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Summary of Contents for Palfinger ILP
- Page 1 Model ILP Liftgate Power Down, Twin Cylinders Maintenance and Troubleshooting...
- Page 2 ALL MODELS OF PALFINGER LIFTGATES Installation, Operator(Owner) and Parts Manuals are available for download or viewing on our website at https://www.palfinger.com/en-US/usa/products/lift-gates. Additionally, troubleshooting guides, hydraulic and electrical schematics are available for download and/or viewing. Diagrams of decal placement are in the Installation and Operator Manuals. Decals are furnished at no cost to our customers.
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Page 3: Check Battery Voltage
Basic Battery Conditions and Testing Proper voltage is key to proper liftgate operation. BEFORE YOU START TROUBLESHOOTING State of Charge –vs- Voltage CHECK BATTERY VOLTAGE State of Charge Open Circuit Voltage 10-10 TEST 100% 12.70V USING A MULTIMETER SET ON DC VOLTAGE: 12.60V OPEN LIFTGATE AND RAISE TO BED LEVEL. - Page 4 LEAD ACID BATTERY INFORMATION • A lead acid battery reading 12.0V is at less than half charged • Lead acid batteries work best at 90 degrees F. Performance is reduced as temperatures increase or decrease above or below 90 degrees F •...
- Page 5 ILP OVERVIEW OF COMPONENTS...
- Page 6 ILP Power Down Cylinder Components Bushings Inside Clevis Grease Zerk on Clevis Hydraulic Hose with Fittings Grease Zerk on Clevis Adaptor Restrictor Coil on Solenoid Valve Power Cable for Coil on Solenoid Valve Solenoid Valve Removed from Port - with Coil and Retainer Cap...
- Page 7 ILP Power Down Electrical Components NOTE: Always use a digital voltmeter when checking voltage to determine if you have sufficient power to operate the liftgate. The liftgate should have a 150A Resettable Circuit Breaker and a 15A ATC Fuse in the electrical circuit set up.
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Page 8: Power Down
MOTOR RUNS, GATE WON'T LOWER POWER DOWN 1. CHECK FOR POWER, GROUND AND PROPER OPERATION Main Liftgate OF S1, S2, AND S5 VALVES Cab Shut-Off Toggle Control Switch GATE LOWERS, MOTOR NOT RUNNING Power 1. CHECK FOR 12 VOLTS TO MOTOR RELAY FROM Load Raise DIODE IN POWER DOWN HARNESS... - Page 9 Power Down = M + S1&S2 + S5 Lift Cylinder Lift Cylinder Power Down = M + S1&2 + S5 Pump Unit "B" "A" S1 & S2 - Release Valve for Lowering R1 & R2 - Flow Restrictor for limiting lower speed. S5 Shift Valve S5 - Shift Valve is activated upon LOWER function only.
- Page 10 MOTOR WON'T RUN WITH SWITCH IN UP POSITION CHECK THE FOLLOWING: RAISE 1. 12 VOLTS FROM 150 AMP CIRCUIT BREAKER AT BATTERY TO MOTOR SOLENOID Main Liftgate 2. 12 VOLTS FROM MOTOR SOLENOID TO CAB CUT-OFF SWITCH Toggle Control Switch Cab Shut-Off 3.
- Page 11 Raise = M Lift Cylinder Lift Cylinder Raise = M Power Down = M + S1&S2 + S5 Pump Unit "B" "A" S1 & S2 - Release Valve for Lowering R1 & R2 - Flow Restrictor for limiting lower speed. S5 Shift Valve S5 - Shift Valve is activated upon LOWER function only.
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Page 12: Troubleshooting Tips
TROUBLESHOOTING TIPS NOTE: Always use a digital voltmeter when checking voltage to determine if you have sufficient power to operate the liftgate. GENERAL INFORMATION 1) Check for Cab on/off switch for activation of liftgate or on/off switch on side of auxiliary battery box if trailer application. 2) 150 Amp Circuit breaker at positive post of battery ... - Page 13 TROUBLESHOOTING TIPS Gate is not lowering down 1) One or both release valves on lift cylinders are not opening up Normally closed valves to prevent lowering gate in case of a failure a) Check coils for resistance a) Voltmeter shows 5.5 to 7.0 Ω Coil is good b) Voltmeter shows 0 Ω...
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Page 14: Preventive Maintenance
PREVENTIVE MAINTENANCE HIGHLIGHTS: Use Owner’s Manual Quick Check List to ensure proper maintenance. Grease pivot points every 90 days – See Owner’s Manual for detailed illustrations. Check hoses for weather cracking, rubbing and leaking. Check all electrical connections for tightness, free of corrosion, grounded properly. Check pin lock bolts. - Page 15 Lubrication Points 1. Lower the platform to the ground. 2. Remove red protector caps from each component. Lubricate, grease, and oil per diagram below. 3. Cycle platform up and down several times. Lubricate and grease all points again. 4. Wipe any excess grease and replace all red protector caps on zerks. Open enclosure to check and refill oil.
- Page 16 Monday thru Friday Jorge Gallardo – Asst. Tech Support and Joe Tabella – Technical Support/Branch Manager, NJ Warranty Manager 609-587-4200 ext 126 888-774-5844 ext 19 j.tabella@palfinger.com j.gallardo@palfinger.com Bob Hennessee – Parts Manager JD Rodriguez – Parts Manager, West 609-587-4200 ext 128 Coast r.hennessee@palfinger.com...
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