HWH 625S Series Operator'S Manual Download Page 14 | Manualshive

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3500 PSI

RR

LR

RF

LF

50 PSI SWITCH

50 PSI

SWITCH

JACK
PRESSURE
SWITCH

JACK
CYLINDER

LEFT REAR

RIGHT REAR

RIGHT
FRONT

LEFT

FRONT

MP65.601C

12MAR18

3000 PSI
SWITCH

RELIEF VALVE

RR

625 - 625S - 725 SERIES LEVELING SYSTEM

HYDRAULIC SCHEMATIC DIAGRAM

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 WITH TWO OR FOUR
SMALL SOLENOID VALVES

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Summary of Contents for 625S Series

Page 1: ...ELING SYSTEM HWH COMPUTER CONTROLLED R Straight Acting Jacks AP36766 R With Auto Pilot 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 EMERGENCY STORE AUTO STOP AUTO LEVEL TRAVEL BRAKE MODE CAUTION EXCESS SLOPE NOT IN PARK R MANUAL RETRACT E...

Page 2: ...ify 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 Service Department at HWH CORPORATION If your dealer cannot or will not solve the problem notify the Customer Service Department HWH CO...

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 625 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: ... 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 5: ...he jacks again NOTE If the vehicle is parked or stored with the jacks extended for an extended period of time and the jacks Press the leveling system rocker switch to AUTO STORE The jacks will begin to retract If the ignition is in the ON position the master warning light and buzzer will turn off when all four jacks are completely retracted AND OR THE VEHICLE AND CREATE A DRIVING HAZARD DO NOT REL...

Page 6: ...uspension After CAUTION PERSONS AND OBJECTS ARE CLEAR OF THE VEHICLE BUTTON THE OPERATOR MUST BE SURE THAT ALL PRIOR TO PUSHING THE AUTO LEVEL AND THE VEHICLE WILL LOWER IMMEDIATLY AFTER AIR WILL BE EXHAUSTED FROM THE VEHICLE SUSPENSION THE AUTO LEVEL BUTTON IS PUSHED and the park brake is set NOTE One or two yellow level indicator lights on the leveling system touch panel can be on anytime the ve...

Page 7: ...IS EQUIPPED LEVELING JACKS ARE STILL IN CONTACT WITH THE GROUND 3 If the jacks fail to retract see the MANUAL JACK RETRACTION section of this manual a safe parking location is found THE PROPER RIDE HEIGHT The store indicator light will flash and the jacks down buzzer will sound as the vehicle suspension returns to ride height and the jacks retract The front jacks will retract for 2 seconds before ...

Page 8: ...page of this manual for further info 5 Check that all four jacks are now retracted 6 Close the valves by turning the manual valve releases DO NOT tighten the manual valve release past this IMPORTANT Once the manual valve release is snug 7 The system should now be repaired before using again 3 Retract the front jacks by opening the two center valves Slowly turn the manual valve releases counter clo...

Page 9: ...room may be reversed but watch for binding of the room If the direction of the room has been reversed DO NOT re extend the room until the room has been fully retracted If either side of the room stops moving release the room control switch immediately DO NOT force the room DO NOT reverse direction of the room contact HWH Customer Service for assistance 1 800 321 3494 HWH Customer Service for assis...

Page 10: ...lly open the valve release nuts for the extend and retract solenoid valves by turning the 1 4 release nuts counter clockwise 4 and 1 2 turns Turning the 6 Close both manual valve releases assigned to the room Turn the valve release nuts clockwise until snug 4 Move to the second room extension mechanism and repeat step 3 3 If needed using wrench provided a personal wrench or a tire iron with a 13 1...

Page 11: ... if kept clean and free from caked on mud or ice OPERATIONAL CHECK Check that all lights work according to the INDICATOR LIGHT Section Correct function of the red WARNING Review the OPERATOR MANUAL Run the system according to the SYSTEM OPERATION LEVELING Section Note any abnormal operation Review the JACK RETRACTION Section Make sure the jacks will fully retract to the STORE position Jacks should...

Page 12: ...th a level Repeat the relevel the vehicle using the yellow level lights on the the front up more Again unlevel 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 ...

Page 13: ...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 ...

Page 14: ...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 ...

Page 15: ...LINDER ROOM EXTENSION DUAL CYLINDER SEE HYDRAULIC LINE CONNECTION DIAGRAMS ROOM EXTENSION SINGLE CYLINDER CONNECTION DIAGRAMS SEE HYDRAULIC LINE CONNECTION A CAP END CONNECTION B ROD END ROD END CONNECTION B CAP END CONNECTION A 1R 2R 3R CYLINDER RETRACT VALVES CYLINDER EXTEND VALVES END VIEW VALVE RELEASE NUT 3E ROOM 3 CYLINDER EXTEND ROOM EXTEND 3R ROOM 3 CYLINDER RETRACT ROOM RETRACT RETRACT RO...

Page 16: ... ROD END OF THE HYDRAULIC CYLINDERS AND THE SYNCHRONIZING CYLINDER MUST BE THE SAME LENGTH AND DIAMETER THE B1 LINES MUST BE HIGH PRESSURE HOSE WITH SYNCRONIZING CYLINDER NOTE THESE CONNECTIONS ARE THE SAME FOR EACH ROOM EXTENSION WITH DUAL ROOM CYLINDERS AND SYNCHRONIZING CYLINDER NOT ALL TEE 1 8 OR 3 16 HOSE BEING REPLACED MUST MATCH THE ORIGINAL HOSE ALL HWH 1 4 HOSE IS THE SAME DIFFERENT TYPES...

Page 17: ...LE CYLINDER GUIDED ROOM EXTENSION NOTE THE ROD END CONNECTION FROM THE MANIFOLD TO THE ROOM CYLINDER IS ALWAYS PRESSURIZED ROD END CONNECTION B CAP END CONNECTION A CYLINDER RETRACT ROOM RETRACT CYLINDER EXTEND ROOM EXTEND CHECK OIL LEVEL WITH ROOM RETRACTED ...

Page 18: ...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 19: ...HYDRAULIC FLOW DIAGRAM MP65 9459 06NOV02 SINGLE CYLINDER ROOM EXTENSION CYLINDER VEHICLE FIXED TO PRESSURE RETURN STATIONARY POSITION CHECK VALVE EXTEND CYLINDER VALVE RETRACT VALVE CYLINDER ...

Page 20: ...NEL JACK WARNING LIGHTS AND PRESSURE SWITCHES AIR DUMP PARK BRAKE MASTER WARNING LIGHT AND BUZZER A B B A B A B A 6235 4000 4200 3200 6235 3000 6235 1000 1200 2200 6235 2000 WARNING SWITCH SWITCH PRESSURE PRESSURE SWITCH WARNING SWITCH SWITCH WARNING SWITCH PRESSURE SWITCH WARNING PRESSURE SWITCH SEE ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM LEVELING MANIFOLD PUMP AND HYD 7699 9000 ...

Page 21: ...WH 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 RELAY RELAY TO 12V BATTERY MOTOR TO PUMP GROUND STUD 6231 TO HWH 8600 6800 6100 LEVELING MANIFOLD HWH GROUND STUD MP85 102L 09SEP09 6230 TO HWH GROUND STUD 8500 GRAY 12 PIN BLACK 12 PIN NOTE ROOM EXTENSION MANIFOLD NOT SHOWN SEE ELECTRICAL CONNECTION DIAGRAM 625 SERIES LEVELING SYSTEM AI...

Page 22: ...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...

Page 23: ...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 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 5 7 4 3 1 AND 2 6230 6800 4 PIN GRAY CONNECTOR SWITCHED 12V BATTERY P...

Page 24: ...9 30 31 32 33 34 35 36 37 38 39 LED FUSE 15 YELLOW 16 RED 17 YELLOW 18 RED 19 YELLOW 20 YELLOW 21 YELLOW 22 YELLOW 23 YELLOW 24 YELLOW 25 RED 26 RED 27 RED 28 RED 29 RED 30 YELLOW 31 GREEN 32 RED 33 GREEN 34 RED 35 RED 36 RED 37 RED 38 RED 39 RED RIGHT REAR OUTPUT LEFT REAR COIL LEFT REAR OUTPUT RIGHT FRONT COIL RIGHT FRONT OUTPUT LEFT FRONT COIL LEFT FRONT OUTPUT DUMP COIL NOT USED DUMP OUTPUT NO...

Page 25: ...ROOM EXTENSIONS BLACK 12 PIN GRAY 12 PIN TOP VIEW 1E 2E 3E 1R 2R 3R PUMP RELAY RELAY MASTER P E D A B P E D B A P E D B A B B A A B A P E D P E D P E D 6810 5150 5151 5152 5052 5051 5050 TO HWH GROUND STUD ON PUMP 6245 6246 1E ROOM 1 CYL EXTEND ROOM EXTEND 1R ROOM 1 CYL RETRACT ROOM RETRACT 2E ROOM 2 CYL EXTEND ROOM EXTEND 2R ROOM 2 CYL RETRACT ROOM RETRACT 3E ROOM 3 CYL EXTEND ROOM EXTEND 3R ROOM...

Page 26: ...BOX CONNECTION INFORMATION PAGE 1 OF 2 ELECTRICAL CONNECTION DIAGRAM SWITCHED 12 FOR ROOM 2 CYL EXT SOLENOID VALVE 5051 BLACK 3 SWITCHED 12 FOR ROOM 2 CYL RET SOLENOID VALVE 5151 BLACK 4 SWITCHED 12 FOR ROOM 3 CYL EXT SOLENOID VALVE 5052 BLACK 5 SWITCHED 12 FOR ROOM 3 CYL RET SOLENOID VALVE 5152 BLACK 6 7 8 NO CONNECTION 12 BATTERY FROM MASTER RELAY 6810 BLACK 9 12 BATTERY FROM MASTER RELAY 6810 B...

Page 27: ...K 5001 ROOM 2 EXTEND PIN 5 HWH BLACK 5101 ROOM 2 RETRACT PIN 6 HWH BLACK 6811 ROOM 2 SWITCHED BATTERY PIN 7 HWH BLACK 5002 ROOM 3 EXTEND PIN 8 HWH BLACK 5102 ROOM 3 RETRACT PIN 9 HWH BLACK 6812 ROOM 3 SWITCHED BATTERY PIN 10 THRU 12 NO CONNECTION PIN 13 HWH BLACK 8601 PUMP RELAY CONTROL PIN 14 HWH RED 6100 BATTERY PIN 15 NO CONNECTION NOTE THE BOX CONNECTORS ARE KEYED TO PREVENT PLUGGING THE CONNE...

Page 28: ...SWITCHED 12 BATT FROM PUMP RELAY ROOM 1 SWITCHED 12 FOR ROOM EXT FROM CONTROL PANEL ROOM 1 SWITCHED 12 FOR ROOM RET FROM CONTROL PANEL ROOM 1 KEY PIN NO CONNECTION SWITCHED 12 FOR PUMP RELAY FROM CONTROL PANEL 12 BATTERY FROM MASTER RELAY NO CONNECTION SWITCHED 12 FOR ROOM RET FROM CONTROL PANEL ROOM 2 SWITCHED 12 FOR ROOM EXT FROM CONTROL PANEL ROOM 2 SWITCHED 12 BATT FROM PUMP RELAY ROOM 2 NO CO...

Page 29: ...E POWER UNIT RESERVOIR IMPORTANT PRIOR TO REMOVING THE BREATHER CAP EITHER TO CHECK THE OIL LEVEL OR TO USE THE 1 4 NUT DRIVER CLEAN ANY DEBRIS FROM THE TOP OF THE RESERVOIR INCLUDING DEBRIS INSIDE THE 1 4 NUT DRIVER REMOVE ANY PAINT CHIPS OR OTHER DEBRIS FROM THE DIPSTICK BEFORE RETURNING THE BREATHER CAP TO THE RESERVOIR VALVE RELEASE NUT to the valve may result turns counter clockwise Damage NO...

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