Hydraulic Landing Gear-Web.pmd
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1. uva sena X010 40 mauva 27 ano 05 a Ds SIG 5 152. 5 LIPPERT COMPONENTS Lanpinc Gear HLG OPERATION AND SERVICE MANUAL TABLE OF CONTENTS SYSTEM WARNING FAILURE TO ACT IN ACCORDANCE WITH THE FOLLOWING MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH THE USE OF THE LIPPERT HYDRAULIC LANDING GEAR TO SUPPORT THE COACH FOR ANY REASON OTHER THAN WHICH IT IS INTENDED IS PROHIBITED BY LIPPERT S LIMITED WARRANTY THE LIPPERT LEVELING SYSTEM IS DESIGNED AS A LEVELING SYSTEM ONLY AND SHOULD NOT BE USED TO PROVIDE SERVICE FOR ANY REASON UNDER THE COACH SUCH AS CHANGING TIRES OR SERVICING THE LEVELING SYSTEM LIPPERT COMPONENTS INC RECOMMENDS THAT A TRAINED PROFESSIONAL BE EMPLOYED TO CHANGE THE TIRE ON THE COACH ANY ATTEMPTS TO CHANGE TIRES OR PERFORM OTHER SERVICE WHILE COACH IS SUPPORTED BY THE LIPPERT HYDRAULIC LANDING GEAR COULD RESULT IN DAMAGE TO THE COACH AND OR CAUSE SERIOUS PERSONAL INJURY OR DEATH WARNING BE SURE TO PARK THE COACH ON SOLID LEVEL GROUND WARNING CLEAR ALL JACK LANDING LOCATIONS OF DEBRIS AND OBSTRUCTIONS LOCATIONS SHOULD ALSO BE FREE OF DEPRESSIONS WARNING WHEN PARKING THE COACH ON EXTREMELY SOFT SURFACES UTILIZE LOAD DISTRIBUTION PADS UNDER EACH JACK WARNING PEOPLE AND PETS SHOULD BE CLEAR OF COACH WHILE OPERATING LEVELING SYSTEM WARNING BE SURE TO KEEP HANDS AND OTHER BODY PARTS CLEAR OF FLUID LEAKS OIL LEAKS IN THE LIPPERT HYDRAULIC LANDING GEAR MAY BE UNDER HIGH PRESSURE AND CAN CAUSE SERI
3. OUS SKIN PENETRATING INJURIES WARNING NEVER LIFT THE COACH COMPLETELY OFF THE GROUND LIFTING THE COACH SO THE WHEELS ARE NOT TOUCHING GROUND WILL CREATE AN UNSTABLE AND UNSAFE CONDITION PRIOR TO OPERATION The leveling system shall only be operated under the following conditions 1 The unitis parked on reasonably level surface 2 The towing vehicle is disengaged from the unit 3 sure all person pets and property are clear of the coach while Lippert Leveling System is in operation SYSTEM DESCRIPTION Please read and study the operating manual before you operate the leveling system The Lippert Hydraulic Landing Gear is an electric hydraulic system 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 There are no serviceable parts within the electric motor If the motor fails it must be replaced Disassembly of the motor voids the warranty Mechanical portions of the Lippert Hydraulic Landing Gear are replaceable Contact Lippert Components Inc to obtain replacement parts COMPONENT DESCRIPTION The Lippert Hydraulic Landing Gear consists of the following major components Lippert Landing Gear are rated at a lifting capacity appropriate for your coach Each Landing Gear is powered from a central 12VDC motor pump assembly which also includes the hydraulic oil reservoir tank control valve manifold and solenoid v
4. RK ON YOUR SLIDEOUT SYSTEM UNLESS THE BATTERY IS DISCONNECTED FAILURE TO ACT IN ACCORDANCE WITH THE FOLLOWING MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH The Lippert Hydraulic Landing Gear has been static tested to over 6 000 continuous cycles without any noticeable wear to rotating or sliding parts Itis recommended that when operating in harsh environments and conditions road salt ice build up etc the moving parts be kept clean and can be washed with mild soap and water No grease or lubrication is necessary and in some situations may be detrimental to the environment and long term dependability of the system MECHANICAL Although the system is designed to be almost maintenance free actuate the Landing Gear once or twice a week to keep the seals and internal moving parts lubricated Check for any visible signs of leaking before and after movement of the system and the coach When the Landing Gear is down visually inspect the Inner and Outer Assemblies Refer to Fig 3 pg 10 11 for location of inner assemblies Check for excess build up of dirt or other foreign material remove any debris that may be present If the system squeaks or makes any noises it is permissible to apply a coat of lightweight oil silicone lubricant spray to the hydraulic rod but remove any excess oil so dirt and debris do not build up DO NOT USE GREASE ELECTRICAL For optimum performance the slideout system requires full battery curren
5. alves The Lippert Hydraulic Landing Gear is controlled electronically from the switch near the pump PREVENTATIVE MAINTENANCE PROCEDURES The Lippert Hydraulic Landing Gear has been designed to require very little maintenance To ensure the long life of your slideout system read and follow these few simple procedures 1 Change fluid every 36 months Check fluid only when jacks are fully retracted b Always fill the reservoir with the jacks in the fully retracted position Filling reservoir when jacks extended will cause reservoir to overflow into its compartment when jacks are retracted When checking fluid level fluid should be within 14 of fill spout lip 2 Check the fluid level every month 3 Inspect and clean all Pump Unit electrical connections every 12 months 4 Remove dirt and road debris from Landing Gear as needed WARNING YOUR COACH SHOULD BE SUPPORTED AT BOTH FRONT AND REAR AXLES WITH JACK STANDS BEFORE WORKING UNDERNEATH FAILURE TO DO SO MAY RESULT IN PERSONAL INJURY OR DEATH 5 If jacks down extended periods it is recommended to spray exposed Landing Gear rod with silicone lubricant every seven days for protection If your coach is located in a salty environment it is recommended to spray the rods every 2 to 3 days IF YOU HAVE ANY PROBLEMS OR QUESTIONS CONSULT YOUR LOCAL AUTHORIZED DEALER OR CALL LIPPERT AT 866 524 7821 5 WARNING DO NOT WO
6. amination before removing replacing or installing In colder temperatures less than 10 F the jacks may extend and retract slowly due to the molecular nature For cold weather operation fluid speciallyformulated for low temperatures may be desirable Please consult factory before using any other fluids FILLING DIRECTIONS Remove Breather Fill Cap Pour ATF into Breather Fill opening Note Do not allow any contamination into reservoir during fill process Note Standard reservoir holds approximately 2 quarts 1 89 liters of ATF Fill to within 14 of top Replace Breather Fill cap when finished Note System is self purging By simply cycling the system 2 3 times any air in the system will be forced back to the reservoir and out of the Breather Fill cap 12 TROUBLESHOOTING The Lippert Hydraulic Landing Gear is a feature that allows the owner more options and flexibility for quickly and effectively leveling the unit It is a totally integrated system with your unit s chassis and electronics Every unit has it s own personality and what may work to fix one unit may not work on another even if the symptoms appear to be the same When something restricts mechanized travel system performances will be unpredictable It is very important that Landing Gear be free of contamination and allowed to travel freely the full distance Dirt sand mud and other contaminants build up during travel and can be potentially damaging to t
7. atteries installed Do not attempt to troubleshoot the Power Unit without assuring a full 12V DC charge The following tests require only a DC voltmeter or DC test light and a jumper lead Step 1 Attach voltmeter or test light leads to the negative and positive terminals on motor solenoid See Fig 7 Does the meter indicate 12V DC If YES see Step 2 if NO see Step 3 Step 2 If YES at the motor check the incoming leads to 12V DC if necessary disconnect leads at wire splices Does meter indicate 12V DC If YES Power Unit needs to be replaced The motor is not field serviceable DO NOT ATTEMPT TO REPAIR If NO Inspect all wires and connections between the wall switch and the motor Repair connections as necessary Recheck as in Step 1 Step 3 If NO Inspect all connections between battery and solenoid Inspect 30A Auto reset Circuit Breaker See Fig 7 for location Recheck as above in Step 1 Since there are no field serviceable parts in the motor of the Power Unit electrical troubleshooting and service is limited to replacing only those components as previously outlined Thorough inspection of wiring and connections is the only other electrical service that can be performed 14 WIRING DIAGRAM Fig 9 NIN SIM 9 fem owes ai NEM HOLIMS SIM WO OF
8. emove protective label See Fig 1 2 Using a standard hex bit insert into auxiliary drive device i e cordless drill or screwdriver or ratchet wrench 3 Insert hex bit into coupler found under protective label Fig 2 4 Run drill forward or clockwise to extend slideout room and in reverse or counterclockwise to retract slideout room woos p osje Aiquiassy 5 AZL eseg Aiquiassy dung BINS 06 1 tiig 10024 Fig 3 SININOdWOD 1 44 ASSY 1004 ASSY YANNI ASSY 19 DIINVAGAH anen x q SERVICE FLUID FILLING PROCEDURE The Lippert Hydraulic Landing Gear uses automatic transmission fluid ATF Any ATF can be used A full synthetic or synthetic blend works best such as Dexron Mercon 5 For best operation fill system within of the top when all slideouts are completely retracted The see through reservoir makes it easy to check oil level It is recommended that the oil level be checked prior to operating the system Make sure the breather cap is free of cont
9. he performance of the system When beginning to troubleshoot the system make sure the battery is fully charged there are no visible signs of external damage to the Landing Gear motor or hoses and that the motor is wired properly and all connections are secure IF YOU HAVE ANY PROBLEMS OR QUESTIONS CONSULT YOUR LOCAL AUTHORIZED DEALER OR CALL LIPPERT AT 866 524 7821 TROUBLESHOOTING CHART JACKS WILL NOT EXTEND TO GROUND PUMP IS RUNNING PROBABLE CAUSE CORRECTIVE ACTION Litle fluid in reservoir reservoir with DEXRON III ATE See pg 6 Leg valve is inoperative Clean repair or replace Electronic signal is last between switch Trace wires for voltage drop loss of signal leg valves Repair or replace necessary wires of replace swich ONE OR TWO JACKS WILL NOT RETRACT PROBABLE CAUSE CORRECTIVE ACTION Hose damaged or unconnected Replace with new hose or reconnect hose Return valve inoperative Replace inoperative ratum valve Electronic signal is last between switch Attempt to retract jacks MANUAL mode and solenoid successful replace control pad not test for voltage drop between switch and leg valve Repair bad wiring replace defectiva board or valve TROUBLESHOOTING POWER UNIT Before attempting to troubleshoot the Power Unit make sure an adequate power source is available The unit batteries should be fully charged or the unit should be plugged into to A C service with b
10. t and voltage The battery must be maintained at full capacity Other than good battery maintenance check the terminals and other connections at the battery the control switch and the pump motor for corrosion and loose or damaged terminals Check motor leads under the coach chassis Since these connections are subject to damage from road debris be sure they are in good condition Note The Lippert Hydraulic Landing Gear is designed to operate as a negative ground system A negative ground system utilizes the chassis frame as the ground source An independent ground wire back to the battery is not needed It is important the electrical components have good wire to chassis contact Over 90 of unit electrical problems can be attributed to bad ground connections Note For long term storage It is recommended that the room be closed retracted and if your unit is equipped with the IRC room control it is recommended all of the control knobs be kept in the closed position IF YOU HAVE ANY PROBLEMS OR QUESTIONS CONSULT YOUR LOCAL AUTHORIZED DEALER OR CALL LIPPERT AT 866 524 7821 AUXILIARY OPERATION The Lippert Hydraulic Landing Gear can be run with auxiliary power devices like electric drills ratchet wrenches or cordless screwdrivers In the event of electrical or system failure this manual method of extending and retracting the jacks can be used A standard handheld drill is all that is required See the instructions below 1 R
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