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HWH 2000 SERIES Operator's Manual
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HWH 2000 SERIES Operator's Manual

Hwh computer-controlled 2000 series leveling system
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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
AP25488
H
W
CORPORATION
R
FEATURING:
Touch Panel Leveling Control
Air Leveling (With Tag Axle)
HWH COMPUTERIZED LEVELING
EXCESS
SLOPE
AIR
NOT IN
PARK/
TRAVEL
BRAKE
MODE
DUMP
EMERGENCY
STOP
TRAVEL
MODE
CAUTION!
RAISE
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
H
R
ML25489/MP05.998H
08SEP03

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Summary of Contents for HWH 2000 SERIES

  • Page 1 CORPORATION OPERATOR’S MANUAL HWH COMPUTER-CONTROLLED 2000 SERIES LEVELING SYSTEM FEATURING: Touch Panel Leveling Control Air Leveling (With Tag Axle) HWH COMPUTERIZED LEVELING EXCESS SLOPE NOT IN PARK/ TRAVEL BRAKE MODE DUMP EMERGENCY STOP TRAVEL MODE CAUTION! RAISE 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 "EXCESS SLOPE" HARD RESET SWITCH LIGHT (SEE HWH LIGHTED RESET SWITCH) "NOT IN PARK" LIGHT MASTER WARNING LIGHT LEVELING SYSTEM ACTIVE LIGHT LOWER FRONT BUTTON "AIR" (ON) BUTTON RAISE FRONT BUTTON HWH COMPUTERIZED LEVELING DUMP LIGHT WARNING LIGHTS...
  • Page 4 The HWH lighted reset switch is located on the vehicle dash. If the lighted reset switch will not go out when pushed, there If there is a failure at any time in the HWH CAN network, the is a problem with the central control module of the network network will shut down.
  • Page 5 OPERATING PROCEDURES TAG AXLE DUMP The tag axle dump-switch is supplied by Monaco. This is a The Tag Dump switch will work only with the ignition switch in two position switch with one position for "TRAVEL" and one the "ON" position and the leveling system panel off. position for "TAG DUMP".

  • Page 6: Operational Check

    Turn the ignition on. Push the other problems or questions, consult a qualified rv repair "AIR" button on the touch panel. Release the hand/auto park center, your vehicle or coach manufacturer or HWH brake. Corporation for service or assistance.
  • Page 7 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 8 AIR LINE CONNECTION DIAGRAM FOUR POINT AIR LEVELING WITH TAG AXLE 1/4" LINE HEIGHT CONTROL VALVE (3-PLACES) LINE FROM HEIGHT FRONT CONTROL SUSPENSION VALVE 1/4" LINE 1/4" LINE 1/4" LINE 3/8" LINE SUPPLY AUX. 12V 3/8" LINE COMPRESSOR 3/8" LINE REGULATOR REAR FRONT...
  • Page 9 AIR LEVEL SCHEMATIC - MONACO 4-POINT LEVELING WITH AIR COMPRESSOR PRESSURE SWITCHES FRONT AND REAR DRIVE AXLE REGULATOR SEE AIR EXISTING COMPRESSOR FRONT HEIGHT SUPPLY DIAGRAM CONTROL VALVE (HCV) FRONT FRONT MANIFOLD ASSEMBLY TANK TRAV. TRAV. PRESSURE SWITCH 20 PSI (2) FRONT LOWER LOWER...
  • Page 10 FRONT AIR SOLENOID MANIFOLD CONNECTIONS 6 VALVE WITH TWO PRESSURE SWITCHES LINES FROM HEIGHT CONTROL VALVES - TWO MAY BE TEE’D 3.400" TOGETHER IF ONE HCV IS USED. REAR VIEW LINE TO LF LINE TO RF AIR BAG AIR BAG EXHAUST EXHAUST PORT...
  • Page 11 REAR AIR SOLENOID MANIFOLD CONNECTIONS 6 VALVE WITH THREE PRESSURE SWITCHES LINES FROM HEIGHT CONTROL VALVES - TWO MAY BE TEE’D 3.400" TOGETHER IF ONE HCV IS USED. REAR VIEW LINE TO LR LINE TO RR AIR BAG AIR BAG EXHAUST EXHAUST PORT...
  • Page 12 TAG AIR SOLENOID MANIFOLD CONNECTIONS 6 VALVE WITH TWO PRESSURE SWITCHES LINE FROM TAG PRESSURE REGULATOR 3.400" (TEE’D TO BOTH FITTINGS). REAR VIEW LINE TO LS TAG LINE TO RS TAG AIR BAG AIR BAG EXHAUST EXHAUST PORT PORT PRESSURE PRESSURE SWITCH-20 PSI SWITCH-20 PSI...

  • Page 13: Air Compressor Diagram

    AIR COMPRESSOR DIAGRAM FUSE 15 AMP FROM AIR SOLENOID 12 VOLT RELAY (2) +12 SIGNAL FROM PRESSURE SWITCH GROUND CHECK VALVE (4) AIR LINE TO SUSPENSION FLOW PRESSURE SWITCH (1) NORMALLY CLOSED (OPEN AT 115 PSI) (CLOSED AT 105 PSI) AIR FILTER NORMALLY OPEN AIR SOLENOID (3)
  • Page 14 ELECTRICAL CONNECTION DIAGRAM 2000 SERIES CAN SYSTEM AIR LEVELING LEVELING SYSTEM LIGHTED TOUCH PANEL WARNING RESET HWH COMPUTERIZED LEVELING SWITCH LIGHT EXCESS SLOPE TO CN1 (8 PIN BLACK) NOT IN PARK TRAVEL DUMP ELECTRICAL 6100 EMERGENCY STOP TRAVEL CAUTION! 7699...
  • Page 15 ELECTRICAL CONNECTION DIAGRAM TAG AXLE AIR MANIFOLD SEE ELECTRICAL CONNECTION DIAGRAM 2000 SERIES CAN SYSTEM AIR LEVELING WITH TAG AXLE TAG AXLE HARNESS TO CN1 (12 PIN BLACK) 3800 TAG LIFT (MAY NOT BE USED) AIR MANIFOLD PIGTAIL TRAVEL TRAVEL...
  • Page 16 ELECTRICAL CONNECTION DIAGRAM CENTRAL CONTROL / AIR MODULE PAGE 1 OF 2 FRONT VIEW CLEAR TOP PIN 8 PIN 1 PIN 12 PIN 8 PIN 1 PIN 6 PIN 1 PIN 1 CN10 CN11 WIRE WIRE PIN # WIRE DESCRIPTION AND FUNCTION COLOR NUMBER 8 PIN BLACK CONNECTOR...
  • Page 17 ELECTRICAL CONNECTION DIAGRAM CENTRAL CONTROL / AIR MODULE PAGE 2 OF 2 RIGHT SIDE VIEW PIN 1 PIN 4 PIN 1 CN98 CN1 BROWN CN1/1 BLACK NEUTRAL HOLD LEVELING SENSING UNIT PIN 1 PIN 12 PIN 12 OVERRIDE ADJUSTMENT MECHANISM - SWITCH SEE ELECTRICAL CONNECTION CN100...
  • Page 18 ELECTRICAL CONNECTION DIAGRAM LED - FUSE LOCATION AND DESCRIPTION CENTRAL CONTROL / AIR MODULE PAGE 1A OF 1 A-B CENTRAL CONTROL MOTHER BOARD 11-RED SENSING UNIT PARK BRAKE +12V 8-RED 9 (NOT USED) REAR NEUTRAL 7-RED 10-RED PRESSURE RIGHT SIDE HOLD LINK LIGHT SWITCH (NOT USED)
  • Page 19 ELECTRICAL CONNECTION DIAGRAM LED - FUSE LOCATION AND DESCRIPTION CENTRAL CONTROL MODULE (BOTTOM RING) PAGE 1B OF 1 A-B CENTRAL CONTROL MOTHER BOARD 15AMP SWITCHED BATTERY TO CAN MODULES 11-RED SENSING UNIT PARK BRAKE +12V 8-RED 9 (NOT USED) REAR NEUTRAL 7-RED 10-RED 3000lb...
  • Page 20 ELECTRICAL CONNECTION DIAGRAM LED - FUSE LOCATION AND DESCRIPTION CENTRAL CONTROL / AIR MODULE AIR LEVEL OUTPUT BOARD FUSE CN1 BROWN NOTE: FOR DETAILED INPUT / OUTPUT INFORMATION ABOUT PIN CONNECTIONS RELAY DESCRIPTION FUSE BROWN SEE ELECTRICAL CONNECTION DIAGRAM - CENTRAL CONTROL / AIR MODULE 3-RED LEFT FRONT RAISE...
  • Page 21 ELECTRICAL CONNECTION DIAGRAM LED - FUSE LOCATION AND DESCRIPTION CENTRAL CONTROL / AIRMODULE AIR LEVEL OUTPUT BOARD FUSE CN1/1 BLACK NOTE: FOR DETAILED INPUT / OUTPUT INFORMATION ABOUT PIN CONNECTIONS RELAY DESCRIPTION FUSE BLACK SEE ELECTRICAL CONNECTION DIAGRAM - CENTRAL CONTROL / AIR MODULE 1-YELLOW TAG LIFT 2-RED...