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HWH 210 SERIES, Руководство оператора

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The following is a list of problems, and possible solutions, which might occur to the leveling system.

NOTE:
vehicle’s suspension and electrical systems as well as an understanding of the leveling system’s hydraulic and electronics is
required.

TROUBLE SHOOTING

MP55.0

20DEC02

Only qualified technicians should install or repair leveling systems on vehicles.  A knowledge of hydraulics, welding, the

1.

2.

3.

4.

5.

6.

7.

8.

JACK RETRACTS AFTER COACH IS LEVEL.

A.

B.

A.

B.

C.

D.

E.

A.

B.

C.

D.

A.

B.

C.

JACKS WILL NOT RETRACT COMPLETELY.

IGNITION SWITCH IS ON, BUT NO POWER TO PUMP

PUMP WILL NOT ACTIVATE.

Hose or jack has external leak.

Fluid is leaking back to reservoir through the control

Jack clogged with mud or ice.

Main rod bent or scored.

Valve plunger is not completely depressed by valve

Spring weak or broken.

Hydraulic line pinched.

Park brake not set.

12 volts from power source not present.

Faulty PC board.

Faulty wire or electrical connection.

Grounding switch on valve not working.

Pump relay not functioning.

Pump not grounded.

valve.

handle.

AND/OR LIGHTS.

HYDRAULIC PUMP ACTIVATES WITHOUT USE OF

A.

B.

C.

HYDRAULIC PUMP ACTIVATES, BUT THE JACKS

A.

B.

C.

D.

LEVELING LIGHTS (YELLOW) ARE NOT FUNCTIONING

A.

B.

WARNING LIGHTS (RED) ARE NOT FUNCTIONING

A.

B.

C.

CONTROL VALVE HANDLES.

WILL NOT EXTEND.

PROPERLY.

PROPERLY.

Grounding switch at valve shorted.

Pump relay stuck.

Relay control wire shorted to ground.

Store levers not in the operate position.

Oil supply is low in reservoir.

Pump is not developing pressure.

Broken hydraulic line.

Yellow lights will not go out when vehicle is level: ad-

If two or more yellow lights are on replace PC board

Light will not come on: check for broken wire at 

Lights will not go out: bad warning switch or wires

Check PC board.

just sensing unit.

or check level sensing unit.

warning switch on the jack.

are shorted to ground.

Thermal contraction of fluid, jacks not lifting enough

Bezel plate not installed properly - interferes with 

D.

C.

when stabilizing the vehicle.

STORE levers.

210/225 SERIES BI-AXIS VALVE

Содержание 210 SERIES

Страница 1: ...3408 www hwh com 210 SERIES LEVELING SYSTEM HWH JOYSTICK CONTROLLED R Straight Acting Jacks AP13387 U S AP15006 Europe W CORPORATION H H R RIGHT EXTEND HYDRAULIC LEVELING NOT IN ON HWH FRONT EXTEND EXTEND BRAKE PARK REAR EXTEND LEFT ON OFF OPERATE STORE FRONT 5 AMP FUSE REAR STORE REMOVING TIRES OR CRAWLING UNDER VEHICLE BLOCK FRAME AND TIRES SECURELY BEFORE UNDERSTAND OPERATOR S MANUAL BEFORE USI...

Страница 2: ... customer satisfaction Therefore if you discover a defect or HWH CORPORATION strives to maintain the highest level of THIS IS NOT TO BE INTERPRETED AS A STATEMENT OF WARRANTY HOW TO OBTAIN WARRANTY SERVICE 563 724 3396 OR 800 321 3494 Give your name and address coach manufacturer and model year date the HWH CORPORATION 2096 Moscow Rd Moscow IA 52760 notify the Customer Service Department If your d...

Страница 3: ...tion CONTROL BUTTONS INDICATOR LIGHTS ever the corresponding jack is extended approximately 1 inch or more provided the ignition switch is in the ACCESSORY or ON position Some coaches are equipped with a dash mounted master JACKS DOWN light which will be on when one or more jacks the pump and the LEVELING LIGHTS It does not control power to the four red WARNING LIGHTS the master JACKS DOWN system ...

Страница 4: ...ion apply the park brake and block tires securely not have enough stroke to level the vehicle The vehicle may raise a low corner If the ground is too uneven the jacks may take several movements from side to front or side to rear to jack pairs accordingly until all yellow lights are out It may extend jack pairs corresponding to a lit yellow light Extend Move the JACK CONTROL LEVER to the extend pos...

Страница 5: ...l STORE STORE TRAVEL POSITION FRONT REAR JACK CONTROL LEVER LEVER STORE LEVER LEFT RIGHT CAUTION UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE ON OFF EXTEND REAR REAR OPERATE FUSE STORE 5 AMP FRONT STORE HYDRAULIC LEVELING ON EXTEND EXTEND FRONT HWH NOT IN EXTEND PARK BRAKE OPERATE EXTEND POSITION STORE TRAVEL POSITION 2 Vi...

Страница 6: ... CORPORATION to be rebuilt when the system is out of warranty In west or icy weather leveling jacks may become encrusted 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 If driving conditions are unusually muddy the jacks may become caked or clogged with...

Страница 7: ...re or electrical connection Grounding switch on valve not working Pump relay not functioning Pump not grounded valve handle AND OR LIGHTS HYDRAULIC PUMP ACTIVATES WITHOUT USE OF A B C HYDRAULIC PUMP ACTIVATES BUT THE JACKS A B C D LEVELING LIGHTS YELLOW ARE NOT FUNCTIONING A B WARNING LIGHTS RED ARE NOT FUNCTIONING A B C CONTROL VALVE HANDLES WILL NOT EXTEND PROPERLY PROPERLY Grounding switch at v...

Страница 8: ...ACK RIGHT REAR JACK PRESSURE RETURN HYDRAULIC LINE CONNECTION DIAGRAM MP65 04FEB03 LR 200 210 225 SERIES BI AXIS VALVE NOTE Hose fittings at the pump will come directly out of the pump or if equipped with a room manifold out of the top of the room manifold BREATHER FILLER CAP ...

Страница 9: ...ANUAL BEFORE USING BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE ON OFF EXTEND REAR REAR OPERATE FUSE STORE 5 AMP FRONT STORE HYDRAULIC LEVELING ON EXTEND EXTEND FRONT HWH NOT IN EXTEND PARK BRAKE OPERATE WHITE 6230 BLACK 3000 WHITE 6230 ORANGE 1000 WARNING SWITCH BROWN 7699 12 PURPLE 6121 THIS WIRE IS NOT USED WITH ALL SYSTEMS TO 12 ACC FUSE 15 AMP MAX RED 6120 TO...

Страница 10: ...ND STUD TO ATTACH THE GROUND CABLE THAT IS TO BE ATTACHED TO THE GROUND STUD PUMP MUST BE MOUNTED SOLIDLY TO FRAME SOME PUMPS HAVE A GROUND BATTERY FUSE NOTE IF THE PUMP BRACKET IS WELDED TO THE FUSE 10 AMP GROUND STUD NOTE THE FOUR DIGIT WIRE NUMBER SUPERSEDES ANY AND ALL WIRE COLORS CENTRAL GROUND FOR LEVELING SYSTEM FUSED 10 AMP WHITE 6230 PUMP RELAY CONTROL PUMP RELAY SUPPLY SWITCHED GROUND FR...

Страница 11: ...WHITE YELLOW GREEN NO CONNECTION BLACK RED DETAIL B DETAIL A WIRE 1 PARK BRAKE 9000 GROUND WHITE 6230 12V RED 6120 PUMP RELAY POWER BLUE 6820 PUMP RELAY CONTROL BLACK 8600 WIRE 4 LEFT FRONT WARNING SWITCH 1000 WIRE 2 MASTER WARNING 12 6121 WIRE 3 MASTER WARNING CONTROL 7699 NO CONNECTION WIRE SIDE OF CONNECTOR SHOWN WIRE 7 LEFT REAR WARNING SWITCH 4000 WIRE 6 RIGHT REAR WARNING SWITCH 3000 WIRE 5 ...

Страница 12: ...E GND YLW LS BLK FRONT GREEN RS RED REAR WHITE 6230 BLUE 6820 BROWN 7699 LR GREEN 4000 LF ORANGE 1000 RF GRAY 2000 RR BLACK 3000 NEGATIVE PARK BRAKE TO PARK BRAKE LIGHT ON DASH POSITIVE PARK BRAKE 12V IGN 5A BUZZER JACKS DOWN LIGHT LIGHT PANEL CR1 2 CR1 BLUE 9000 BLACK 8600 WHITE RED 6120 NOTE THE FOUR DIGIT WIRE NUMBER SUPERSEDES ANY AND ALL WIRE COLORS AIR DUMP SWITCH YELLOW 6825 BLUE 6820 ...

Страница 13: ...TION SWITCH THE POWER MUST COME FROM THE ON SIDE OF THE IGNITION SWITCH NOT THE ACC SIDE SEE FIGURE 2 BELOW BY SUPPLYING IGNITION POWER TO THE WARNING BUZZER AND LIGHT AND ACC POWER TO THE CONTROL PANEL THE SYSTEM MAY BE OPERATED IN ACCESSORY WITHOUT THE BUZZER SOUNDING THE NEGATIVE SIGNAL FOR THE WARNING INDICATORS MUST ALWAYS COME FROM THE CONTROL PANEL CAUTION THE PURPLE WIRE IN THE MASTER WARN...

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