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HWH 600 Series, Operator'S Manual

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HWH 600 Series Operator'S Manual Download Page 20

ROOM EXTENSION SYSTEM

ELECTRICAL CONNECTION DIAGRAM

VIEW FROM PUMP END

MP85.474C

13MAY99

SEE GROUNDING
INSTRUCTIONS

6245

A

B

A

B

8           7

1           4

2           5

3           6

3           6

2           5

1           4

8           7

ROOM EXTEND/

RETRACT SWITCH

ROOM ON/PFF
SWITCH

FROM CONTROL 
HARNESS
BY O.E.M.

RETRACT - BLACK (4)

PUMP CONTROL - GRAY (1&3)

EXTEND - YELLOW (6)

RETRACT -
BLACK (4)

SWITCHED
BATTERY -
RED (2)

RED

FROM IGNITION -
ORANGE (2)

SWITCHES BY O.E.M.

SEE DETAIL A
(6 PIN FEMALE)

DO NOT REVERSE
WIRE COLORS TO
A & B ON PACKARD
CONNECTORS

RETRACT -
5100

SWITCHED
BATTERY -
6810

EXTEND -
5000

PUMP
CONTROL -
7541

DETAIL A

NO
CONNECTION

NO
CONNECTION

RETRACT SOLENOID
VALVE - ROOM
EXTENSION

EXTEND SOLENOID
VALVE - 
GENERATOR
SLIDE

RETRACT
SOLENOID VALVE -
GENERATOR SLIDE

SEE ELECTRICAL
CONNECTION
DIAGRAM GENERATOR
SLIDE SYSTEM FOR
CORRECT 
CONNECTION
INFORMATION

GR

GE

RR

RE

VALVE RELEASE
"T" HANDLE

ROOM EXTENSION
MANIFOLD

EXTEND SOLENOID VALVE
ROOM EXTENSION

HWH ROOM
CONTROL
HARNESS

5000

6245

6245
5100

SEE ELECTRICAL
CONNECTION
DIAGRAM ROOM
EXTENSION
PUMP RELAY

6810

8602

NOTE: THE JACK

INTERRUPT IS 
ONLY USED IF THE
VEHICLE IS EQUIPPED WITH A
HWH HYDRAULIC LEVELING SYSTEM.

Summary of Contents for 600 Series

Page 1: ...G TOUCH PANEL LEVELING CONTROL HWH COMPUTER CONTROLLED OPERATOR S MANUAL BRAKE ML19668 MP05 4719 18MAY01 600 SERIES LEVELING SYSTEM FOUR POINT AIR LEVELING WITH SYNCHRONIZING CYLINDER DUAL CYLINDER ROOM EXTENSION WITH SYNCHRONIZING CYLINDER DUAL CYLINDER GENERATOR SLIDE SPACEMAKER ROOM EXTENSION SYSTEM ON I 80 EXIT 267 SOUTH INTERNET http www hwhcorp com 800 321 3494 563 724 3396 MOSCOW IOWA 52760...

Page 2: ...lease do the following 563 724 3396 OR 800 321 3494 Give your name and coach was purchased or the date of system installation Notify the dealership where you purchased the vehicle or had the leveling system installed Dealership management people are in the best position to resolve the problem quickly If the dealer has difficulty solving the problem he should immediately contact the Customer Servic...

Page 3: ...SIDE BUTTON LEVELING LIGHTS 4 Yellow WARNING LIGHT 4 Red RAISE REAR BUTTON LOWER REAR BUTTON LEVEL LIGHT DUMP LIGHT RAISE BUTTON TRAVEL LIGHT This light will be on when the system is on and flash during automatic leveling INDICATOR LIGHTS LEVEL BUTTON CAUTION UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE OFF RAISE DUMP TRAV...

Page 4: ...s unable to level the vehicle one or two yellow LEVEL SENSING indicator lights will remain on and the EXCESS SLOPE light will come on The system will remain on but will not go into SLEEP MODE 1 Place the hand auto brake in the recommended position for parking The engine should be running to provide air for leveling 2 Press the AIR button The AIR indicator light will glow steady 3 Individual RAISE ...

Page 5: ... TEMPORARY BYPASS OF LEVELING SYSTEM In case of a malfunction of the leveling system opening these valves will in most cases allow the vehicle suspension to return to the proper ride height for traveling CAUTION THE VEHICLE WILL RAISE OR LOWER AS THE VALVES ARE OPENED DO NOT CRAWL UNDER THE VEHICLE TO ACCESS THE VALVES MAKE SURE THERE IS AMPLE ROOM TO OPEN THE VALVES SAFELY 1 Locate the BYPASS val...

Page 6: ...ing unit until all yellow lights of the freezer floor or location within the vehicle that is to be level LEVEL SENSING UNIT SURFACE MOUNTING BELOW THE SURFACE MOUNTING SCREWS 3 REAR THIS SIDE STICKER ON TOP UP SPRINGS 3 the sensing unit is mounted below the surface as shown or backing out the corresponding screw if the sensing unit is mounted above the surface Bump the sensing unit to see that it ...

Page 7: ...r the room ex tension or generator slide is fully extended or stops moving IF EITHER SIDE OF THE ROOM EXTENSION OR GENER ATOR SLIDE STOPS MOVING RELEASE THE CONTROL SWITCH IMMEDIATELY NOTE Releasing the CONTROL SWITCH will halt the oper ation of the room extension or generator slide 5 Push the ROOM EXTENSION OR GENERATOR SLIDE MASTER SWITCH to the OFF position 6 Turn off the ignition switch CLEAR ...

Page 8: ...MANUAL RETRACT WINCH IS ENGAGED 7 The system should be repaired before using again WARNING THE MANUAL RETRACT WINCH IS EQUIPPED FOR MANUALLY RETRACTING THE ROOM ONLY IT IS NOT TO BE USED FOR LIFTING OR ANY When manually retracting the room make sure the jacks are retracted before retracting the room OTHER APPLICATION HIGH FORCES ARE CREATED WHEN USING A WINCH CREATING POTENTIAL SAFETY HAZARDS FAIL...

Page 9: ...NDER HYDRAULIC CYLINDER CAP END ROD END ROD END CAP END DUAL CYLINDER ROOM EXTENSION NOTE HOSE CONNECTIONS FOR ROOM CYLINDERS ARE MADE AT THE END OF THE ROOM EXTENSION TUBES NOTE LEVELING SYSTEM MANIFOLD NOT SHOWN IMPORTANT THE HOSES BETWEEN THE STEEL TUBES ROD END OF THE HYDRAULIC CYLINDERS AND THE SYNCHRONIZING CYLINDER MUST BE THE SAME LENGTH AND DIAMETER THESE HOSES MUST BE HIGH PRESSURE HOSES...

Page 10: ...RONT CYLINDER VERTICAL ARM OR DUAL CYLINDER ROOM EXTENSION REAR CYLINDER VEHICLE FIXED TO STATIONARY POSITION PRESSURE RETURN SYNCHRONIZING CYLINDER SYNCHRONIZING VALVE SYNCHRONIZING VALVE WITH SYNCHRONIZING CYLINDER EXTEND CYLINDER VALVE RETRACT VALVE CYLINDER ...

Page 11: ...AIN CROSS MEMBERS LEAVE AMPLE CLEARANCE FOR CONNECTION OF HOSES TO FITTINGS V C FRONT MANIFOLD EXISTING AIR LINE AIR BAG SUSPENSION TANK C V AIR LINE CONNECTION REAR MANIFOLD LINE FROM HEIGHT CONTROL VALVE AIR SUPPLY LINE TO AIR BAGS C V BYPASS VALVE BYPASS VALVE BYPASS VALVE BYPASS VALVE ...

Page 12: ...EVELING PRESSURE SWITCHES FRONT AND REAR MP75 012C 19MAY97 RAISE LOWER TRAV RAISE LOWER TRAV EXH EXH BAG AIR BAG AIR AIR LEVEL SCHEMATIC RAISE RAISE REAR MANIFOLD ASSEMBLY EXH BAG AIR LOWER TRAV LOWER TRAV EXH BAG AIR HCV CONTROL VALVE REAR HEIGHT EXH SEE AIR COMPRESSOR DIAGRAM BYPASS VALVE BYPASS VALVE BYPASS VALVE VALVE BYPASS ...

Page 13: ...E FROM HEIGHT CONTROL VALVE 2 MAY BE TEE D TOGETHER IF ONE HCV IS USED PRESSURE SWITCH 2 EXHAUSTS PORT 2 LINE TO AIR BAGS LEFT RIGHT AIR SUPPLY 1 CHECK VALVE 2 MP75 471C 13MAY99 CONTROL VALVE LINE FROM HEIGHT PRESSURE SWITCH CHECK VALVE AIR SUPPLY LINE TO AIR BAGS REAR VIEW SIDE VIEW BYPASS VALVE BYPASS VALVE 2 LEFT RIGHT AIR SOLENOID MANIFOLD 6 VALVE WITH TWO PRESSURE SWITCHES AND BY PASS VALVES ...

Page 14: ...LINE FROM HEIGHT CONTROL VALVE 2 MAY BE TEE D TOGETHER IF ONE HCV IS USED EXHAUSTS PORT 2 LINE TO AIR BAGS LEFT RIGHT AIR SUPPLY 1 CHECK VALVE 2 MP75 472C 13MAY99 CONTROL VALVE LINE FROM HEIGHT CHECK VALVE AIR SUPPLY LINE TO AIR BAGS REAR VIEW SIDE VIEW PRESSURE SWITCH BYPASS VALVE 2 LEFT RIGHT AIR SOLENOID MANIFOLD 6 VALVE WITH ONE PRESSURE SWITCH AND BY PASS VALVES 3 400 BYPASS VALVE ...

Page 15: ...e control box sends a 12 signal to the normally closed pressure switch 1 If the pressure is low the 12 volt relay 2 will energize and the compressor will run The normally open air solenoid 3 will close allowing the compressor to build pressure When the pressure builds to 115 psi the procure switch will open stopping the air compressor The normally open air solenoid 3 will open allowing internal pr...

Page 16: ...T FRONT RAISE 11 LEFT FRONT LOWER 12 TRAVEL 13 N A 14 N A 15 N A 16 N A 17 N A 18 N A 19 N A 20 N A FUSE DESIGNATION 5 5 RIGHT FRONT RAISE YELLOW 2500 RIGHT FRONT LOWER BLUE 2600 LEFT FRONT RAISE GREEN 1500 LEFT FRONT LOWER RED 1600 FRONT TRAVEL GRAY 1700 19 20 1 RIGHT FRONT LOWER 2 RIGHT FRONT RAISE CONNECTION DIAGRAM WITH 4 POINT AIR LEVELING LF AIR PRESSURE SW BLACK 1210 RF AIR PRESSURE SW ORAN...

Page 17: ...UCH PANEL GROUND STUD FRONT AIR MANIFOLD REAR AIR MANIFOLD HARNESS HARNESS GROUND STUD FRAME RAIL 3 8 INT STAR LOCKWASHERS 4 TO AUX AIR COMPRESSOR SEE AIR COMPRESSOR DIAGRAM 9700 10 GROUND TO TRAVEL 1700 LF AIR PRESS SW 1210 LF LOWER 1600 LF RAISE 1500 RF AIR PRESSURE SWITCH 2210 RF LOWER 2600 RF RAISE 2500 BATT 6100 IGN 6110 ACC 6120 TRAVEL 1700 TRAVEL 3700 PRESS SWITCH 3215 LR LOWER 4600 LR RAIS...

Page 18: ...LT AIR SOLENOID 12 VOLT ESSEX RELAY BROWN 12 ORANGE PRESSURE SWITCH D OPEN 115 PSI CLOSE 105 PSI COMPRESSOR HARNESS FROM CONTROL BOX 12 SIGNAL BLACK OR BROWN 9700 COMPRESSOR MOTOR FUSE 15 AMP E RELAY MTG BOLT C RED 6100 ELECTRICAL CONNECTION DIAGRAM AIR COMPRESSOR NOTE THE 4 DIGIT WIRE NUMBER SUPERSEDES ANY AND ALL WIRE COLORS ...

Page 19: ...ON VALVE ROOM BLACK 4 RETRACT RED 3 6 2 5 1 4 8 7 RED 2 BATTERY SWITCHED SWITCH ROOM ON PFF 5000 DIAGRAM GROUNDING SLIDE CONTROL HWH GENERATOR 13MAY99 MP85 473C CONNECTION SEE ELECTRICAL 6245 INSTRUCTIONS CONNECTION INFORMATION SYSTEM FOR CORRECT DIAGRAM ROOM EXTENSION SEE ELECTRICAL CONNECTION ROOM EXTENSION EXTEND SOLENOID VALVE ROOM EXTENSION T HANDLE VALVE RELEASE CONNECTION NO MANIFOLD HARNES...

Page 20: ...PACKARD CONNECTORS RETRACT 5100 SWITCHED BATTERY 6810 EXTEND 5000 PUMP CONTROL 7541 DETAIL A NO CONNECTION NO CONNECTION RETRACT SOLENOID VALVE ROOM EXTENSION EXTEND SOLENOID VALVE GENERATOR SLIDE RETRACT SOLENOID VALVE GENERATOR SLIDE SEE ELECTRICAL CONNECTION DIAGRAM GENERATOR SLIDE SYSTEM FOR CORRECT CONNECTION INFORMATION GR GE RR RE VALVE RELEASE T HANDLE ROOM EXTENSION MANIFOLD EXTEND SOLENO...

Page 21: ...TTACH THE BRACKET TO THE FRAME ELECTRICAL CONNECTION DIAGRAM PUMP RELAY 310 SERIES LEVELING SYSTEM WITH ROOM EXTENSIONS NOTE FUSE 15 AMP FUSE 15 AMP 8602 ROOM EXTENSION HARNESS GENERATOR SLIDE HARNESS SEE ELECTRICAL CONNECTION DIAGRAM GROUNDING INSTRUCTIONS SEE ELECTRICAL CONNECTION DIAGRAM ROOM EXTENSION SEE ELECTRICAL CONNECTION DIAGRAM GROUNDING INSTRUCTIONS SEE ELECTRICAL CONNECTION DIAGRAM GE...

Page 22: ...THE FRAME STUD TO ATTACH THE BRACKET GROUND STUD TO ATTACH THE WELDED TO FRAME USE THE THE PUMP BRACKET IS BOLTED TO THE FRAME USE THE GROUND IF THE PUMP BRACKET IS 3 8 STAR LOCKWASHER FROM ROOM EXTENSION OPERATOR S PANEL WHITE 6245 MP85 476C 13MAY99 FROM ROOM EXTENSION OPERATOR S PANEL WHITE 6245 ON SOME PUMPS GROUND CABLE NOT USED STRAP ELECTRICAL CONNECTION DIAGRAM ROOM EXTENSION AND GENERATOR ...

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