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HWH SPACEMAKER, Operator'S Manual

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HWH SPACEMAKER Operator'S Manual Download Page 25

MP84.3430

10APR18

LEVEL SENSING UNIT

ELECTRICAL CONNECTION DIAGRAM

1

2

3

6
5

4

SEE WIRE
LEGEND
BELOW

SEE

ELECTRICAL

CONNECTION

DIAGRAM

MULTIPLEXED

INPUT/

OUTPUT

MODULE

SEE ELECTRICAL CONNECTION

DIAGRAM - 725 SERIES

SINGLE STEP

LEVELING SYSTEM

MOUNTING / ADJUSTMENT
SCREWS (3)

A

B

D

C

YELLOW LEDS

BOTTOM VIEW OF

SENSING UNIT

LED A - FRONT OF VEHICLE
LED B - LEFT SIDE OF VEHICLE (DRIVER SIDE)
LED C - REAR OF VEHICLE
LED D - RIGHT SIDE OF VEHICLE (PASSENGER SIDE)

WIRE LEGEND -

PIN 1 -  ORANGE -  BLACK - 0400 - SWITCHED GROUND WHEN REAR IS LOW
PIN 2 -  WHITE - - -  WHITE - 6231 - GROUND FROM SENSING UNIT
PIN 3 -  RED  - - - - -   RED  -  6121 - +12 VOLT FOR SENSING UNIT
PIN 4 -  YELLOW  -  BLACK - 0100 - SWITCHED GROUND WHEN LEFT SIDE IS LOW
PIN 5 -  BLACK - - -  BLACK - 0200 - SWITCHED GROUND WHEN FRONT IS LOW
PIN 6 -  GREEN  - -  BLACK - 0300 - SWITCHED GROUND WHEN RIGHT SIDE IS LOW

SEE WIRE
LEGEND
BELOW

1 4

5

6

3
2

SENSING
   UNIT
  PLUG

HARNESS
   PLUG

EXISTING

CONNECTOR

MAY BE

DIFFERENT

Summary of Contents for SPACEMAKER

Page 1: ...om 725 SERIES LEVELING SYSTEM HWH COMPUTER CONTROLLED R Straight Acting Jacks AP47963 R Pilot Air Dump SPACEMAKER ROOM EXTENSION SYSTEMS AND R RETRACT EXTEND HWH COMPUTERIZED LEVELING SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES STORE AUTO CANCEL AUTO LEVEL TRAVEL BRAKE MODE WARNING EXCESS SLOPE NOT IN PARK R MANUAL RETRAC...

Page 2: ... ALL PEOPLE CLEAR OF VEHICLE WHILE DUMPING AIR FROM THE VEHICLE S SUSPENSION DO NOT MOVE THE VEHICLE IF THE VEHICLE IS NOT AT THE PROPER RIDE HEIGHT CONTACT MANUFACTURER IMPORTANT IF COACH IS EQUIPPED WITH A ROOM EXTENSION READ ROOM EXTENSION SECTION BEFORE OPERATING LEVELING SYSTEM 08APR10 MP14 0014 TECHNICAL SERVICE FOR MOVING THE VEHICLE WHEN NOT AT THE PROPER RIDE HEIGHT KEEP ALL PEOPLE CLEAR ...

Page 3: ...s They are functional only when the ignition is in the ON extended 1 4 to 1 2 inch start the automatic leveling function It will sound if the master JACKS DOWN CONTROL IDENTIFICATION 725 SERIES LEVELING SYSTEM COMPUTER CONTROL or ACC position the system is on and the jacks are It will be on when any one or more jacks are extended button is being pushed RETRACT EXTEND HWH COMPUTERIZED LEVELING SECU...

Page 4: ...h in the EXTEND position will extend the GENERATOR SLIDE Pressing the switch in the RETRACT position will retract the GENERATOR SLIDE Releasing the GENERATOR SLIDE CONTROL SWITCH will halt the operation of the GENERATOR SLIDE UNDERSTAND OPERATOR S MANUAL BEFORE USING TO PREVENT INJURY OR DAMAGE KEEP PEOPLE AND OBSTRUCTIONS CLEAR OF SLIDE MECHANISM WHILE OPENING OR CLOSING RETRACT CORPORATION H GEN...

Page 5: ... pump run time programs will also vary Leveling systems and room extensions that are not controlled by a system processor have no pump run time protection thirty minutes Pump motors used with HWH leveling systems and room extension systems come in 3 different diameters 3 3 7 and 4 5 Contact the vehicle manufacturer or HWH for help with identifying the motor size runs for more than four minutes wit...

Page 6: ...DED TO THE GROUND WARNING NOT IN PARK BRAKE light will go out The Automatic retracted before traveling Leveling function will not start Press the CANCEL button or turn the ignition switch OFF at any time to stop the operation of the system fail to retract completely extend the jacks back down to the ground then retract the jacks again NOTE If the vehicle is parked or stored with the jacks extended...

Page 7: ...ndicator lights off the system will then stabilize the vehicle The switch will turn on when the jack extends to the ground and lifts the vehicle slightly Jacks that have lifted the vehicle for leveling should have pressure switches that are on The sequence starts with the right rear jack If the pressure switch is not on the system will extend the jack as necessary If the switch is on or when it co...

Page 8: ... checked as soon as a safe parking location is found NOTE When the jacks are stored with the ignition in the ON position the warning buzzer will sound until the jacks have retracted to the STORE position If desired the jacks can be stored with the ignition key in the accessory position This will eliminate the warning buzzer while the jacks are retracting 1 Start the engine and press the AUTO STORE...

Page 9: ... AS THE VALVE RELEASE IS OPERATED 1 Locate the manual valve release on each solenoid valve The solenoid valves are located on the power unit valve 2 Allow clearance for the vehicle to lower assembly WARNING KEEP AWAY FROM THE WHEELS 5 Check that all four jacks are now retracted 6 Close the valves by moving the valve release cam to 7 The system should now be repaired before using again 3 Retract th...

Page 10: ...ONTROL SWITCH in the RETRACT position When the slide is fully retracted release the GENERATOR SLIDE CONTROL SWITCH than ten seconds after the slide is fully retracted or stops CONTROL SWITCH in the RETRACT position for more Do not hold the GENERATOR SLIDE IMPORTANT Releasing the GENERATOR SLIDE CONTROL SWITCH will halt the operation of the slide NOTE 4 If the slide will not retract see the MANUAL ...

Page 11: ...TIONS AND INSTRUCTIONS MAY CAUSE FAILURE OF THE MANUAL RETRACT WINCH OR CONNECTIONS RESULTING IN DAMAGE OR PERSONAL INJURY MAINTAIN FIRM GRIP ON THE WINCH HANDLE AT ALL TIMES NEVER RELEASE THE HANDLE WHEN RATCHET LEVER IS IN THE OFF POSITION AND THE WINCH IS LOADED THE WINCH HANDLE COULD SPIN VIOLENTLY AND CAUSE PERSONAL INJURY CHECK THE WINCH AND STRAPS FOR DAMAGE OR WEAR AND CHECK FOR PROPER RAT...

Page 12: ... they should be washed If extremely dirty the jack rods should NOT be wiped The jack rods do not need to be oiled or sprayed with anything ROOM EXTENSIONS The HWH room mechanisms need no maintenance DO NOT grease or lubricate any parts of the HWH mechanism Any visible mechanism can be kept clean by washing with water Refer to the vehicle manufacturer for correct maintenance of the room seals See M...

Page 13: ...facturer or HWH CORPORATION 22NOV16 MP44 0502 Push the AUTO LEVEL button The NOT IN PARK BRAKE indicator light should come on while the AUTO LEVEL button is pushed Release the AUTO LEVEL for service or repair button and set the park brake The leveling system should now function WINTER WEATHER DRIVING have dried This can facilitate corrosion of metallic continue to absorb moisture from the air even...

Page 14: ...ING THE SENSING UNIT AFTER ADJUSTING THE SENSING UNIT BUMP THE SENSING UNIT TO SEE THAT IT IS SETTLED TIGHT AGAINST ALL THREE SCREW HEADS AND STILL INDICATES THAT THE UNIT IS LEVEL Level the vehicle by placing a bubble level in the center of the freezer floor or upon whichever surface within the vehicle that is to be level It is best if the level is placed close to the mounting area of the sensing...

Page 15: ...BREATHER CAP VELOCITY VALVE NOTE SOME MANIFOLDS ARE EQUIPPED WITH VELOCITY VALVES LF RF 3000PSI PRESSURE SWITCH 50PSI PRESSURE SWITCH RR LR MANIFOLDS MAY HAVE FOUR 4 LARGE VALVES OR FOUR 4 SMALL VALVES BE EQUIPPED WITH VALVE RELEASE NUTS OR RELEASE CAMS LARGE AND SMALL VALVES WITH RELEASE NUTS LARGE AND SMALL VALVES WITH RELEASE CAMS PRESSURE 3000 PSI ALTERNATE SWITCH LOCATION NOTE Load center is ...

Page 16: ...ESSURE SWITCH JACK CYLINDER LEFT REAR RIGHT REAR RIGHT FRONT LEFT FRONT MP64 4530 29MAR10 3000 PSI SWITCH LEVELING SYSTEM ROOM EXTENSION MANIFOLD LOCATED HERE WHEN APPLICABLE RR SOL VALVE USED ON AUTOMATIC SYSTEMS ONLY NOTE 50 PSI PRESSURE SWITCH MAY NOT BE USED ON ALL 625 MANIFOLDS 3500 P S I BI AXIS LEVELING WITH STRAIGHT ACTING JACKS 625 625S OR 725 SERIES HYDRAULIC SCHEMATIC DIAGRAM 800 PSI TO...

Page 17: ...R CAP BREATHER EXTEND VALVE GEN SLIDE CYLINDER RETRACT VALVE GEN SLIDE CYLINDER VALVE RELEASE NUT 17JAN11 MP64 7520 NUT RELEASE VALVE NOTE LEVELING MANIFOLD NOT SHOWN TO CHECK OIL LEVEL RETRACT GEN SLIDE SLIDE CYLINDER GENERATOR ROD END CONNECTION CAP END CONNECTION ...

Page 18: ...CTRICAL CONNECTION DIAGRAM JACK WARNING SWITCHES AND PRESSURE SWITCHES SEE ELECTRICAL CONNECTION DIAGRAM LEVELING SYSTEM HYDRAULIC MANIFOLD PUMP AND MASTER RELAYS SEE ELECTRICAL CONNECTION DIAGRAM SENSING UNIT C A B PILOT AIR DUMP DO NOT CUT TERMINATING RESISTOR DO NOT CUT TERMINATING RESISTOR MULTIPLEXED INPUT OUTPUT MODULE SEE ELECTRICAL CONNECTION DIAGRAM 6230 9300 9301 8100 8101 SEE ELECTRICAL...

Page 19: ...VEL SENSING UNIT C1 RED 6121 SHIELD WIRE FOR GREEN YELLOW CAN COMMUNICATION WIRES N A C2 N A GROUND FOR LEVEL SENSING UNIT WHITE C3 6231 SWITCHED GROUND FROM SENSING UNIT REAR 0400 BLACK C4 SWITCHED GROUND FROM LEFT REAR JACK WARNING SWITCH 4000 BLACK C5 NO CONNECTION C6 AND C7 SWITCHED GROUND FROM SENSING UNIT RIGHT SIDE 0300 BLACK C8 D1 RED 6120 12 VOLT ACCESSORY POWER FOR I O MODULE GROUND FOR ...

Page 20: ...5 26 BLACK 8100 SWITCHED GROUND FROM 3000 PSI MANIFOLD PRESSURE SWITCH SWITCHED GROUND FROM SENSING UNIT FRONT BLACK 27 0200 SWITCHED GROUND FROM LEFT FRONT JACK WARNING SWITCH 28 SWITCHED GROUND FROM LEFT REAR JACK WARNING SWITCH 4000 BLACK 29 SWITCHED GROUND FROM RIGHT REAR JACK PRESSURE SWITCH BLACK 30 3200 NO CONNECTION 31 GROUND FOR LEVEL SENSING UNIT WHITE 32 6231 12 VOLT POWER FOR LEVEL SEN...

Page 21: ... MASTER RELAY A C A B 40 AMP FUSE SWITCH 8100 SEE ELECTRICAL CONNECTION DIAGRAM 725 SERIES SINGLE STEP LEVELING SYSTEM PILOT AIR DUMP GND 6231 DUMP 9300 TRAVEL 9301 SEE DETAIL A MULTIPLEX I O MODULE 50 LB PRESSURE SWITCH 4400 1400 2400 3400 8101 8500 6230 GROUND RELAY 6800 DEUTSCH CONNECTOR TO 12 VOLT BATTERY 8600 6230 TO GROUND STUD ON PUMP 6230 POWER UNIT SIDE VIEW GROUND STUD RELAY GROUND I O M...

Page 22: ...A B B A P E D 5100 5000 TO HWH GROUND STUD ON PUMP 6245 1E CYL EXTEND GEN SLIDE EXTEND 1R CYL RETRACT GEN SLIDE RETRACT GENERATOR SLIDE HYDRAULIC MANIFOLD FUSE 5 AMP FUSE 15 AMP 6810 6100 6810 6100 8601 SEE ELECTRICAL CONNECTION DIAGRAM GENERATOR SLIDE GENERATOR SLIDE CONTROL CONNECTIONS JACK WARNING SWITCHES AND PRESSURE SWITCHES 725 SERIES SINGLE STEP LEVELING SYSTEM SEE ELECTRICAL CONNECTION DI...

Page 23: ...TRACT AUTO STORE LEVEL AUTO WARNING BRAKE TRAVEL CANCEL MODE PARK NOT IN EXCESS R SLOPE MANUAL RETRACT EXTEND MANUAL DUMP YELLOW GREEN WIRE COLOR WHITE 5 PIN MTA CONNECTOR 3 4 5 RED PIN 2 1 6800 6230 NUMBER WIRE 12 VOLTS FROM INPUT OUTPUT MODULE CAN SHIELD GROUND FROM CONTROL BOX WIRE DESCRIPTION AND FUNCTION CAN LOW CAN HIGH MP84 3334 PIN 4 PIN 1 6 5 NO CONNECTION 6 PIN UML CONNECTOR 1 THRU 4 SWI...

Page 24: ...0 BLACK 8601 SWITCHED 12 TO I O MODULE FOR PUMP REQUEST PIN 11 RED 6100 12 BATTERY FROM MASTER RELAY PIN 12 KEY PIN 12 PIN DEUTSCH CONNECTOR SEE ELECTRICAL CONNECTION DIAGRAM GENERATOR SLIDE GENERATOR SLIDE HYDRAULIC MANIFOLD ROOM CONTROL PANEL CORPORATION H OBSTRUCTIONS CLEAR OF SLIDE MECHANISM WHILE TO PREVENT INJURY OR DAMAGE KEEP PEOPLE AND UNDERSTAND OPERATOR S MANUAL BEFORE USING WARNING GEN...

Page 25: ...D B LEFT SIDE OF VEHICLE DRIVER SIDE LED C REAR OF VEHICLE LED D RIGHT SIDE OF VEHICLE PASSENGER SIDE WIRE LEGEND PIN 1 ORANGE BLACK 0400 SWITCHED GROUND WHEN REAR IS LOW PIN 2 WHITE WHITE 6231 GROUND FROM SENSING UNIT PIN 3 RED RED 6121 12 VOLT FOR SENSING UNIT PIN 4 YELLOW BLACK 0100 SWITCHED GROUND WHEN LEFT SIDE IS LOW PIN 5 BLACK BLACK 0200 SWITCHED GROUND WHEN FRONT IS LOW PIN 6 GREEN BLACK ...

Page 26: ...L BOX CONTROL BOX THE SYSTEM MAY BE OPERATED IN ACCESSORY WITHOUT THE BUZZER SOUNDING NOTE BY SUPPLYING IGNITION POWER TO THE WARNING BUZZER AND LIGHT AND ACC POWER TO THE STRAIGHT ACTING JACKS A WARNING BUZZER MUST BE USED A MASTER WARNING INDICATOR SHOULD ALWAYS BE USED WHEN THE LEVELING SYSTEM HAS AND IN LINE CONTROL CONNECT THIS END TO 12 VOLT IGNITION ON POWER PIGTAIL W DIODE FUSE HOLDER 6121...

Page 27: ...the valve DO NOT assume that pushing down will open the valve Pushing the cam in the wrong direction could damage the valve result WIRE TIE WIRE TIE HYDRAULIC SOLENOID VALVE INFORMATION INSTRUCTION SHEET INDENTIFICATION MANUAL OPERATIONS REPLACEMENT Manual retract VALVE OPEN CAM RELEASE CAM RELEASE Default position VALVE CLOSED CAM RELEASE Default position VALVE CLOSED position CAM RELEASE VALVE O...

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