HWH 625 Series Manuel utilisateur

OPERATOR’S MANUAL

ML29619/MP05.6002

17DEC02

Touch Panel Leveling Control

BI-AXIS Hydraulic Leveling

FEATURING:

HWH CORPORATION

(On I-80, Exit 267 South)

2096 Moscow Road | Moscow, Iowa 52760

Ph: 800/321-3494 (or) 563/724-3396 | Fax: 563/724-3408

www.hwh.com

625 SERIES LEVELING SYSTEM

HWH TOUCH PANEL-CONTROLLED

Straight-Acting Jacks

AP28848

CORPORATION

(Optional Manual Pilot Dump)

HWH COMPUTERIZED LEVELING

UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES

SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.

CAUTION!

EXCESS

STORE

AUTO

OFF

TRAVEL

MODE

SLOPE

NOT IN

BRAKE

PARK/

CAUTION !

READ THE ENTIRE OPERATOR MANUAL BEFORE OPERATING.

BLOCK FRAME AND TIRES SECURELY BEFORE CRAWLING UNDER VEHICLE. DO NOT USE LEVELING JACKS OR

AIR SUSPENSION TO SUPPORT VEHICLE WHILE UNDER VEHICLE OR CHANGING TIRES. VEHICLE MAY DROP

AND/OR MOVE FORWARD OR BACKWARD WITHOUT WARNING CAUSING INJURY OR DEATH.

WEAR SAFETY GLASSES WHEN INSPECTING OR SERVICING THE SYSTEM TO PROTECT EYES FROM DIRT, METAL

CHIPS, OIL LEAKS, ETC. FOLLOW ALL OTHER APPLICABLE SHOP SAFETY PRACTICES.

OPERATOR’S MANUAL

KEEP ALL PEOPLE CLEAR OF VEHICLE WHILE DUMPING AIR FROM THE VEHICLE’S SUSPENSION.

DO NOT MOVE THE VEHICLE IF THE VEHICLE IS NOT AT THE PROPER RIDE HEIGHT. CONTACT MANUFACTURER

IMPORTANT: IF COACH IS EQUIPPED WITH A ROOM EXTENSION, READ ROOM EXTENSION SECTION BEFORE

OPERATING LEVELING SYSTEM.

HOW TO OBTAIN 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 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 CORPORATION 2096 Moscow Rd. Moscow IA. 52760

address, coach manufacturer and model year, date the

SECOND:

FIRST:

authorization of an independent service facility, to be

defective part, either by appointment at the factory or by the

CORPORATION will authorize repair or replacement of the

determine whether or not your claim is valid. If it is, HWH

HWH CORPORATION personnel will contact you to

during business hours (8:00 a.m. till 5:00 p.m. c.s.t.).

description of the problem, and where you can be reached

determined by HWH CORPORATION. All warranty repairs

must be performed by an independent service facility

authorized by HWH CORPORATION, or at the

HWH CORPORATION factory, unless prior written approval

has been obtained from proper HWH CORPORATION

personnel.

08FEB06

MP15.9800

TECHNICAL SERVICE FOR MOVING THE VEHICLE WHEN NOT AT THE PROPER RIDE HEIGHT.

KEEP ALL PEOPLE CLEAR OF VEHICLE WHILE OPERATING LEVELING SYSTEM OR ROOM EXTENSIONS.

MP25.6010

16MAY07

"OFF" BUTTON:

operation.

ON/AUTO (I) BUTTON:

"STORE" BUTTON:

"STORE" button. This button is used to automatically retract

the jacks.

JACK DOWN LIGHTS:

"NOT IN PARK/BRAKE" LIGHT:

when the hand/auto brake is not set and the "LEVEL"

"TRAVEL MODE" LIGHT:

when the ignition is on, when the jacks are retracted and

there are no red WARNING lights on.

MASTER "JACKS DOWN" WARNING LIGHT:

light mounted in the dash separate from the touch panel.

and the ignition is "ON".

BUZZER:

CONTROL FUNCTIONS

INDICATOR LIGHTS

CONTROL BUTTONS

Push the "OFF" button to stop hydraulic

The store indicator light is above the

This indicator will light

This indicator light will be on

This is a

This is a jacks down warning. It will sound if the

EXTEND BUTTONS (UP ARROWS):

RETRACT BUTTONS (DOWN ARROWS):

LEVELING LIGHTS:

These buttons will

extend their respective jack pairs to lift the vehicle.

These buttons

will retract their respective jack pairs to lower the vehicle.

The four yellow indicating lights are

level sensing indicators. When a yellow light is on, it

indicates that its side, end, or corner of the vehicle is low.

No more than two lights should be on at the same time.

This is the on button and automatic

The four red lights surrounding the

yellow level indicators are jacks down WARNING lights.

They are functional only when the ignition is in the "ON"

extended 1/4 to 1/2 inch.

operation button. The on indicator light is above the (I)

master "JACKS DOWN" warning light is on.

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.

button is being pushed.

INDICATOR LIGHTS (Continued)

HYDRAULIC OPERATIONS (I) LIGHT:

HWH COMPUTERIZED LEVELING

UNDERSTAND OPERATOR’S MANUAL BEFORE USING. BLOCK FRAME AND TIRES

SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.

CAUTION!

HYDRAULIC

Indicator light

STORE

Indicator light

"TRAVEL MODE"

ON/AUTO

Indicator light

OPERATION

Indicator light

"NOT IN PARK"

Button

"OFF"

Button

"STORE"

Button

Manual button

LOWER LEFT SIDE

Manual button

RAISE LEFT SIDE

Indicator light

"EXCESS SLOPE"

EXCESS

STORE

AUTO

OFF

TRAVEL

MODE

SLOPE

NOT IN

BRAKE

PARK/

Manual button

LOWER REAR

Manual button

RAISE REAR

Indicator light

LEVEL SENSING

Manual button

LOWER RIGHT SIDE

Manual button

RAISE RIGHT SIDE

Indicator light

JACK DOWN

Manual button

RAISE FRONT

Manual button

LOWER FRONT

This light indicates

that the panel is active.

STORE LIGHT: This light indicates that the system

is in STORE mode.

(R) (Y) (R)

(Y)

(R)

(Y)

(R)

(Y)

(4) red (R)

(4) yellow (Y)

OPERATING PROCEDURES

MP35.601C

19NOV07

GENERAL INSTRUCTIONS

PREPARATION FOR TRAVEL

If parking on soft ground or asphalt paving, wood blocks or

pads must be placed under the jacks.

Press the "OFF" button and turn the ignition switch "OFF" at

any time to stop the operation of the system.

Any time a hydraulic leveling process is interrupted, retract

the jacks according to the JACK RETRACTION Section and

then restart the leveling process.

If the hand / auto brake is not set when the ""I"" button

is pressed, the "NOT IN PARK/BRAKE" light will come on.

When the ""I"" button is released the "NOT IN PARK/

Before traveling, the red jack warning lights must be off

and the "TRAVEL MODE" light must be on. If lights are

not correct for travel, retract jack as described in the

JACK RETRACTION Section.

If the jacks are retracted but a red "WARNING" light is lit

or the green "TRAVEL MODE" light is not lit, the system

If the jacks cannot be retracted according to the JACK

RETRACTION Section, retract the jacks according to the

MANUAL JACK RETRACTION Section. The system

should then be checked.

TO CHECK THAT ALL JACKS ARE FULLY RETRACTED

LIGHTS. IT IS THE OPERATOR’S RESPONSIBILITY

HAZARD. DO NOT RELY SOLELY UPON WARNING

AND OR THE VEHICLE AND CREATE A DRIVING

EXTENDED CAN CAUSE SEVER DAMAGE TO THE JACKS

MOVING THE VEHICLE WITH THE LEVELING JACKS

VEHICLE IS EQUIPPED WITH STRAIGHT-ACTING JACKS.

THE GROUND OR IN THE EXTEND POSITION. THIS

THE LEVELING JACKS ARE STILL IN CONTACT WITH

DO NOT MOVE THE VEHICLE WHILECAUTION:

ROOM EXTENSION PROCEDURES

Maintain adequate clearance in all directions for vehicle, room

extensions, awnings, doors, steps, etc. Vehicle may move in

any direction due to jacks extending or retracting, settling of

the jacks or the vehicle, equipment malfunction, etc..

Any room extension should be fully retracted before traveling.

DO NOT MOVE THE VEHICLE IF ONE

OR MORE JACKS ARE EXTENDED TO THE GROUND.

CAUTION:

needs to be serviced. INTO THE STORE/TRAVEL POSITION AND THE

VEHICLE IS AT THE PROPER RIDE HEIGHT FOR

BRAKE" light will go out. The panel will NOT turn on.

TRAVELING.

Any time the ""I"" button has been pushed, push the

"STORE" button before traveling.

If this vehicle is equipped with manual pilot dump, make sure

the pilot dump equipment is in the correct position traveling.

FOR VEHICLES EQUIPPED WITH MANUAL SUSPENSION PILOT DUMP

If the vehicle is equipped with an air suspension, the air must

be dumped from the vehicle suspension before leveling the

vehicle. The vehicle will be equipped with a Manual Pilot

Dump. Refer to the vehicle owner’s manual for the proper

operation of the air dump equipment.

CAUTION: Do not travel if the air dump equipment is

not in the proper position for traveling or the vehicle

is not at the proper ride height for traveling.

IMPORTANT: If the vehicle is equipped with a room

extension read this section carefully.

If the vehicle is equipped with kick-down jacks, the wheels

MUST be blocked securely. It is recommended to complete

the Leveling Procedure before operating room extensions.

It is recommended to retract room extensions before

retracting jacks.

IMPORTANT: Do not use a room extension support

Refer to the vehicle owners manual for proper operation of

when the vehicle is supported by the leveling system.

room extensions.

MP35.103J

MP35.601E

30APR10

AUTOMATIC HYDRAULIC LEVELING

WARNING:

IMPORTANT: DO NOT interrupt power to the leveling

1. Place transmission in the recommended position for

parking vehicle and set parking brake. Turn the coach

engine off. Turn the ignition to the "ACCESSORY" position.

2. Press the "LEVEL" button to enter the hydraulic

operation mode. The LEVEL light will glow steady.

3. At this time, the operator may want to check the jacks

and place pads under the jacks if the ground will not

4. Press the "LEVEL" button a second time.

The "LEVEL" light will start to flash.

The system will automatically extend the jacks to level the

vehicle and then extend any remaining jacks for stabilizing.

After the system has finished leveling and stabilizing, and has

completed the air dump cycle, it will automatically shut off.

5. Turn the ignition switch to the "OFF" position.

JACK RETRACTION

THE OPERATOR MUST BE SURE THAT

THERE ARE NO OBJECTS UNDER THE VEHICLE AND THAT

ALL PEOPLE ARE CLEAR OF THE VEHICLE.

system while the "STORE" indicator light is blinking.

DO NOT push the "OFF" button or turn the ignition key. 4. If jacks cannot be retracted by the above procedure see

MANUAL JACK RETRACTION Section.

WARNING:

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-ACTING JACKS. MOVING THE VEHICLE

WITH THE LEVELING JACKS EXTENDED CAN CAUSE

SEVERE DAMAGE TO THE JACKS AND OR THE VEHICLE AND

CREATE A DRIVING HAZARD. DO NOT RELY SOLELY UPON

WARNING LIGHTS. IT IS THE OPERATOR’S RESPONSIBILITY TO

CHECK THAT ALL JACKS ARE FULLY RETRACTED INTO

The system must be allowed to completely finish the

2. Press the "STORE" button. The store indicator light will

flash. As each jack retracts, its red WARNING light will go

out. The system will automatically shut down six minutes after

the four individual red "WARNING" lights are out. If any one

red "WARNING light does not go out, the system will continue

to store for thirty minutes, then shut down regardless of the

"WARNING" lights condition.

NOTE: If the vehicle has an air suspension, the air

3. The vehicle can be moved as soon as the red warning

lights are out, the jacks are in the STORE/TRAVEL position,

the green "TRAVEL MODE" light is on, and the suspension

air bags are inflated to the vehicles proper ride height.

THE STORE/TRAVEL POSITION AND THE VEHICLE IS AT

THE PROPER RIDE HEIGHT.

must be dumped from the suspension before proceeding.

1. Start the engine. Store the jacks immediately.

OPERATING PROCEDURES

625 SERIES LEVELING SYSTEM

support the vehicle.

EXCESS SLOPE SITUATION: In the event the jacks are

unable to level the coach, the "EXCESS SLOPE" light will

come on. Excess slope is one or two jacks fully extending

without turning the yellow level light out. The system will not

stabilize the vehicle if the "EXCESS SLOPE" light comes on.

One or more jacks may not be extended. The system will shut

off leaving the "EXCESS SLOPE" light on. The "EXCESS

SLOPE" light will remain on if the ignition is in the "ON" or

"ACC" position, until the jacks have been fully retracted

turning the red warning lights out. Push the "STORE" button

to retract the jacks. Move the vehicle to a more level position

or level the vehicle as close as possible according to the

MANUAL HYDRAULIC OPERATION section.

NOTE: When traveling thermal expansion may cause

a jack to extend slightly. When the "STORE" button

has been used to retract the jacks, the system will

automatically retract any jack that extends due to

thermal expansion.

STORE mode.

IMPORTANT: If a red warning light and buzzer come on

while traveling, the jacks should be checked as soon as

a safe parking location is found.

NOTE: If this vehicle is equipped with an air suspension,

refer to the vehicles owners manual to return the

suspension to the proper ride height for traveling.

STORE/TRAVEL POSITION

EXTENDED POSITION

JACK POSITIONS

to the ground then retract the jacks again.

extended for an extended period of time and the jacks

NOTE: If the vehicle is parked or stored with the jacks

fail to retract completely, extend the jacks back down

OPERATING PROCEDURES

MP35.601G

09MAR10

MANUAL JACK RETRACTION

been opened far enough to allow the jacks to retract.

the T-Handle will turn harder. Make sure the valves have

will turn several turns easily. As the valve starts to open,

Large style with T-Handle valve release:

power unit. The upper most manifold should control

NOTE: Multiple manifolds may be present on the

retract the jacks.

if the STORE feature on the HWH control panel will not

Use the manual valve release for retracting the jacks only

DO NOT CRAWL UNDER THE VEHICLE, KEEP A SAFE

DISTANCE IN FRONT AND REAR OF THE VEHICLE.

THE VEHICLE MAY DROP AND/OR MOVE FORWARD

OR BACKWARD WITHOUT WARNING AS THE VALVE

RELEASE IS OPERATED.

1. Locate your power unit-manifold assembly.

2. Allow clearance for the vehicle to lower.

WARNING:KEEP AWAY FROM THE WHEELS,

point as internal damage may occur to the solenoid.

incorporated into the Breather Cap. Before using read

NOTE: As of APRIL 2002 a 1/4" Nut Driver has been

and understand the last page of this manual.

6. Check that all jacks are now retracted. If yes, continue.

7. Close the valves by turning each valve release clockwise.

DO NOT tighten the manual valve release past this

IMPORTANT: Once the manual valve release is snug,

8. The system should 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 could damage the valve.

The T-Handle

turn the

jack functions. (Valve styles and arrangements will vary)

POWER UNIT-MANIFOLD ASSEMBLY

MANIFOLD

of your two center valves.

If no, notify the dealership where you purchased the vehicle

or had the leveling system installed or contact

(The diagram below represents a typical Power Unit-

MANUAL JACK RETRACTION

extensions are fully retracted prior to performing

IMPORTANT: HWH recommends that all HWH room

manual jack retraction procedures.

Manifold Assembly it may not be an exact match to yours). 4. Retract the front jacks by opening the two center valves.

Slowly turn the manual valve releases counter clockwise

until the jacks start to retract.

4 and 1/2 turns

HWH Corporation customer service.

valve. Replace the protective plastic plug.

Turning the nut more could damage the

release nut more than

The 1/4" Valve

removed to gain access. Open valve 1-1/2 to 2 full turns.

release nut is located under a plastic plug that must be

turn the 1/4" valve

Large style with Valve Release Nut:

2 full turns.

DO NOT

MP35.384N

MP45.050C

14MAR07

MAINTENANCE

All major components of the system can be replaced

with rebuilt parts or can be sent to HWH CORPORATION to

be rebuilt, when the system is out of warranty.

UNUSUAL CONDITIONS

OIL LEVEL

ELECTRICAL SYSTEM

The batteries should be in good condition and fully charged.

Weak batteries can cause erratic operation. Battery cable

terminals and battery posts and connections should be kept

clean.

All electrical connections, especially ground connections,

should be clean, tight, free from corrosion and protected

from weathering.

OPERATIONAL CHECK

Review the operator manual and run the system in the

automatic and manual mode. Note any abnormal operation.

Check that the vehicle is level when all the yellow LEVEL

indicator lights are out.

Review the JACK RETRACTION Section.

Check the air dump system by using the manual "DUMP"

button according to the MANUAL AIR DUMP section. If the

system will not dump air or return to the proper ride height,

contact your dealer or HWH Corporation.

NOTE:

Contact you dealer or HWH Corporation for assistance.

It is important that the four leveling jacks are fully retracted

before checking the hydraulic oil level. To check the oil

supply, remove the breather cap from the top of the hydraulic

oil reservoir. The oil level should be approximately one inch

below the top of the reservoir when adequately filled.

FLUID: HWH Specialty Hydraulic Oil is recommended. In an

brake fluid or hydraulic jack fluid. Use of these can damage

and can cause staining should a leak occur. DO NOT USE

Dexron automatic transmission fluid contains red dye

emergency Dexron automatic transmission fluid can be used.

seals.

NOTE:

If driving conditions are unusually muddy, the jacks may

become caked or clogged with mud. This condition may

hamper the proper operation of the leveling system. This

problem may be prevented or remedied by cleaning off each

leveling jack if they become excessively muddy.

In wet 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.

Do not move the vehicle while the leveling jacks are still in

contact with the ground. Retract the jacks according to the

"JACK RETRACTION" section and then visually check to

see if the leveling jacks have returned to the

STORE/TRAVEL position.

Check that all lights work according to the INDICATOR

LIGHT section. Correct function of the four red WARNING

lights is essential to the correct operation of the system.

Make sure the jacks will fully retract to the store position.

Jacks should not interfere with any part of the vehicle when

in the store position.

With the jacks extended, check that the jacks can be

retracted using the "T" handles on the solenoid valves.

Refer to the MANUAL JACK RETRACTION section.

NOT IN PARK/BRAKE LIGHT CHECK

1. Turn the ignition on.

2. Set the park brake.

3. Turn the leveling system on.

4. Apply the foot brake or chock the wheels so the

vehicle cannot move.

5. Release the park brake. The Leveling System panel

should turn off.

6. Apply the park brake.

7. If the panel does not turn off when the park brake is

released, the system needs to be checked.

01JUN10

MP45.271M

MP85.6148

SENSING UNIT MAINTENANCE/SERVICE

± 1 inch side to side on a 36 foot vehicle. Typical leveling results will be better.

The sensing unit has an accuracy tolerance of ± 5.4 inches front to rear and

SENSING UNIT ACCURACY TOLERANCE

SENSING UNIT ADJUSTMENT

There are four LED’s on the Sensing Unit, A,B,C and D. Refer

while making the A-C adjustment.

adjustments first, then hold the adjustment nut from moving

Control Box. If two LED’s are on, it is best to make the B-D

be a problem with the Sensing Unit or the mounting of the

be turned more than 3/4 turn to turn the LED out, there may

to be turned more than 1/2 flat or the adjustment screw has to

screw will turn out LED’s A and C. If the adjustment nut has

the adjustment nut to turn out LED’s B and D. The adjustment

to the drawing below. The Sensing Unit is adjusted by turning

MAY BE DIFFERENT

LED’S - LOCATION A

TOP VIEW - SENSING UNIT

D B

7/8, 3/4, 1/2, 5/16 or 1/4 sizes will be needed.

screw driver or sockets w/driver or box end wrenches of

adjustments to the Sensing Unit are needed. A Phillips

are yellow LEVEL lights lit on the Touch Panel, manual

Touch Panel, the sensing unit is properly adjusted. If there

With the vehicle level , if there are no yellow light lit on the

Control Box is mounted to the power unit/valve assembly.

The Sensing Unit is mounted inside the Control Box. The

LEVEL lights. Recheck the level. If more adjustment is

"tweaking" process until the system levels the vehicle

touch panel. Recheck with 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.

yellow level light is turning off too soon. Determine

the vehicle, the front is still low. This means the front

Example: After the initial adjustment and releveling

sensing unit, ignoring the LED’s on the sensing unit.

yellow level lights go out, instead just "tweak" the

needed, DO NOT try to adjust the sensing unit until the

SIDE VIEW - CONTROL BOX

NUT (5/16" OLD) - (1/2" NEW)

ADJUSTMENT

properly.

lights are on. Level the vehicle according to the yellow

vehicle to an unlevel position so one or two yellow

IMPORTANT: When all 4 LED’s are off, move the

If LED (D) is lit: Turn the adjustment nut CLOCKWISE

If LED (B) is lit: Turn the adjustment nut COUNTER

If LED (C) is lit: Turn the adjustment screw CLOCKWISE

If LED (A) is lit: Turn the adjustment screw COUNTER

NOTE: If opposing LED’s are lit, there is a problem with

until the LED is off.

CLOCKWISE until the LED is off.

until the LED is off.

CLOCKWISE until the LED is off.

the Sensing Unit.

ADJUSTMENT SCREW SCREW (Phillips or 1/4")

ADJUSTMENT

NUT (7/8" or 3/4")

(OLD STYLE)

ADJUSTMENT

ADJUSTMENT NUT (5/16" OLD) - (1/2" NEW)

ADJUSTMENT

NUT (7/8" or 3/4")

BOX WALL

CONTROL

(OLD STYLE)

the control box/sensing unit.

be placed on a flat surface close to the mounting location of

use a small bubble level. If using a bubble level, the level should

vehicle trim line to determine level. An alternative would be to

to manually level the vehicle. It is recommended to use the

position the vehicle on a level surface or use the leveling system

To adjust the sensing unit, first the vehicle must be level. Either

NOTE: BEFORE OPERATING ANY MANUAL VALVE RELEASE

READ AND UNDERSTAND PROCEDURE FOR MANUAL JACK

RETRACTION IN OPERATOR’S INSTRUCTIONS.

HYDRAULIC LINE CONNECTION DIAGRAM

MP65.600C

08SEP09

(WITH 4 STRAIGHT-ACTING JACKS)

PUMP/MANIFOLD

ASSEMBLY

SHUTTLE

VALVE

LEFT

FRONT RIGHT

FRONT

RIGHT

REAR

LEFT

REAR

625 OR 625S SERIES LEVELING SYSTEMS

BREATHER

CAP

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.

BE USED ON ALL

SWITCH MAY NOT

PRESSURE

NOTE: 50 PSI

LARGE VALVE

WITH RELEASE

"T" HANDLE

NUT LOCATED

WITH RELEASE

LARGE VALVE

UNDER

PLASTIC PLUG

3500 PSI

LR RF

50 PSI SWITCH

50 PSI

SWITCH

JACK

PRESSURE

SWITCH

JACK

CYLINDER

LEFT REAR RIGHT REAR

RIGHT

FRONT

LEFT

FRONT

MP65.601C

12MAR1

3000 PSI

SWITCH

RELIEF VALVE

625 - 625S - 725 SERIES LEVELING SYSTEM

HYDRAULIC SCHEMATIC DIAGRAM

STEEL TUBE

VALVES (4)

JACK SOLENOID

HYDRAULIC POWER

TOP VIEW

STEEL TUBE

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

NOTE: LARGE SOLENOID VALVES

SHOWN. MANIFOLD MAY BE

EQUIPPED WITH TWO OR FOUR

SMALL SOLENOID VALVES

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