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CORPORATION

FEATURING:

TOUCH PANEL LEVELING CONTROL

HYDRAULIC LEVELING

HWH COMPUTER-CONTROLLED

OPERATOR’S MANUAL

AIR DUMP

STRAIGHT-ACTING JACKS

HYDRAULIC ROOM EXTENSION

HYD

DUMP

LEVEL

SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.

UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES

CAUTION!

OFF

NOT IN

TRAVEL

EXCESS

SLOPE

PARK/

BRAKE

STORE

HWH COMPUTERIZED LEVELING

500 SERIES

LEVELING SYSTEM

16MAR01

ML10731/MP05.3701/CHA-S

SPACEMAKER ROOM EXTENSION SYSTEM

(ON I-80, EXIT 267 SOUTH)

INTERNET: http: //www.hwhcorp.com

(800) 321-3494 / (563) 724-3396

MOSCOW, IOWA 52760

2096 MOSCOW ROAD

HWH CORPORATION

Содержание 500 Series

Страница 1: ...REMOVING TIRES OR CRAWLING UNDER VEHICLE UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES CAUTION OFF NOT IN TRAVEL EXCESS SLOPE PARK BRAKE STORE HWH COMPUTERIZED LEVELING 500 SERIES LEVELING SYSTEM 16MAR01 ML10731 MP05 3701 CHA S SPACEMAKER ROOM EXTENSION SYSTEM ON I 80 EXIT 267 SOUTH INTERNET http www hwhcorp com 800 321 3494 563 724 3396 MOSCOW IOWA 52760 2096 MOSCOW ROAD HWH COR...

Страница 2: ...fore if you discover a defect or problem please 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 shou...

Страница 3: ...WARNING LIGHT mounted in the dash separate from the touch panel It will be on when any one or more jacks are extended and the ignition is ON BUZZER master JACKS DOWN warning light is on CONTROL FUNCTIONS INDICATOR LIGHTS CONTROL BUTTONS Push the OFF button to stop hydraulic The store indicator light is above the This is a manual button for dumping air This indicator will light when the This indica...

Страница 4: ...ted and the key cannot be removed When the KEY SWITCH is in the OFF position the room cannot be operated and the key can be removed is a two position momentary switch Pressing the switch in the EXTEND position will extend the room Pressing the switch in the RETRACT position will retract the room Re leasing the ROOM CONTROL SWITCH will halt the operation of the room ROOM OPERATOR S PANEL KEY HYDRAU...

Страница 5: ... light must be on If lights are not correct for travel retract jacks as described in the JACK RETRACTION section If the jacks are retracted but a red WARNING light is lit or the green TRAVEL light is not lit the system needs to be serviced The suspension air bags should be inflated and the vehicle should be at the proper ride height before traveling WARNING LIGHTS IT IS THE OPERATOR S RESPONSIBILI...

Страница 6: ...ANUAL RETRACT WINCH ATTACHED CAN CAUSE PERSONAL INJURY AND VEHICLE DAMAGE IT IS THE OPERATOR S RESPONSIBILITY TO ENSURE THAT ALL ROOM LOCKING DEVICES AND THE MANUAL RETRACT WINCH ARE DIS ENGAGED BEFORE OPERATING THE ROOM 1 Follow the LEVELING AND STABILIZING PROCEDURE 2 Unlock all room locking devices room remove it before extending the room CAUTION KEEP PEOPLE AND OBSTRUCTIONS CLEAR OF ROOM WHEN ...

Страница 7: ...room will not retract see the MANUAL ROOM RE TRACT PROCEDURE Room locking devices should be locked while traveling IMPORTANT NOTE The room can be retracted ten seconds after the Leveling System is put in the STORE mode This will inter rupt the STORE mode unitl the ROOM CONTROL SWITCH is released The Leveling System will continue to STORE starting from the beginning of the program IMPORTANT Do NOT ...

Страница 8: ...the suspension system The vehicle can be moved as soon as the red WARNING lights are out the green TRAVEL light is on and the suspension air bags are inflated and the vehicle has returned to the proper ride height providing the jacks are in the STORE TRAVEL position See FIGURE 3 The front jacks will retract for approximately 5 seconds before the rear jacks start to retract IMPORTANT Do NOT move th...

Страница 9: ...GURE Refer to page MP35 9490 in the Operator s Manual or the repair manual and try to manually retract the room if it is extended If the manual winch provided will not retract the room DO NOT USE ALTERNATE DEVICES SUCH AS A POWER WINCH If possible repair the rack sensing valve 3 FIGURE 1 before retracting the room If repair is not possible release the pressure on the manual retract winch Remove th...

Страница 10: ...UTION ON OFF HYDRAULIC PUMP MANIFOLD NOTE The room may move slightly as the SOLENOID VALVES NOTE NOTE Winching the room in quickly will raise pressure in the NOTE The T HANDLE may turn easily at first but will be 6 When the room is fully retracted engage the room locking devices Leave the retract winch in place CAUTION THE ROOM EXTENSION SOLENOID VALVE T HANDLES MUST BE IN THE OPEN POSITION WHEN T...

Страница 11: ...with ice This may cause the leveling system to function improperly To eliminate this problem periodically check the leveling jacks and break loose any ice which may be causing improper operation Check that all lights work according to the INDICATOR LIGHT section Correct function of the four red WARNING lights is essential to the correct operation of the system or 1 inch side to side and or 5 4 inc...

Страница 12: ... IN PARK BRAKE indicator light comes on Reset the parking brake The NOT IN PARK BRAKE indicator light should go out Switch the ignition to OFF 3 USED 3 USED NOTE If any of the above checks or inspections reveal a turer or HWH CORPORATION 1 800 321 3494 for service or repair Level the vehicle by placing a circular bubble level in the center of the freezer floor or location within the vehicle that i...

Страница 13: ...ire electrical connection ROOM CONTROL PUMP or HYDRAULIC CYLINDER 4 ROOM CREEPS OUT AFTER CLOSING A T HANDLE on EXTEND SOLENOID VALVE is not B EXTEND SOLENOID VALVE has an internal leak C HYDRAULIC CYLINDER has an internal leak A T HANDLE on RETRACT SOLENOID VALVE is not closed B RETRACT SOLENOID VALVE has an internal leak ROOM EXTENSION CONTROL SWITCH IS PRESSED properly grounded ROOM CONTROL SWI...

Страница 14: ...NSION LEFT REAR JACK RIGHT REAR JACK RETURN PRESSURE JACK FRONT LEFT RIGHT FRONT JACK REAR LEFT FRONT LEFT FRONT RIGHT REAR RIGHT TO SHUTTLE VALVE ON BOTTOM OF MANIFOLD VALVE RELEASE T HANDLES 2 T HANDLES 4 VALVE RELEASE 500 SERIES COMPUTER CONTROLLED LEVELING SYSTEM WITH A DUAL CYLINDER ROOM EXTENSION WITH RACK SENSING VALVE ...

Страница 15: ... VALVE INNER LR LF SOL VALVE SOL VALVE RF RR PRES SW WITH STRAIGHT ACTING JACKS HYDRAULIC SCHEMATIC VALVE STAB SOL SOME UNITS ADJUSTABLE ON RELIEF VALVE RETURN POWER UNIT HYDRAULIC 12 VOLT D C VALVE SHUTTLE RETURN PRESSURE PRESSURE M FLOW SWITCH RELIEF VALVE LEFT REAR LEFT FRONT RIGHT FRONT RIGHT REAR 3000 PSI ...

Страница 16: ... VALVE SOLENOID VALVE EXTEND FRONT OF VEHICLE TRAVEL ROOM PRESSURE IF APPLICABLE PORT IF APPLICABLE RETURN PORT VALVE SENSING RACK THIS LINE IS PRESSURIZED DURING EXTEND AND RETRACT DURING EXTEND ONLY THIS LINE IS PRESSURIZED DURING RETRACT IT IS VENTED TO THE RESERVOIR NOTE NOTE HYDRAULIC SCHEMATIC DIAGRAM DUAL CYLINDER ROOM EXTENSION SYSTEM W RACK SENSING VALVE ...

Страница 17: ...R DUMP VALVE IS TO TEE INTO THE LINE BETWEEN THE AIR BAG AND THE HEIGHT CONTROL VALVE THREE HEIGHT CONTROL VALVES ARE THE MOST COMMON ON AIR SUSPENSION SYSTEMS 2 3 OR 4 CONTROL VALVES MAY BE USED USE ONLY DOT APPROVED FITTINGS AND TUBING HEIGHT CONTROL VALVE AIR DUMP SOLENOID VALVES ARE ACTIVATED OPENED BY A 12 SIGNAL SEE ELECTRICAL DIAGRAM FOR CONNECTION FROM WIRE HARNESS B A A B A B A B ...

Страница 18: ... 5 6 8 9 10 12 13 14 15 1 BATTERY 2 IGNITION 3 ACCESSORY 4 ROOM RETRACT 5 ROOM EXTEND 6 AIR DUMP 7 PARK BRAKE 9 PUMP 10 RIGHT REAR SOLENOID 11 FUSE 15 AMP 12 LEFT FRONT SOLENOID 13 RIGHT FRONT SOLENOID 14 STABILIZE SOLENOID 15 LEFT REAR SOLENOID ESSEX RELAY MOUNTED ON INSIDE OF BOX ATTACH 10 BLACK WIRE FROM PUMP HARNESS 10 BLACK WIRE GROUND 10 WIRE TO FRAME RAIL GROUND STUD MOUNTED ON SIDE OF BOX ...

Страница 19: ...ING B A BLUE WHITE RED WHITE BROWN WHITE YELLOW JACK WARNING SWITCH HARNESS DIAGRAM INDICATORS HARNESS MANIFOLD PUMP HWH COMPUTERIZED LEVELING CAUTION UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE STORE HYD DUMP OFF TRAVEL BRAKE NOT IN LEVEL EXCESS PARK SLOPE POWER UNIT HARNESS INSTRUCTIONS GROUNDING B A GRAY A WHITE A B WH...

Страница 20: ...AR RIGHT FRONT LEFT FRONT LEFT REAR WHITE WHITE WHITE WHITE HYDRAULIC MANIFOLD WIRING DIAGRAM FOR 500 SERIES LEVELING SYSTEMS 12MAY97 B A B A E D P D B A E P D E P D B A E P BROWN WHITE B A E D P PURPLE FLOW SWITCH STABILIZE SOLENOID PRESSURE SWITCH ...

Страница 21: ...R VIEW EXTENSION OPERATORS PANEL KEY SWITCH GROUNDING HARNESS INSTRUCTIONS POWER UNIT SEE BOX CONNECTION DIAGRAM WHITE WHITE 12 11 25 24 26 13 BLACK PURPLE 12 IGNITION ROOM CONTROL SWITCH GROUND STUD ROOM EXTENSION SWITCH HARNESS VALVE RELEASE T HANDLE ROOM EXTENSION MANIFOLD HARNESS VIEW FROM PUMP END THESE TWO SOLENOID THE PURPLE WIRE FROM THE SWITCH HARNESS CONNECTS TO PIN 12 OF THE ROOM CONTRO...

Страница 22: ...HARNESS GRAY 8600 CABLE TO PUMP FROM HYDRAULIC HARNESS RELAY B STUD RELAY A FROM CABLE 13JAN99 SEE GROUND CONNECTION DIAGRAM CONNECTION DIAGRAM ELECTRICAL CONNECTION DIAGRAM MASTER AND PUMP RELAY FOR 610 SERIES LEVELING SYSTEMS NOTE THE 4 DIGIT WIRE NUMBER SUPERSEDES ANY AND ALL WIRE COLORS BLACK 6800 RED 8500 WHITE 6231 WHITE 6231 GRAY 8600 WHITE 6231 ...

Страница 23: ...F LOOM TO BE GROUNDED TO STUD GROUP OF WHITE WIRES 6 INCHES FROM LEVELING SYSTEM MANIFOLD HARNESS GROUP OF WHITE WIRES 6 INCHES FROM END OF LOOM TO BE GROUNDED TO STUD STUD ROOM EXTENSION MANIFOLD HARNESS ROOM EXTENSION MANIFOLD HARNESS PUMP MOUNTING GROUNDING INSTRUCTIONS USE GROUNDING STUD AND 3 8 EXTERNAL STAR LOCKWASHERS AS SHOWN MUST BE USED BETWEEN GROUNDING SURFACE AND WIRE TERMINALS IMPORT...

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