Lippert Components Auto Level Manuel utilisateur

Hydraulic Leveling

(4 POINT/3 VALVE SPRINTER)

OWNER'S MANUAL

Rev: 06.25.20 Page 2 CCD-0001515

Introduction

NOTE: The hydraulic leveling system was designed for use only on a Sprinter chassis.

The four-point three-valve hydraulic leveling system is a hydraulic system which includes four points of

contact utilizing jacks and a three-valve system. A 12V DC electric motor drives a hydraulic pump that moves

fluid through a system of hoses, fittings and jacks to level and stabilize the coach. Mechanical portions of the

hydraulic leveling system are replaceable. Contact Lippert Components, Inc. to obtain replacement parts.

The hydraulic leveling system is primed and tested at the factory. However, the system is shipped dry to

avoid hazardous material restrictions.

Additional information about this product can be obtained from lci1.com/support or by downloading

the free myLCI app. The app is available on iTunes® for iPhone® and iPad® and also on Google Play™ for

Android™ users. iTunes®, iPhone®, and iPad® are registered trademarks of Apple Inc. Google Play™ and

Android™ are trademarks of Google Inc.

For information on the assembly or individual components of this product, please visit:

https://support.lci1.com/hydraulic-leveling-lcd-br4-point3-valve .

TABLE OF CONTENTS

Introduction 2

Component Description 3

Safety 3

Operation 4

Selecting A Campsite 4

Zero Point Calibration 4

Automatic Leveling Procedure 5

Automatic Leveling Descriptive Logic 6

Manual Leveling Procedure 6

Auto Jack Retract Procedures 7

Manual Jack Retract Procedures 7

Troubleshooting 8

Manual Override of Power System and Jacks 8

Automatic Safety Shuto 9

Drive Away Protection System 9

Jacks Up Verication 9

Low Voltage Signal 9

Error Mode 10

Excess Slope 10

User Alarm Mode 10

Miscellaneous 10

Troubleshooting Table 11

Troubleshooting Table Continued 12

Maintenance 12

Fluid Recommendation 12

Purging the Hydraulic System 12

Preventative Maintenance 13

Wiring Diagram 14-15

Hydraulic Plumbing Diagram 16

Notes 17

Rev: 06.25.20 Page 3 CCD-0001515

The use of the Lippert Components, Inc. Hydraulic Leveling System to support the coach for any reason

other than which it is intended, is prohibited by the Lippert Limited Warranty. The Hydraulic Leveling

System is designed as a leveling system only and should not be used for any reason to provide service under

the coach, e.g. changing tires or servicing the leveling system. Lippert Components, Inc. recommends that a

trained professional be employed to change the tires on the coach. Any attempts to change tires or perform

other service while the coach is supported by the hydraulic leveling system could result in damage to the

coach and/or cause serious injury or death.

NOTE: Images used in this document are for reference only when assembling, installing and/or operating

this product. Actual appearance of provided and/or purchased parts and assemblies may differ.

Component Description

1. Jacks

A. Rated at a lifting capacity of 8,000 lbs each.

B. Standard 9" diameter (63.5 sq in) foot pad on a ball swivel for maximum surface contact on all

surfaces.

C. System operation is powered by a 12V DC motor/pump assembly.

2. Motor/Pump Assembly

A. 12V DC motor

B. Hydraulic fluid reservoir tank, 1.2 gal

C. Control valve manifold

D. Solenoid valve for directing control

3. System Controls

A. Controlled electronically from the touchpad

B. Touchpad can be operated in manual mode or fully automatic mode

4. Fittings and Hoses

A. Fittings - High pressure O-Ring Face or JIC - Size 4

B. Hose - ¼" I.D., 3000 psi - W.P. Rated

Safety

Please read and study the operating manual before operating the leveling system.

The "WARNING" symbol above is a sign that an installation procedure has a safety risk involved and may

cause death or serious injury if not performed safely within the parameters set forth in this manual.

The "CAUTION" symbol above is a sign that a procedure has risk involved that may cause personal injury

and/or product damage if not performed safely and within parameters set forth within this manual.

During servicing make sure that the coach is supported according to the manufacturer's

recommendation. Lift the coach by the frame and never the axle or suspension. Do not go under

the coach unless it is properly supported. Unsupported coaches can fall causing death or personal

injury or product or property. Use proper personal protective equipment damage.

Failure to act in accordance with the following instructions may result in serious personal injury or death.

Moving parts can pinch, crush, or cut. Keep clear and use caution

Rev: 06.25.20 Page 4 CCD-0001515

Selecting A Campsite

When the coach is parked on an excessive slope, the leveling requirements may exceed the jack lift stroke

capability. If the coach is parked on an excessive slope, the coach should be moved to a more level surface

before the leveling system is deployed. "Excess Angle" will appear on the LCD screen if the coach is 3.5

degrees or more out of level front-to-rear, or side-to-side.

Operation

NOTE: It is recommended to have the engine running to maintain the minimum required voltage of 12.75V DC.

The leveling system should only be operated under the following conditions:

4. The coach is parked on a reasonably level surface.

5. The coach “PARKING BRAKE” is engaged.

6. The coach transmission should be in the park position.

7. Make sure all persons, pets and property are clear of the coach while LCI4A3LCD Hydraulic Leveling

system is in operation.

While utilizing leveling blocks and jack pads, all coach wheels MUST NOT leave the ground during

leveling. Lifting all the wheels o the ground creates a condition where severe property damage,

serious personal injury or possible death may occur.

Zero Point Calibration

NOTE: Zero Point Calibration may have been pre-set by the OEM. Verify if Zero Point has already been set.

If not, then recalibration for Zero Point must be performed.

Before auto-leveling features are available, the Zero Point MUST be set. This is the reference point that the

system will return to when an auto-leveling cycle is initiated.

To set the Zero Point, first run a manual leveling sequence to get the coach to the desired level point. Then

activate the Zero Point configuration mode. This mode is enabled by performing the following sequence:

1. Turn the touchpad off.

2. With the touchpad off, perform the following:

A. Press Front (Fig. 1G) five times.

B. Press Rear (Fig. 1J) five times.

3. At this point, an alarm will sound and the display will read "**ZERO POINT CALIBRATION** ENTER to

Set, POWER to Exit."

4. Press ENTER (Fig. 1C) to set the Zero Point.

5. The screen will then display "PLEASE WAIT."

6. An alarm will sound and the screen will display "ZERO POINT SUCCESSFUL."

7. The touchpad will then turn off.

After starting the automatic leveling cycle, it is important to avoid movement in the coach until the

coach is level and the green LED light illuminates in the center of the touchpad. Failure to remain

still during the leveling cycle could have an eect on the performance of the leveling system.

Rev: 06.25.20 Page 5 CCD-0001515

Callout Description

A Up Arrow (UP) - Scrolls up through menu on LCD.

B Down Arrow (DOWN) - Scrolls down through menu on LCD.

C ENTER - Activates modes and procedures indicated on LCD.

DRETRACT - Places leveling system into retract mode - Manual mode ONLY.

Press and hold for several seconds to activate Auto Retract Function.

E LCD Display - Displays procedures and results.

F AUTO LEVEL - Places leveling system into auto level mode.

G FRONT Jack Button - Activates both front jacks in manual mode.

H LEFT Jack Button - Activates left rear jack in manual mode.

I RIGHT Jack Button - Activates right rear jack in manual mode.

J REAR Jack Button - Activates both rear jacks in manual mode.

K Power Button - Turns leveling system on and off.

Fig. 1

Automatic Leveling Procedure

NOTE: Coach requires 12.75V DC to commence auto-leveling function.

NOTE: Refer to Component Description listing in the System Information section for questions regarding

component locations and functions of the four-point three-valve hydraulic leveling system.

NOTE: The engine MUST be running and the parking brake MUST be engaged for the four-point three-

valve hydraulic leveling system to operate.

NOTE: Pressing any button during an automatic sequence will stop the sequence and a "Function Aborted"

error code will occur. Press ENTER to clear the code and then continue the operation or start a new

function.

1. Press the Power Button (Fig. 1K) to turn system on. The green light will illuminate.

2. Press Auto Level (Fig. 1F). LCD Screen will display "Remain Still."

3. The coach will level automatically and indicate "Auto Level - Success" in the LCD display (Fig. 1E).

NOTE: Display will then read "Level - Jacks: Down." Do not press any buttons until this message appears or

a "Function Aborted" error will be displayed.

Rev: 06.25.20 Page 6 CCD-0001515

Grounding

The following steps describe the process of how the auto leveling sequence extends the jacks to the ground.

1. Depending on which end of the coach is lowest to the ground the level sensor in the controller will

activate the jacks, the lowest end first, either front or rear.

A. If the rear of the coach is the lowest end, ground the lowest rear jack first.

B. If the front end is the lowest end, ground the front jack closest to the power unit.

2. Ground the remaining lowest end jack, front or rear.

3. Lift lowest jacks together until level.

4. The leveling system will then ground remaining jacks.

A. If the rear of the coach is the remaining end, ground lowest jack first.

B. If the front of the coach is the remaining end, ground the front jack closest to the power unit.

5. Ground the remaining front or rear remaining end jack

6. Lift remaining end jacks together until level.

Leveling

The following steps describe the process of how the auto leveling sequence levels the coach once the jacks

have been grounded.

NOTE: This process may repeat several times until level.

1. Front-to-Rear

2. Side-to-Side

3. Individually

4. Minor adjustments to confirm grounding.

Manual Leveling Procedure

NOTE: When leveling the coach, level from front-to-rear first. When the coach is level from front-to-rear,

then level the coach from side-to-side.

NOTE: The engine MUST be running and the parking brake MUST be engaged for the

four-point three-valve

hydraulic leveling system

to operate.

NOTE: Coach requires a minimum of 9.5V DC to perform manual leveling.

1. Press the Power Button (Fig. 1K) to turn system on.

2. Press the Up Arrow (UP) or the Down Arrow (DOWN) (Fig. 1A or Fig. 1B) to scroll through control

features until “MANUAL MODE” is displayed.

3. Press ENTER (Fig. 1C).

4. Press FRONT (Fig. 1G) to extend front jacks to the ground.

5. Press REAR (Fig. J) to extend rear jacks to ground, then level the coach front-to-back.

6. Press appropriate LEFT or RIGHT, to level the coach side-to-side.

NOTE: The front jacks will work in pairs, i.e., FRONT operates both front jacks.

NOTE: The right and left rear jacks are used to level the coach side-to-side. Pressing LEFT

(Fig. 1H) on the touch pad will extend the left rear jack. Pressing RIGHT (Fig. 1I) on the touch pad will

extend the right rear jack.

7. Repeat steps 4-6 as needed.

8. Press Power Button (Fig. 1K) to turn system off.

Automatic Leveling Descriptive Logic

After starting the automatic leveling cycle it is very important to avoid movement in the coach

until the coach is level and the green LED light illuminates in the center of the touch pad. Failure to

remain still during the leveling cycle could have an eect on the performance of the leveling system.

Rev: 06.25.20 Page 7 CCD-0001515

9. Visually inspect all jacks to make sure all footpads are touching the ground. If either of the rear jack

footpads is not touching the ground, press LEFT or RIGHT (Fig. 1H or Fig. 1I) to lower the non-compliant

jack to the ground.

Auto Jack Retract Procedures

NOTE: Pressing any button during an automatic sequence will stop the sequence and a "Function Aborted"

error code will occur. Press ENTER to clear the code and then continue the operation or start a new

function.

1. Turn on the system by pressing the Power Button (Fig. 1K) on control panel. The LCD screen will

display "READY Jacks: Down".

2. Press Up Arrow or Down Arrow (Fig. 1A or Fig. 1B) to display "Auto Retract All" on the touchpad.

3. Press ENTER (Fig. 1C) to begin.

NOTE: “AUTO RETRACT” can also be commenced by pressing and holding RETRACT (Fig. D) for one second.

NOTE: To stop the jacks from retracting, turn the system off and back on again by pressing the Power

Button (Fig. 1K) twice. The coach can then be manually leveled by following steps 1-9 in the Manual

Leveling Procedure section. Press ENTER to acknowledge.

4. The jacks will retract and shut off automatically.

5. The display will read "READY - Jacks: Up".

6. Press Power Button (Fig. 1K) on the touchpad to turn off the system.

7. Perform a brief visual inspection around the coach to verify the jacks are fully retracted.

Manual Jack Retract Procedures

1. To retract in the manual mode, press the RETRACT button (Fig. 1D) until it lights. Pressing the FRONT or

REAR jack buttons will operate front or rear jacks in pairs. Pressing the RIGHT or LEFT jack buttons will

operate the right or left rear jacks individually.

All coach wheels MUST NOT leave the ground during leveling. Lifting all the wheels o of the

ground creates a condition where severe property damage, serious personal injury or possible

death may occur.

Check to make sure all jacks are fully retracted before travel.

Rev: 06.25.20 Page 8 CCD-0001515

Fig. 2 Fig. 3

Counterclockwise for Normal Operation

Fig. 4 Fig. 5

Troubleshooting

NOTE: To enter the manual mode, refer to Manual Leveling Procedure section.

Manual Override of Power System and Jacks

In the event that the jacks do not retract, the cartridge valves can be manually overridden.

NOTE: Cartridge valves should be opened prior to operating with any auxiliary power device.

The hydraulic leveling system can be operated in conjunction with auxiliary power devices, like cordless or

power drills. In the event of electrical or system failure, the manual method of retracting the jacks can be

used. A standard handheld drill is all that is required.

Do not over tighten override set screws, as this can damage the valves.

1. Use a ⁄" hex key to turn the manual override clockwise (Fig. 2) on each of the three cartridge valves

(See Plumbing Diagram) to open the valves.

2. Disconnect or shield power cables on the motor.

3. Remove plastic cap (Fig. 3A) from motor coupler.

4. Unplug the wire harness from the directional valve. See Wiring Diagram.

5. Using a ½” socket and auxiliary drive device, e.g. cordless or power drill, insert the ½” socket onto

coupler (Fig. 4A).

6. Run drill in reverse, or counterclockwise direction, to simultaneously retract all jacks.

7. After all jacks have been retracted, turn all manual overrides counterclockwise (Fig. 5).

8. Reinsert previously-removed protective plastic motor coupler cap.

9. Re-attach previously unplugged wire harness to directional valve.

Rev: 06.25.20 Page 9 CCD-0001515

Automatic Safety Shutoff

The touchpad will automatically turn off after four minutes, if left inactive. To reset the system, turn the

coach ignition off, then back on. Press the touchpad's Power Button (Fig. 1K) again.

Drive Away Protection System

If the ignition is in the “RUN” position, the jacks are extended and the operator releases the parking brake,

all indicator lights will flash and the alarm beeper will activate. The leveling system will automatically fully

retract the jacks to clear the alarm, or, if the operator resets the parking brake, the alarm will shut off.

Jacks Up Verification

If the coach ignition is in the "RUN" position, the parking brake is released and the vehicle is in motion; the

leveling system may activate the power unit to ensure retract pressure is high enough to keep jacks fully

retracted. The LCD screen will say "JACKS UP VERIFICATION" until the retract pressure returns to normal

level. The touchpad will then turn off. No beeping will occur and the "JACKS DOWN" dash light will not

illuminate.

Low Voltage Signal

1. The vehicle requires 12.75V DC to operate in the AUTO mode. If the voltage is too low, the screen will

display "Low Voltage."

2. Minimum Voltage - If voltage drops below 9.5V DC during AUTO or MANUAL operation, "Low Voltage"

will appear in the screen and the system will cease operating.

NOTE: Coach will operate in manual mode between 9.5V DC and 12.75V DC.

Rev: 06.25.20 Page 10 CCD-0001515

Error Mode

1. If an error occurs before or during operation, the error will be displayed in the touchpad's LCD screen

(Fig. 1E) and an alarm will sound. To reset common ERROR displays, press ENTER (Fig. 1C).

NOTE: To reset "Return for Service" errors, press ENTER (Fig. 1C) and RETRACT (Fig. 1D) simultaneously.

Refer to Error Code Chart for additional error codes.

2. All normal functions will be disabled while the system is in Error Mode.

Excess Slope

1. The control will not operate at extreme slopes, i.e. 3.5 degrees front and rear and 3.5 degrees side-to-

side.

2. If the coach's display indicates “Excess Angle” or “Out of Stroke “ during an auto-level cycle, move the

coach to a level spot.

User Alarm Mode

If the alarm system detects that the park brake has been disengaged while at least one jack is not fully

retracted, the touchpad will buzz and the LED will signal a park break error to the user. The system will then

perform an automatic retract sequence. No other features are available in this mode.

Miscellaneous

1. A "Re-Level" feature is programmed into the controller. If the jacks are extended and the user presses

AUTO LEVEL (Fig.1F), the system will re-level from that point. The system will not retract before

performing the re-level.

2. System will refuse any operation when a low voltage condition is present.

Error Code Chart

LCD Display What is Happening? What Should Be Done?

Excess Angle Coach not parked on level ground.

Zero point incorrectly calibrated.

Move coach to level ground prior to

starting auto level sequence.

Recalibrate Zero Point.

Excessive Angle Occurs only in manual mode when

the angle of the coach is too severe.

Use the manual functions to return

coach to a more level condition.

Out of Stroke Jack has insufficient length to

complete the leveling procedure. Check the disposition of the jack.

Low Voltage Battery voltage dropped below

9.5V DC during operation.

Turn engine on, check battery

voltage under load.

Function Aborted A button was pressed on touchpad

during Auto Level operation.

Hit enter to acknowledge. Restart

procedure.

Unable to Finish Leveling Excessive movement inside coach

during auto level sequence.

Discontinue movement inside coach

during auto level sequence.

Engage Park Brake Parking brake not set prior to

starting auto level sequence.

Set parking brake prior to starting

auto level sequence.

Comm Error

Check Wiring

NOTE: Screen will not back light.

Wiring connections loose or faulty

between touchpad and controller.

Check connections, replace

communication harness if necessary.

Retract Timeout

Return Levelers for Service

Pressure switch did not sense retract

pressure and pump timed out.

Leaking hose or fitting.

Return levelers for service.

Check for leaks, repair if necessary.

Press enter and retract to clear error.

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