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PUMP

MASTER

LEVELING MANIFOLD

PUMP AND MASTER RELAYS WITH PILOT AIR DUMP

625 SERIES LEVELING SYSTEM

ELECTRICAL CONNECTION DIAGRAM

4 PIN
GRAY

TO 50 LB PRESSURE SWITCH - 8101

LEVELING MANIFOLD

TO 3000 LB PRESSURE SWITCH - 8100

TO HWH GROUND STUD - 6240

6240

1400

4400

6240

7601

3400

7600

2400

P.E.D

RELAY

TO +12V
BATTERY

MOTOR

TO PUMP

GROUND STUD

6231 - TO HWH

8600

6800

6100

LEVELING
MANIFOLD

HWH GROUND
STUD

MP85.1035

29OCT07

6230 - TO HWH
GROUND STUD

8500

NOTE: ROOM EXTENSION
MANIFOLD NOT SHOWN

SEE ELECTRICAL
CONNECTION
DIAGRAM
625 SERIES LEVELING
SYSTEM - AIR DUMP

9301

9300

6230

TO HWH
GROUND STUD

PUMP

MOTOR

BROWN

12 PIN

CN3

12 PIN
BLACK

CN7

CN8

BLACK

8 PIN

GRAY

12 PIN

CN6

Содержание 625S Series

Страница 1: ...m 625S SERIES HYDRAULIC LEVELING SYSTEM HWH TOUCH PANEL CONTROLLED R Without Dump R With Dump With Pilot Dump W CORPORATION H H R UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE HWH COMPUTERIZED LEVELING EXTEND RETRACT STORE AUTO LEVEL AUTO NOT IN CAUTION BRAKE TRAVEL EMERGENCY STOP MODE PARK EXCESS R SLOPE MANUAL RETRACT EXT...

Страница 2: ...ATION AND GLOSSARY OPERATION SYSTEM This manual is written in two sections Section 1 is System Operation and Trouble Shooting Steps Section 2 is the Diagrams and Parts Glossary Begin diagnosis of the system with Section 1 This will give the correct operation and function of the system The Trouble Shooting Steps are written in order of operation The Trouble Shooting Steps should be followed in orde...

Страница 3: ...6 volts Batteries must maintain good 6 Do not replace the control box unless the Repair Steps say to replace it Otherwise the malfunctions may damage the new control box 5 Proper grounding of all components is critical See the electrical circuit for specific grounds required Faulty grounds especially for the control box solenoid manifold or the pump assembly may cause control box component damage ...

Страница 4: ...ion 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 625S 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 SECURELY BEFORE REMOVING TIRES OR CRAWLING U...

Страница 5: ...l four level lights are out the computer will extend any jacks not used for leveling to stabilize the vehicle The computer looks for a jack pressure switch from each jack to know all jacks are on the ground NOTE Both front solenoid valves will come on during the stabilize procedure when either front jack pressure switch is not on When both front jack pressure switches are on both front solenoid va...

Страница 6: ...ve is turned on the warning switch is still on the processor will turn the master warning light the buzzer and the appropriate red WARNING light on the touch panel on IMPORTANT When testing a leveling system all four sets of UP and DOWN arrow buttons should be used to make sure the complete system operates correctly including the red WARNING lights and the yellow LEVEL lights If the system will no...

Страница 7: ...FORE REMOVING TIRES OR CRAWLING UNDER VEHICLE CAUTION EXTEND RETRACT TOUCH PANEL HWH COMPUTERIZED LEVELING EXCESS SLOPE R BRAKE PARK TRAVEL MODE STOP EMERGENCY NOT IN AUTO STORE LEVEL AUTO EXTEND RETRACT MANUAL 6235 9300 9301 2000 B A 2200 CONNECTION PILOT DUMP RIGHT FRONT BY OEM SWITCH PRESSURE ELECTRICAL CONNECTION DIAGRAM check LED s 36 37 and 39 LED 39 should be flashing flashes replace the to...

Страница 8: ...SEE MP85 185J MASTER WARNING LEFT FRONT LIGHT SWITCH PARK BRAKE TOUCH PANEL JACK WARNING LIGHTS AND PRESSURE SWITCHES PILOT AIR DUMP PARK BRAKE MASTER WARNING LIGHT AND BUZZER MP85 091C 9001 TO PARK BRAKE 7699 DIODE 7699 7699 9000 LIGHT 9000 7699 12 PIN BLACK BLACK 8 PIN GRAY 4 PIN BROWN 12 PIN 12 PIN GREEN 12 PIN GRAY WARNING DIAGRAM 625 SERIES MANIFOLD PUMP AND MASTER RELAYS 6230 6231 SWITCH SEE...

Страница 9: ...UTPUT PUMP COIL MASTER RELAY OUTPUT MASTER RELAY COIL DUMP OUTPUT DUMP COIL LEFT FRONT OUTPUT LEFT FRONT COIL RIGHT FRONT OUTPUT RIGHT FRONT COIL LEFT REAR OUTPUT 24 YELLOW 23 YELLOW 22 YELLOW 21 YELLOW 20 YELLOW 19 YELLOW 17 YELLOW 27 RED 26 RED 25 RED 18 RED CRX 1 15 YELLOW 13 YELLOW 11 YELLOW 7 YELLOW 5 YELLOW 16 RED 14 RED 12 RED 8 RED 6 RED 4 RED LEFT REAR COIL RIGHT REAR OUTPUT RIGHT REAR CO...

Страница 10: ...T REAR PRESS SW 3000 LB PRESS SW INPUT MASTER WARN CONTROL 50 LB PRESS SW INPUT JACK INTERRUPT ACCESSORY OUT FOR MASTER WARNING RIGHT REAR PRESS SW PARK BRAKE BOARD ENABLE ACCESSORY IN LINK LIGHT NOT USED NOT USED PF4 ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM CONTROL BOX LED FUSE LOCATION AND DESCRIPTION LEFT 31 LED FUSE 2 F2 11 12 4 DUMP F1 TRAVEL MASTER 22 23 24 25 21 29 30 RELAY ...

Страница 11: ...S IT IS ONLY USED WITH PILOT OPERATED AIR DUMP LED S 19 AND 20 YELLOW WILL BE ON WHENEVER THE TOUCH PANEL IS ON UNLESS THE STORE BUTTON IS PUSHED TWO SECONDS AFTER THE STORE BUTTON IS PUSHED LED s 7 AND 20 WILL TURN OFF 5 SECONDS LATER LED S 3 AND 19 WILL TURN OFF IF A YELLOW LED IS NOT LIT THERE IS A PROBLEM WITH INPUT VOLTAGE IN THE NO RED LED IS COMING ON THERE MAY BE IF THE YELLOW LED S ARE WO...

Страница 12: ...o PART 7 If there is power on the 6800 wire fuses F1 F2 F3 and F4 are OK and the red LEDs will not come on replace the control box that indicates there may be a problem with the system grounds or the voltage supply to the pump motor MASTER RELAY OUTPUT F7 5 AMP 14 RED PUMP RELAY RELAY MASTER TRAVEL DUMP LATER LED S 3 AND 19 WILL TURN OFF IS PUSHED LED s 7 AND 20 WILL TURN OFF 5 SECONDS PUSHED TWO ...

Страница 13: ...STEM PUMP AND MASTER RELAYS WITH PILOT AIR DUMP MP65 600C RR ROOM EXTENSION MANIFOLD NOT SHOWN LEVELING MANIFOLD TO 50 LB PRESSURE SWITCH 8101 TO 3000 LB PRESSURE SWITCH 8100 MANIFOLD NOT SHOWN NOTE ROOM EXTENSION P E D 7600 MANIFOLD TO HWH GROUND STUD 6240 LEVELING A A B A B 1400 4400 6240 6240 P E D P E D B A B 2400 7601 3400 P E D RF LF LR LEVELING MANIFOLD RR MANIFOLDS SWITCH NOTE SOME ARE EQU...

Страница 14: ...RE SWITCHES PILOT AIR DUMP PARK BRAKE MASTER WARNING LIGHT AND BUZZER WARNING SWITCH PRESSURE 6111 BUZZER TO HWH GROUND 6111 PARK BRAKE SWITCH DIODE 7699 DIODE 7699 7699 WARNING MASTER LIGHT LEFT FRONT 6110 5AMP FUSE 1200 SWITCH 1000 A B 6235 9001 TO PARK BRAKE LIGHT 9000 _ 9000 7699 NOT IN TRAVEL BRAKE SLOPE EXCESS HWH COMPUTERIZED LEVELING TOUCH PANEL CAUTION SECURELY BEFORE REMOVING TIRES OR CR...

Страница 15: ...TION DIAGRAM CONTROL INFORMATION ABOUT PIN CONNECTIONS SEE NOTE FOR DETAILED INPUT OUTPUT PIN 1 27 CORRESPONDING RELAY ON BOX CONNECTION INFORMATION LEFT SIDE GROUND 12V REAR FRONT RIGHT SIDE 28 39 SENSING UNIT FUSE LED DUMP 12 11 25 24 26 21 23 22 29 30 RELAY RELAY MASTER F7 F6 14 13 PUMP TRAVEL 17 18 15 16 F8 38 36 37 38 RED 39 RED 37 RED 34 RED 36 RED 35 RED 33 GREEN 31 GREEN 30 YELLOW 32 RED 2...

Страница 16: ...automatic leveling function AUTO LEVEL INDICATOR LIGHT INDICATOR LIGHTS button is being pushed start the automatic leveling function will retract their respective jack pairs to lower the vehicle extend their respective jack pairs to lift the vehicle RETRACT BUTTONS DOWN ARROWS EXTEND BUTTONS UP ARROWS CONTROL BUTTONS when the hand auto brake is not set and the AUTO LEVEL NOT IN PARK BRAKE LIGHT fo...

Страница 17: ...e can cause erratic operation 1 Recheck the manual buttons If they function correctly the problem is the touch panel 50 LB PRESS SW INPUT 33 GREEN LEFT SIDE LATER LED S 3 AND 19 WILL TURN OFF IS PUSHED LED s 7 AND 20 WILL TURN OFF 5 SECONDS PUSHED TWO SECONDS AFTER THE STORE BUTTON TOUCH PANEL IS ON UNLESS THE STORE BUTTON IS LED S 19 AND 20 YELLOW WILL BE ON WHENEVER THE IT IS ONLY USED WITH PILO...

Страница 18: ...AMP F6 5 AMP F7 5 AMP F8 5 AMP F9 5 AMP RIGHT REAR COIL LEFT REAR OUTPUT RIGHT FRONT COIL RIGHT FRONT OUTPUT LEFT FRONT COIL LEFT FRONT OUTPUT MASTER RELAY COIL RIGHT REAR OUTPUT LEFT FRONT WARN SW RIGHT FRONT WARN SW MASTER RELAY OUTPUT PUMP OUTPUT TRAVEL COIL TRAVEL OUTPUT PUMP COIL CRX 1 CRX 2 DUMP COIL DUMP OUTPUT LEFT REAR COIL RELAY DESCRIPTION TOUCH PANEL JACK WARNING LIGHTS AND PRESSURE SW...

Страница 19: ...arning light will not go out the system 7 Six minutes after the last red warning light goes out the touch panel will turn off 6 The red warning lights on the touch panel will go out as each jack retracts within 1 4 to 1 2 inch 5 Five 5 seconds later the rear jacks will start to retract and buzzer will be on while the jacks are retracting 1 The ignition must be in the ON or ACC position If the igni...

Страница 20: ...ks The ignition must be on Make sure the STORE light is ON Check the YELLOW 17 LED and the RED 18 LED for travel Only the RED 18 LED should be lit If LED 18 is lit check for 12 volts between the white ground wire and the 9301 wire in the HWH 4 pin UML plug If power is not present the problem is either the white ground wire the 9301 wire or their connections If power is present the problem is with ...

Страница 21: ... valve may result turn counter clockwise Damage NOTE DO NOT turn the valve release nut more than 1 full PLASTIC PLUG REMOVE TO GAIN ACCESS TO THE 1 4 VALVE RELEASE NUT SOLENOID VALVE 2 1 4 DIAMETER 2 1 4 DIAMETER SOLENOID VALVE T HANDLE RELEASE turn several turns easily As the valve starts to open NOTE Turning counter clockwise the T Handle will the T Handle will turn harder Make sure the valves h...

Страница 22: ...el the vehicle then the front yellow light to stay on slightly longer to bring instructions for LED s A B C and D This will allow the OPPOSITE direction that is given in the above Move the adjustment for that light very very slightly in which sensing unit light is the front light A B C or D yellow level light is turning off too soon Determine the vehicle the front is still low This means the front...

Страница 23: ...ED WHEN LOOKING DOWN FROM THE TOP OF THE CONTROL BOX REMOVE THE RUBBER RING AND PLASTIC COVER ONLY IF NEEDED THE RING AND COVER MUST BE REINSTALLED FRONT OF VEHICLE FRONT OF VEHICLE FRONT OF VEHICLE FRONT OF VEHICLE PLEXIGLASS PLEXIGLASS JUMPERS JUMPERS PLEXIGLASS PLEXIGLASS JUMPERS MOVE JP2 ONLY JUMPERS IN ORDER TO SET THE JUMPERS AS NEEDED TO PROGRAM THE SENSING UNIT TO THE COACH MOUNTED ORIENTA...

Страница 24: ...EPLACEMENT 325 AND 625 AFTER MARKET INSTALLATIONS OR INSTRUCTION SHEET JUMPER PLACEMENT FOR THOROUGHLY BEFORE PROCEEDING INSTRUCTIONS READ STOP IMPORTANT 325 AND 625 ELECTRONIC SENSING UNITS USED IN AFTER MARKET INSTALLATIONS OR REPLACEMENT SITUATIONS ARE PROGRAMMABLE DURING INSTALLATION OF A SYSTEM OR REPLACEMENT OF AN ELECTRONIC SENSING UNIT DO NOT ASSUME THAT THE SENSING UNIT JUMPERS ARE PRE SE...

Страница 25: ...AP VELOCITY VALVE NOTE SOME MANIFOLDS ARE EQUIPPED WITH VELOCITY VALVES PRESSURE 50 PSI SWITCH PRESSURE 3000 PSI SWITCH ROOM EXTENSION MANIFOLD NOT SHOWN THIS MANIFOLD T HANDLE 2 SMALL VALVES WITH VALVE RELEASE NUTS AND 1 LARGE VALVE WITH A VALVE RELEASE NUT IS SHOWN WITH 1 LARGE VALVE WITH A VALVE RELEASE LF RF LR RR NUTS SMALL VALVES WITH RELEASE CHECK PUMP PRESSURE HERE MP65 2802 625 MANIFOLDS ...

Страница 26: ...AGRAM STEEL TUBE VALVES 4 JACK SOLENOID M HYDRAULIC POWER TOP VIEW STEEL TUBE RF CHECK VALVE 4 INNER LEVELING SYSTEM SOLENOID MANIFOLD ASSEMBLY 50 PSI PSW SHUTTLE VALVE PRESSURE PORT OUTER CHECK VALVE 4 LEVELING SYSTEM SOLENOID MANIFOLD ASSEMBLY 3000 PSI PSW 800 PSI TO SHIFT SHUTTLE VALVE SHUTTLE VALVE MAY NOT BE ON ALL 625 MANIFOLDS LF LR NOTE LARGE SOLENOID VALVES SHOWN MANIFOLD MAY BE EQUIPPED ...

Страница 27: ... 1200 2200 6235 2000 WARNING SWITCH SWITCH PRESSURE PRESSURE SWITCH WARNING SWITCH SWITCH WARNING SWITCH PRESSURE SWITCH WARNING PRESSURE SWITCH SEE 625 SERIES LEVELING SYSTEM LEVELING MANIFOLD PUMP AND MASTER RELAYS 6121 7699 9000 9000 6120 TO ACCESSORY 6230 TO HWH GROUND STUD 6800 6120 TOUCH PANEL HARNESS SEE 625 SERIES LEVELING AND MASTER RELAYS MANIFOLD PUMP SYSTEM LEVELING UNDERSTAND OPERATOR...

Страница 28: ...E ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM LEVELING MANIFOLD PUMP AND 7699 9000 9000 LEFT REAR LEFT FRONT RIGHT REAR RIGHT FRONT MP85 091C 29OCT07 TO IGNITION TO ACCESSORY 6120 MASTER RELAYS C B A PILOT AIR DUMP CONNECTION 9300 9301 6230 9300 9301 TO HWH GROUND STUD 6230 6110 6231 6231 6230 6231 9301 9300 PILOT DUMP CONNECTION BY OEM MANUAL HWH COMPUTERIZED LEVELING SECURELY BEFORE...

Страница 29: ... SWITCH 8100 TO HWH GROUND STUD 6240 B A A B B A B A 6240 1400 4400 6240 7601 3400 7600 2400 P E D P E D P E D P E D LF LR RR RF 8600 6800 LEVELING MANIFOLD HWH GROUND STUD TOUCH PANEL HARNESS 8500 MOTOR PUMP MOTOR 9 TO PUMP 7 6 RELAY PUMP 4 5 RELAY MASTER 1 3 8 2 BATTERY TO HOUSE GROUND STUD 6230 TO HWH 6231 TO HWH GROUND STUD 8 PIN BLACK CN8 CN7 BLACK 12 PIN CN3 12 PIN BROWN 12 PIN GRAY CN6 ...

Страница 30: ...400 4400 6240 7601 3400 7600 2400 P E D P E D P E D P E D LF LR RR RF RELAY RELAY TO 12V BATTERY MOTOR TO PUMP GROUND STUD 6231 TO HWH 8600 6800 6100 LEVELING MANIFOLD HWH GROUND STUD MP85 1035 29OCT07 6230 TO HWH GROUND STUD 8500 NOTE ROOM EXTENSION MANIFOLD NOT SHOWN SEE ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM AIR DUMP 9301 9300 6230 TO HWH GROUND STUD PUMP MOTOR 2 8 3 1 4 5 6 7...

Страница 31: ...30 P E D 9300 B A LEVELING MANIFOLD TO 3000 LB PRESSURE SWITCH 8100 TO HWH GROUND STUD 6240 B A A B B A B A 6240 1400 4400 6240 7601 3400 7600 2400 P E D P E D P E D P E D LF LR RR RF 8600 6800 LEVELING MANIFOLD HWH GROUND STUD TOUCH PANEL HARNESS MP85 1045 29OCT07 PUMP MOTOR 9 MOTOR TO PUMP 7 6 PUMP RELAY 4 5 MASTER RELAY 3 1 2 8 BATTERY TO HOUSE 6230 TO HWH GROUND STUD 6231 TO HWH GROUND STUD 12...

Страница 32: ...YELLOW LED INDICATES THERE IS A GROUND DIAGRAM CONTROL BOX CONNECTION INFORMATION NOTE FOR DETAILED INPUT OUTPUT INFORMATION ABOUT PIN CONNECTIONS SEE ELECTRICAL CONNECTION LOCATION 9 BOARD OLD 39 38 37 36 36 F12 38 37 F2 F1 FUSE LED 2 DUMP 4 11 12 REAR RIGHT 1 3 REAR LEFT F3 19 F4 32 F9 22 27 28 26 24 25 23 21 29 31 30 15 16 MASTER RELAY RELAY F6 13 14 F7 6 PUMP TRAVEL F8 18 17 8 F10 33 34 35 F11...

Страница 33: ...CR7 CR8 CR9 GND CN3 CN8 PF4 PF3 F10 Y Y Y Y R R R R T2 CN9 R R R R LD39 LD36 LD37 LD38 1 12 1 12 8 1 12 1 12 LD21 LD22 LD23 LD24 LD25 LD26 LD27 LD28 LD29 LD30 LD31 LD32 LD33 LD34 LD35 AUX CL CH SHIELD GND IGN OUT GND IGN CIRCUIT BOARD CONNECTOR AND PIN LOCATIONS A32433 5 PROGRAM CHIP 4 PIN GRAY CONNECTOR 1 2 3 4 ...

Страница 34: ...WITCHED 12 FOR RIGHT REAR SOLENOID VALVE SWITCHED 12 FOR RIGHT FRONT SOLENOID VALVE SWITCHED 12 FOR DUMP PUMP RELAY CONTROL SWITCHED 12 7600 6 BLACK BLACK BLACK BLACK BLACK 12 9 7 8 11 10 8600 7601 3400 2400 BLACK BLACK BLACK 12 PIN BROWN CONNECTOR CN3 1 4 2 3 5 8100 8101 1400 BLACK 4400 CAN LOW 12 ACCESSORY IGNITION CAN SHIELD GROUND SWITCHED BATTERY NO CONNECTION GREEN WHITE RED 8 PIN BLACK CONN...

Страница 35: ...OP 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 SWITCHED BATTERY FROM CONTROL BOX CAN SHIELD GROUND FROM CONTROL BOX WIRE DESCRIPTION AND FUNCTION CAN LOW CAN HIGH MP85 2930 PIN 4 PIN 1 2 6 4 3 5 STORE LEVEL NO CONNECTION ACCESSORY LED 12V ACC FROM TOUCH PANEL SW 12V FROM SW TO TOUCH PANE...

Страница 36: ...LING SYSTEM HAS STRAIGHT ACTING JACKS A WARNING BUZZER MUST BE USED NOTE BY SUPPLYING IGNITION POWER TO THE WARNING BUZZER AND LIGHT AND ACC POWER TO THE CONTROL BOX THE SYSTEM MAY BE OPERATED IN ACCESSORY WITHOUT THE BUZZER SOUNDING THE NEGATIVE SIGNAL FOR THE WARNING INDICATORS MUST ALWAYS COME FROM THE CONTROL BOX PIGTAIL W DIODE AND IN LINE FUSE HOLDER 6121 PIGTAIL PROVIDED 7699 IGNITION JACK ...

Страница 37: ... suspension Normally the complete harness for this system is supplied by HWH There are two wires to each valve a white wire and a black number 9300 wire The HWH control box switches 12 volts to open the air dump valves each solenoid valve The check valves allow two solenoid valves to be opened at the same time without fluid flowing from one jack to the other This keeps the vehicle from dropping wh...

Страница 38: ...l light is on and this switch closes the control box will turn the EXCESS SLOPE light that is on the touch panel on The panel will turn off with the EXCESS SLOPE light remaining on The EXCESS SLOPE light will be on whenever the ignition is on until the jacks are completely retracted with the STORE button or the park brake is released with the ignition on PRESSURE SWITCH JACK This pressure switch i...

Страница 39: ...f both sides of the relay coil the small posts should show a ground With the relay on one small post should show 12 volts the other small post should show ground If the ground is missing both small posts will show 12 volts The master relay will be on whenever the POWER ON light on the touch panel is on or while a room control switch is being pushed to EXTEND or RETRACT RELAY PUMP The pump relay is...

Страница 40: ...l into the contacts closing the circuit One wire supplies a ground to the switch the other wire carries a ground signal to the control box when the jack is in the vertical position and the steel ball is shorting the contacts together The control box then turns on the appropriate red WARNING light on the touch panel When the jack is in the horizontal position the ball rolls away form the contacts o...

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