HWH 310 SERIES Operator'S Manual Download

Page: 23 / 25

POWER UNIT/HARNESS

310/325 SERIES, TOUCH PANEL-CONTROLLED LEVELING SYSTEM

3/8-16 NUT

USE GROUNDING STUD AND 3/8" EXTERNAL
STAR LOCKWASHERS AS SHOWN.

CHANNEL

GROUND CABLE
STRAP (NOT USED

3/8-16 NUT

FRAME RAIL

(2 USED)

STRAP (NOT USED

GROUND CABLE

PUMP MOUNTING
POSITIONS

PUMP/MANIFOLD HARNESS

GROUP OF WHITE

WIRES 6 INCHES FROM
END OF LOOM TO BE

ON SOME PUMPS)

GROUNDED TO STUD.

WELDED PUMP MOUNT

SURFACE AND WIRE TERMINALS.

MUST BE USED BETWEEN GROUNDING

IMPORTANT: 3/8" STAR LOCKWASHERS

PUMP MOUNTED REMOTE FROM FRAME

3/8" EXTERNAL STAR LOCK

WASHERS (4 USED)

STAR LOCKWASHERS AS SHOWN.

USE GROUNDING STUD AND 3/8" EXTERNAL

3/8" STAR LOCKWASHERS

MUST BE USED BETWEEN GROUNDING
SURFACE AND WIRE TERMINALS.

IMPORTANT:

GROUNDING INSTRUCTIONS

SEE HYDRAULIC MANIFOLD/
PUMP RELAY ELECTRICAL
CONNECTION DIAGRAM.

CONNECTION DIAGRAM. - (WHITE) 6233

MANIFOLD/PUMP RELAY ELECTRICAL

MANIFOLD GROUND

MANIFOLD GROUND SEE HYDRAULIC

SEE ELECTRICAL CONNECTION
DIAGRAM - ROOM EXTENSION

SYSTEM

CONNECTION

SEE ELECTRICAL

SYSTEM

ROOM
EXTENSION
MANIFOLD
HARNESS

PUMP MOUNTING

DIAGRAM

ROOM EXTENSION

MANIFOLD HARNESS

ROOM EXTENSION

(WHITE) 6245

3/8" EXTERNAL STAR LOCK
WASHERS (3 USED)

GROUND
STUD

6233

(WHITE) 6241
(WHITE) 6240

(WHITE) 6231

(WHITE)

6245

NOTE: THE (4) DIGIT WIRE NUMBER SUPERSEDES

ANY AND ALL WIRE COLORS.

(WHITE) 6241
(WHITE) 6240
(WHITE) 6231
(WHITE) 6230

PUMP
MANIFOLD
HARNESS

NOTE:THE (4) DIGIT
WIRE NUMBER
SUPERSEDES ANY
AND ALL WIRE
COLORS.

(WHITE) 6230

GROUND
STUD

MP85.3051

12MAY03

Summary of Contents for 310 SERIES

Page 1: ... Fax 563 724 3408 www hwh com SPACEMAKER ROOM EXTENSION SYSTEM 310 SERIES LEVELING SYSTEM HWH TOUCH PANEL CONTROLLED and R R Sraight Acting Jacks Dual Cylinder Hydraulic Room Extension W CORPORATION H H R R With Synchronizing Cylinder CAUTION HWH HYDRAULIC LEVELING UNDERSTAND OPERATOR S MANUAL BEFORE USING BLOCK FRAME AND TIRES SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE BRAKE OFF PAR...

Page 2: ...WARRANTY SERVICE THIS IS NOT TO BE INTERPRETED AS A STATEMENT OF WARRANTY HWH CORPORATION strives to maintain the highest level of customer satisfaction Therefore if you discover a defect or problem please do the following 563 724 3396 OR 800 321 3494 Give your name and coach was purchased or the date of system installation Notify the dealership where you purchased the vehicle or had the leveling ...

Page 3: ... BUTTON ON BUTTON OFF BUTTON STORE BUTTON BUTTON This is the ON button for the leveling system It provides control power to operate the electrical relay on the pump the LEVELING lights and the 4 red WARNING lights This button turns off control power to the This button will retract all four jacks at will retract their respective jack pairs to lower the vehicle If a yellow LEVELING light is on that ...

Page 4: ...WITCH When the KEY SWITCH is in the ON POSITION the room can be operated and the key cannot be removed When the KEY SWITCH is in the OFF position the room cannot be operated and the key can be removed The ROOM CONTROL SWITCH is a two position momentary switch Pressing the switch in the EXTEND POSITION will extend the room Pressing the switch in the RETRACT POSITION will retract the room Re leasing...

Page 5: ...ved 5 After the vehicle is level the jacks not used for leveling may be extended until they touch the ground The remaining jacks used to stabilize the vehicle should lift the vehicle slightly after touching the ground This provides additional stability against wind and activity in the vehicle Do this by pushing the front and or rear EXTEND buttons as needed to extend any remaining jacks Do not use...

Page 6: ...ely 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 assistance 1 800 321 3494 room DO NOT reverse direction of the room contact room control switch immediately DO NOT force the If either side of the room stops moving release the after the room is fully retracted or stops moving in the RETRACT position fo...

Page 7: ... the solenoid 7 The system should now be repaired before using again 1 Turn the ignition switch ON and press the ON button one time The ON indicator light will glow steady 2 Press the STORE button As each jack retracts its red WARNING light will go out The vehicle can be moved as soon as the red WARNING lights are out provided the jacks are in the STORE TRAVEL position See FIGURE 1 NOTE 4 Turn the...

Page 8: ...MANUAL RETRACT WINCH IS ENGAGED 7 The system should be repaired before using again WARNING THE MANUAL RETRACT WINCH IS EQUIPPED FOR MANUALLY RETRACTING THE ROOM ONLY IT IS NOT TO BE USED FOR LIFTING OR ANY When manually retracting the room make sure the jacks are retracted before retracting the room OTHER APPLICATION HIGH FORCES ARE CREATED WHEN USING A WINCH CREATING POTENTIAL SAFETY HAZARDS FAIL...

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: ...ENSING UNIT BELOW THE SURFACE MOUNTING FRONT SIDE THIS UP SCREWS 3 SPRINGS 3 Level the vehicle by placing a circular bubble level in the center of the freezer floor or location within the vehicle that is to be level With the vehicle level adjust the sensing unit until all yellow lights are off This is done by drawing up the corresponding screw if the sensing unit is mounted below the surface as sh...

Page 11: ...de interrupted by operating a room extension 5 HYDRAULIC PUMP ACTIVATES BUT THE JACKS WILL NOT EXTEND 6 LEVELING LIGHTS YELLOW NOT FUNCTIONING PROP ERLY A Yellow lights will not go out when vehicle is level adjust sensing unit B If more than two yellow lights are on replace the sen ing unit 7 WARNING LIGHTS RED NOT FUNCTIONING PROPERLY B Lights will not go out bad warning switch or wires are short...

Page 12: ...rounded B Reservoir oil supply is low C Hydraulic line is pinched or broken D Faulty wire electrical connection ROOM CONTROL PUMP or HYDRAULIC CYLINDER 4 ROOM CREEPS OUT AFTER CLOSING A EXTEND SOLENOID VALVE has an internal leak B HYDRAULIC CYLINDER has an internal leak 5 ROOM CREEPS IN AFTER BEING EXTENDED A RETRACT SOLENOID valve has an internal leak ROOM EXTENSION CONTROL SWITCH IS PRESSED prop...

Page 13: ...INDERS AND THE SYNCHRONIZING CYLINDER MUST BE THE SAME LENGTH AND DIAMETER THE B1 LINES MUST BE HIGH PRESSURE HOSE NOTE DIFFERENT TYPES OF HOSE ESPECIALLY HIGH PRESSURE HOSE HAS BEEN USED THE PRINTING ON A 1 8 OR 3 16 HOSE BEING REPLACED MUST MATCH THE ORIGINAL HOSE ALL HWH 1 4 HOSE IS THE SAME WITH SYNCHRONIZING CYLINDER NOTE THESE CONNECTIONS ARE THE SAME FOR EACH ROOM EXTENSION WITH DUAL ROOM C...

Page 14: ...L CYLINDER ROOM EXTENSION SYSTEM W SYNCHRONIZING CYLINDER VERTICAL ARM OR DUAL CYLINDER ROOM EXTENSION SYNCHRONIZING CYLINDER HYDRAULIC CYLINDER HYDRAULIC CYLINDER STEEL TUBE NOTE STEEL TUBE IS USED ON DUAL CYLINDER ROOM EXTENSIONS ONLY ROD END CAP END ROD END CAP END STEEL TUBE 1 8 HIGH PRESSURE HOSE 1 8 HIGH PRESSURE HOSE LR LF RF RR EXTEND VALVE RETRACT VALVE VALVE RELEASE T HANDLES ...

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: ...RNING LIGHT BUZZER CONNECTION DIAGRAM LF 10 WHITE WIRE TO GROUND STUD WHITE 6230 CONTROL BROWN 7699 SWITCH WARNING TO JACK WITH ONE ROOM EXTENSION SYSTEM ELECTRICAL CONNECTION DIAGRAM ROOM EXTENSION SYSTEM TO ROOM EXTENSION OPERATOR S PANELS GRAY 7541 PACKARD CONNECTORS COLORS TO A B ON DO NOT REVERSE WIRE B A B A B A B A YELLOW WHITE 6235 BROWN 6120 TO BRAKE LIGHT ON DASH LABELED TO PARK BRAKE SW...

Page 17: ...TEM CONNECTION LABEL PARK BRAKE BLACK 8100 CABLE INPUT TOUCH PANEL 15 PIN TOUCH PANEL CABLE SLIDE OUT SWITCH WITH ROOM EXTENSION SERIAL NUMBER ORANGE 3400 SEE ROOM EXTENSION OPERATOR S PANEL CONNECTION DIAGRAM POWER HARNESS 12 ACCESSORY ROOM EXTENSION POWER ADAPTOR ROOM EXTENSION PUMP CONTROL HARNESS PUMP CONTROL FROM ROOM EXTENSION OPERATOR S PANEL BROWN 6120 BROWN 6120 12 ACC FUSE GRAY 7541 CONT...

Page 18: ...BOX 3 SWITCHED ACCESSORY 4 FUSED ACCESSORY 5 STORE RETURN 6 PARK BRAKE 7 GROUND STORE BRAKE NOT IN PARK OFF ON ANY AND ALL WIRE COLORS NUMBER SUPERSEDES THE 4 DIGIT WIRE CABLE CONNECTIONS WHITE COMMON 5 YELLOW LEFT SIDE 4 GREEN RIGHT SIDE 2 4 LEFT FRONT YELLOW 1000 5 COMMON WHITE 6235 NOTE 1 LEFT REAR GREEN 4000 2 RIGHT REAR BLACK 3000 3 RIGHT FRONT RED 2000 TOUCH PANEL BLACK FRONT 3 ORANGE RED RE...

Page 19: ...NESS RR RF LF LR PRESSURE SWITCH 50 PSI 310 SERIES LEVELING SYSTEM HYDRAULIC MANIFOLD PUMP RELAY ELECTRICAL CONNECTION DIAGRAM SEE GROUNDING INSTRUCTION DIAGRAM PACKARD CONNECTORS COLORS TO A B ON DO NOT REVERSE WIRE WHITE 6241 WHITE 6240 WHITE 6241 NOTE FUSE 40 AMP FUSE 15 AMP RED 6810 EXTENSION MANIFOLD HARNESS ROOM PUMP RELAY SEE ELECTRICAL CONNECTION DIAGRAM ROOM EXTENSION SYSTEM 6233 NOTE THE...

Page 20: ...3 24 26 12 25 DETAIL A ROOM EXTENSION OPERATOR S PANEL ROOM EXTENSION MANIFOLD HARNESS SEE ELECTRICAL CONNECTION DIAGRAM CONTROL BOX WITH ROOM EXTENSION 12 ACC BROWN BLACK KEY SWITCH VALVE ROOM CONTROL ROCKER SWITCH SEE DETAIL A ROOM EXTENSION PUMP CONTROL HARNESS DETAIL B CAP POPPET O RING SPRING SEE DETAIL B 13 11 12 25 24 26 24 11 BLACK 13 25 26 12 12 FROM PUMP RELAY RED 6810 RETRACT SOLENOID V...

Page 21: ... HYDRAULIC PUMP MANIFOLD ASSEMBLY 12 CHASSIS 15 AMP FUSE CONTACTS ROOM CONTROL SWITCH DPDT ROOM EXTENSION OPERATOR S PANEL BROWN 6120 12 ACC FROM RED 6810 GROUND STUD M PUMP RELAY BATTERY CONTROL BOX CONTROL BOX GRAY 7541 WHITE 6245 YELLOW 5000 WHITE 6245 BLACK 5100 WHITE 6231 GRAY 8600 NOTE THE 4 DIGIT WIRE NUMBER SUPERSEDES ANY AND ALL WIRE COLORS ...

Page 22: ...EXTEND SOLENOID VALVE ROOM 1 CYLINDER RETRACT SOLENOID VALVE VALVE RELEASE NUT VALVE RELEASE NUT ROOM EXTENSION PUMP MANIFOLD HARNESS BOX WITH ROOM EXTENSION DIAGRAM CONTROL ELECTRICAL CONNECTION SEE DETAIL A 26 13 25 24 12 11 12 13 13 11 12 11 25 26 26 24 25 24 O RING POPPET CHECK CAP SPRING VALVE 13 CYLINDER RETRACT SOLENOID VALVE 5100 12 CYLINDER EXTEND SOLENOID VALVE 5000 RELAY 6810 12 FROM PU...

Page 23: ...AL 3 8 STAR LOCKWASHERS MUST BE USED BETWEEN GROUNDING SURFACE AND WIRE TERMINALS IMPORTANT GROUNDING INSTRUCTIONS SEE HYDRAULIC MANIFOLD PUMP RELAY ELECTRICAL CONNECTION DIAGRAM CONNECTION DIAGRAM WHITE 6233 MANIFOLD PUMP RELAY ELECTRICAL MANIFOLD GROUND MANIFOLD GROUND SEE HYDRAULIC SEE ELECTRICAL CONNECTION DIAGRAM ROOM EXTENSION SYSTEM CONNECTION SEE ELECTRICAL SYSTEM ROOM EXTENSION MANIFOLD H...

Page 24: ...P FUSE _ PIGTAIL W DIODE AND IN MASTER LIGHT BUZZER CONNECTION DIAGRAM COMPUTERIZED 310 325 SERIES LEVELING WITH ELECTRONIC SENSING UNIT IGNITION BUZZER DIODE 6111 IMPORTANT PIGTAIL WITH DIODE MUST BE USED OR LEVELING SYSTEM MAY NOT WORK CORRECTLY TO ELECTRONIC SENSING UNIT 6121 7699 MP85 339C 12MAY03 ...

Page 25: ...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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HWH 310 SERIES, Operator'S Manual

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