HWH 325 SERIES Operator'S Manual Download Page 20 | Manualshive

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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

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Summary of Contents for 325 SERIES

Page 1: ...94 or 563 724 3396 Fax 563 724 3408 www hwh com 325 SERIES LEVELING SYSTEM HWH TOUCH PANEL CONTROLLED R Straight Acting Jacks AP31338 W CORPORATION H H R R HWH HYDRAULIC LEVELING CAUTION UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE DUMP OFF STORE NOT IN PARK BRAKE ON Two Room Extensions Pilot Operated Suspension Air Dump ...

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: ...tem is on and the corresponding They are functional only when the ignition is in the ON or yellow level indicators are jacks down WARNING lights The four red lights surrounding the WARNING LIGHTS LEVEL LIGHTS 4 Yellow If a yellow LEVELING light is on that two yellow LEVELING lights can be on at a time The vehicle the appropriate jack pairs to put out the yellow light One or indicates a side corner...

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 three minutes wit...

Page 5: ...Y BEFORE LEVELING THE VEHICLE One or two yellow LEVEL lights can be on at one time Extend jack pairs accordingly until all yellow only while the ON button is being pushed turn on The NOT IN PARK BRAKE light will be on NOTE If the park brake is not set the panel will not 19NOV07 MP35 1520 GENERAL INSTRUCTIONS before extending or retracting any room Read all room extension operating procedures befor...

Page 6: ...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 thermal expansion CAUTION 4 If jacks cannot be retracted by the above procedure see DO NOT MOVE THE VEHICLE WHILE THE LEVELING JACKS ARE STILL IN CONTACT WITH THE GROUND OR IN THE EXTEND POSITION THIS VEHICLE IS EQUIPPED WITH STRAIGHT ACT...

Page 7: ...d now be repaired before using again 3 Using the diagram below identify the style 5 Repeat the process by identifying then opening the two outer valves if applicable LARGE STYLE WITH T HANDLE VALVE RELEASE SMALL STYLE WITH VALVE RELEASE NUT LARGE STYLE RELEASE NUT WITH VALVE PLASTIC PLUG BREATHER CAP Small style with Valve Release Nut DO NOT 1 4 valve release nut more than Turning the nut more cou...

Page 8: ...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 9: ...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 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: ...completely by turning them counterclockwise 2 Gain access to the 13 16 Manual Retraction Bolts one on each mechanism by raising the STORE MORE access panel 1 Determine which extend and retract solenoid valves are assigned to the room Manually 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 ...

Page 12: ...ean 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 Section Note any abnormal operation Review the JACK RETRACTION Section Make sure the jacks will fully retract to the STORE position Jacks should not interfere with ...

Page 13: ...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 14: ...SWITCH 50 PSI RIGHT REAR FRONT RIGHT CHECK VALVES 4 IS SHOWN WITH 1 LARGE VALVE WITH A VALVE RELEASE AND 1 LARGE VALVE WITH A VALVE RELEASE NUT T HANDLE 2 SMALL VALVES WITH VALVE RELEASE NUTS RETRACTION IN OPERATOR S INSTRUCTIONS READ AND UNDERSTAND PROCEDURE FOR MANUAL JACK NOTE BEFORE OPERATING ANY MANUAL VALVE RELEASE THIS MANIFOLD WITH RELEASE SMALL VALVES NUTS CAP BREATHER HERE PRESSURE CHECK...

Page 15: ...Y CHECK VALVE INNER CHECK VALVE OUTER SOL VALVE LR SOL VALVE SOL VALVE SOL VALVE RF RR LF PRESSURE RETURN SHUTTLE VALVE 50 PSI SWITCH JACK CYLINDER LEFT REAR RIGHT REAR RIGHT FRONT LEFT FRONT HYDRAULIC SCHEMATIC 305 310 325 SERIES LEVELING SYSTEM WITH STRAIGHT ACTING JACKS 07MAR03 MP65 3005 ...

Page 16: ...M 2 A CONNECTION DIAGRAMS FOR ROOM EXTENSIONS FOR SPECIFIC CYLINDER CONNECTION DIAGRAMS SEE HYDRAULIC LINE ROOM 2 CYLINDER RETRACT SOLENOID VALVE VALVE RELEASE NUTS ROOM 1 CYLINDER RETRACT SOLENOID VALVE ROOM 1 CYLINDER EXTEND SOLENOID VALVE VALVE RELEASE NUTS ROOM 2 CYLINDER EXTEND SOLENOID VALVE VALVE NOTE HYDRAULIC PUMP SHOWN WITH ROOM EXTENSION MANIFOLD ONLY THE LEVELING SYSTEM MANIFOLD NOT SH...

Page 17: ...T BE THE SAME LENGTH AND DIAMETER THE LINES B1 BETWEEN THE 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 ...

Page 18: ...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 19: ...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 20: ...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 21: ...TCH WARNING SEE ELECTRICAL CONNECTION DIAGRAM 325 SERIES LEVELING SYSTEM LEVELING MANIFOLD PUMP RELAY 7699 9000 9000 LEFT REAR LEFT FRONT RIGHT REAR RIGHT FRONT MP85 6022 29OCT07 TO IGNITION TO ACCESSORY 6120 9300 9301 6230 C B A PILOT AIR DUMP CONNECTION 9300 9301 6230 9300 9301 TO HWH GROUND STUD 6230 6110 PILOT DUMP CONNECTION BY OEM SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE UNDE...

Page 22: ... B A B A 6240 1400 4400 6240 6241 3400 6241 2400 P E D P E D P E D P E D LF LR RR RF RELAY TO 12V BATTERY GROUND STUD 6231 TO HWH 6100 LEVELING MANIFOLD HWH GROUND STUD MP85 6035 30JUL04 6230 TO HWH GROUND STUD 8600 GRAY 12 PIN BLACK 12 PIN NOTE ROOM EXTENSION MANIFOLD NOT SHOWN SEE ELECTRICAL CONNECTION DIAGRAM 325 SERIES LEVELING SYSTEM AIR DUMP 9301 9300 6230 TO HWH GROUND STUD TO PUMP MOTOR MP...

Page 23: ...LOW CAN HIGH YELLOW GREEN WIRE COLOR 4 3 2 1 WHITE PIN NUMBER 6230 WIRE WIRE DESCRIPTION AND FUNCTION PIN 1 SWITCHED BATTERY FROM CONTROL BOX 6800 RED 5 HWH HYDRAULIC LEVELING UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE BRAKE STORE CAUTION OFF DUMP NOT IN ON PARK MP85 2037 ...

Page 24: ... RELAY CONTROL SWITCHED 12 6 7 BLACK BLACK BLACK 12 9 8 11 10 8600 3400 2400 BLACK BLACK 1 2 4 3 5 8101 1400 BLACK 4400 CAN LOW SWITCHED 12 ACCESSORY CAN SHIELD GROUND SWITCHED BATTERY NO CONNECTION GREEN WHITE RED 5 7 4 3 1 AND 2 6230 6800 4 PIN GRAY CONNECTOR 12V BATTERY POWER FROM PUMP RELAY 12V BATTERY POWER FROM PUMP RELAY GROUND FROM HWH GROUND STUD WHITE WHITE RED RED 2 3 4 1 6100 6230 6230...

Page 25: ... BOX TOUCH PANEL OR CONNECTION CABLE F12 F10 F11 F9 F8 F6 F1 F2 F3 F4 1 2 4 3 6 5 7 8 17 18 16 15 11 12 21 22 23 24 29 30 32 33 34 35 36 37 38 39 LED FUSE 15 YELLOW 16 RED 17 YELLOW 18 RED 21 YELLOW 22 YELLOW 23 YELLOW 24 YELLOW 29 RED 30 YELLOW 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...

Page 26: ...CT VALVE ELECTRICAL CONNECTION DIAGRAM TWO ROOM EXTENSIONS BLACK 12 PIN GRAY 12 PIN TOP VIEW 1E 2E 1R 2R PUMP RELAY P E D A B P E D B A B A B A P E D P E D 6810 5150 5151 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 6810 FROM BATTERY MOTOR TO PUMP ...

Page 27: ...2 PIN 9 PIN 6 PIN 3 ROOM CONTROL SWITCHES AND CONNECTIONS ARE SUPPLIED BY 0 E M PIN 1 BLACK 5000 ROOM 1 EXTEND PIN 2 BLACK 5100 ROOM 1 RETRACT PIN 3 BLACK 6810 ROOM 1 SWITCHED BATTERY PIN 4 BLACK 5001 ROOM 2 EXTEND PIN 5 BLACK 5101 ROOM 2 RETRACT PIN 6 BLACK 6811 ROOM 2 SWITCHED BATTERY PIN 7 THRU 12 NO CONNECTION PIN 13 BLACK 8601 PUMP RELAY CONTROL PIN 14 RED 6100 BATTERY PIN 15 NO CONNECTION CO...

Page 28: ...REEN 12 PIN TWO ROOM EXTENSIONS CONTROL 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 5 THRU 8 NO CONNECTION SWITCHED 12 BATTERY FROM PUMP RELAY 6810 BLACK 9 SWITCHED 12 BATTERY FROM PUMP RELAY 6810 BLACK 10 SWITCHED 12 BATTERY FROM PUMP RELAY 6810 BLACK 11 S...

Page 29: ...M 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 CONNECTION BLACK BLACK BLACK BLACK BLACK BLACK BLACK CN2 12 PIN BLACK CONNECTOR SIDE MOUNTED 1 11 10 9 7 8 12 2 3 4 5 6 RED 6810 6100 8601 5000 5100 6811 5001 5101 BLACK 12 PIN PIN 1 PIN 12 CN2 EL...

Page 30: ...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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