch. HWH. The system should have a master power switch. -
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 OR MORE JACKS ARE EXTENDED TO THE GROUND. If parking on soft ground or asphalt paving, wood blocks or pads must be placed under the jacks. The HWH or OEM supplied master power switch must be on for the leveling system to operate. PREPARATION FOR TRAVEL Before traveling, the red jack warning lights must be off VEHICLE IS EQUIPPED WITH STRAIGHT-ACTING JACKS.
- Page 6 Trailer must be unhitched from the tow vehicle before The system will automatically extend the jacks to level the leveling. The HWH front jacks may be used to lift the trailer for vehicle and then extend any remaining jacks for stabilizing.
- Page 7 The system must be allowed to completely finish the STORE mode. 1. The HWH master key switch must be on to hitch WARNING: the trailer and store the jacks.
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Page 8: Manual Leveling
Trailer must be unhitched from the tow vehicle before 4. A lit yellow LEVEL light indicates that the side, end or leveling. The HWH front jacks may be used to lift the trailer corner of the trailer is low. If the rear yellow level light is on, for unhitching. - Page 9 OPERATING PROCEDURES AUXILIARY HAND PUMP OPERATION RELEASE CAM FRONT VIEW END VIEW OPERATING MOTION OPEN CLOSE IF A LARGE VALVE IS USED, OPEN THE VALVE BY REMOVING THE PLASTIC PLUG THEN TURN AUXILIARY THE 1/4" VALVE RELEASE NUT NO MORE THAN HAND PUMP 2 FULL TURNS COUNTER CLOCKWISE.
- Page 10 All major components of the system can be replaced become caked or clogged with mud. This condition may with rebuilt units or can be sent to HWH CORPORATION to hamper the proper operation of the leveling system. This be rebuilt, when the system is out of warranty.
- Page 11 MAINTENANCE PRIMING THE HAND PUMP VALVE RELEASE CAM SHOWN IN SHOWN IN TANK CLOSED OPEN POSITION POSITION OPEN CLOSE EXTEND SOLENOID VALVE HAND PUMP HANDLE JACK CONTROL HYDRAULIC SWITCH CAP END NEUTRAL POSITION EXTEND POSITION OPERATING MOTION TANK DOUBLE-ACTING JACKS (CAP AND ROD END HOSES) HAND PUMP HANDLE...
- Page 12 SENSING UNIT MAINTENANCE/SERVICE 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 Level the vehicle by placing a bubble level in the center of NOTE: If opposing LED’s are lit, there is a problem with the freezer floor or upon whichever surface within the vehicle...
- Page 13 HYDRAULIC LINE CONNECTION DIAGRAM 2000 SERIES LEVELING SYSTEM 4 - SINGLE-ACTING JACKS CAP END HOSE TO CAP END HOSE TO LEFT FRONT JACK RIGHT FRONT JACK LEFT FRONT JACK RIGHT FRONT JACK JACK RETRACT VALVES (4) NOTE: LEFT FRONT AND RIGHT FRONT...
- Page 14 ELECTRICAL CONNECTION DIAGRAM 2000 SERIES CAN SYSTEM FOR TRAILERS WARNING WARNING TOUCH PANEL SENSING UNIT SWITCH SWITCH 6235 2000 HWH COMPUTERIZED LEVELING 1000 6235 EXCESS SLOPE AUTO NOT IN PARK/ STORE BRAKE TRAVEL MODE CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
- Page 15 ELECTRICAL CONNECTION DIAGRAM 2000 SERIES CAN SYSTEM FOR TRAILERS LEVELING MANIFOLD CONNECTIONS TOP VIEW (TANK NOT SHOWN) MOTOR LR-R LR-E LF-R LF-E RF-R RF-E RR-R RR-E LR-E = LEFT REAR JACK EXTEND LR-R = LEFT REAR JACK RETRACT LF-E = LEFT FRONT JACK EXTEND...
- Page 16 ELECTRICAL CONNECTION DIAGRAM 2000 SERIES CAN SYSTEM FOR TRAILERS MASTER AND PUMP RELAYS GROUND TO 4 PIN BOLT ON PUMP GRAY CONNECTOR TO CN1 ON LEFT SIDE OF ON LEFT SIDE OF CONTROL MODULE CONTROL MODULE RELAY (A) (MASTER RELAY)
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Page 17: Electrical Connection Diagram
ELECTRICAL CONNECTION DIAGRAM 625/2000 SERIES LEVELING SYSTEM TOUCH PANEL CONNECTIONS HWH COMPUTERIZED LEVELING EXCESS SLOPE LEVEL NOT IN PARK/ BRAKE STORE TRAVEL MODE CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE. - Page 18 ELECTRICAL CONNECTION DIAGRAM CONTROL MODULE CONNECTION INFORMATION PAGE 1 OF 2 FRONT RIGHT SIDE PIN 1 PIN 1 BLACK PIN 1 PIN 12 PIN 12 PIN 12 WIRE WIRE PIN # WIRE DESCRIPTION AND FUNCTION COLOR NUMBER FRONT CN2 - 12 PIN BROWN CONNECTOR KEY PIN 2 THRU 5 NO CONNECTION...
- Page 19 ELECTRICAL CONNECTION DIAGRAM CONTROL MODULE CONNECTION INFORMATION PAGE 2 OF 2 LEFT SIDE PIN 4 PIN 1 PIN 1 GRAY BLACK PIN 8 BROWN PIN 12 PIN 1 WIRE WIRE PIN # WIRE DESCRIPTION AND FUNCTION COLOR NUMBER CN1 - 12 PIN BROWN CONNECTOR BLACK 1400 SWITCHED +12 FOR LEFT FRONT EXTEND SOLENOID VALVE...
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Page 20: Output Board
ELECTRICAL CONNECTION DIAGRAM LED - FUSE LOCATION AND DESCRIPTION OUTPUT BOARD PAGE 1 OF 2 OUTPUT BOARD FUSE YELLOW LED’S (COILS) RED LED’S (CONTACTS) TOP RING BLACK NOTE: FOR DETAILED INPUT / OUTPUT RELAY DESCRIPTION FUSE BLACK INFORMATION ABOUT PIN CONNECTIONS SEE ELECTRICAL CONNECTION DIAGRAM - 1-YELLOW LEFT FRONT EXT. - Page 21 ELECTRICAL CONNECTION DIAGRAM LED LOCATION AND DESCRIPTION MAIN BOARD PAGE 2 OF 2 BROWN BLACK LED 18 - RED POWER ON FOR MODULE LED 17 - RED LINK LIGHT LED 16 - RED - REAR LEVEL LIGHT LED 1 - RED - L.F. WARN. SW. LED 15 - YELLOW - RIGHT SIDE LEVEL LIGHT LED 2 - GREEN - L.F.
- Page 22 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...