Palfinger ILU Under Slider 50 Owner's Manual
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Palfinger ILU Under Slider 50 Owner's Manual

Palfinger ILU Under Slider 50 Owner's Manual

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ILU
OWNER'S MANUAL
ECN-M1143 Rev. 1.5, Date 12-19-17 Part #90-1313-100
PALFINGER Liftgates, LLC. 15939 Piuma Ave., Cerritos, CA 90703
Tel (888)-774-5844
Fax (562)-924-8318
PALFINGER Liftgates, LLC. 572 Whitehead Road, Trenton, NJ 08619
Tel (609)-587-4200
Fax (609)-587-4201
www.palfinger.com
Visit our website at
for up to date information and notifications
If you received this product with damaged or missing parts,
Please contact PALFINGER Liftgates at (888)-774-5844

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  • Page 1 OWNER’S MANUAL ECN-M1143 Rev. 1.5, Date 12-19-17 Part #90-1313-100 PALFINGER Liftgates, LLC. 15939 Piuma Ave., Cerritos, CA 90703 Tel (888)-774-5844 Fax (562)-924-8318 PALFINGER Liftgates, LLC. 572 Whitehead Road, Trenton, NJ 08619 Tel (609)-587-4200 Fax (609)-587-4201 www.palfinger.com Visit our website at...

  • Page 2: Table Of Contents

    Table of Content Important Notes ...................... 1 Attention ..................... 1 Important Notes ..................1 General Information ..................2 Safety Information ....................4 Basic Parts in Detail ....................6 General View of Liftgate ................6 Maximum Load and Placing of Load on Platform ........7 Operation of Liftgate ....................
  • Page 3 6.3.2 Lower Down and Auto Tilt Function..........31 6.3.3 Level Out Activity ................ 31 6.3.4 Lift Up Function ................32 6.3.5 Slide In Function ................. 32 Needed Information for Ordering Spare Parts and Repairs ......33 Ordering Spare Parts ................33 Repairs .....................

  • Page 4: Important Notes

    Important Notes This PALFINGER Liftgate is an electro-hydraulically driven lift gate, designed to be stored underneath the truck or trailer for ultimate dock loading as well as offering up to seven foot platform.

  • Page 5: General Information

    2-button hand held remote control is also supplied with the lift. Foot controls are standard, which enables the operator to handle the cargo and operate the lift by foot. A variety of different products can be purchased with the PALFINGER Liftgate as well. General Information REMEMBER! It is the fleet manager’s responsibility to educate the operator on the liftgate and its intended use.
  • Page 6  To push loads  To carry people (Only the operator may travel on the platform)  To clear snow Please read through the operational and technical description of this PALFINGER Liftgate. Thank you for choosing PALFINGER Liftgates Revision 1.5...

  • Page 7: Safety Information

    ILU 40/50 Owner’s Manual Safety Information This manual follows the Guidelines set forth in “ANSI Z535.4-2007” for alerting you to possible hazards and their potential severity. ! DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 8 Liftgates by fax (562) 924-8318, or on the internet- www.PALFINGER.com If you are facing any problems or are in need of repair, contact PALFINGER Liftgates for information regarding experienced and trained Authorized Service Center in your area. Replacement manuals are available, just call us & order your manuals for FREE.

  • Page 9: Basic Parts In Detail

    ILU 40/50 Owner’s Manual Basic Parts in Detail General View of Liftgate 2 Button Hand Control Push-Pull Cylinders Mount Frame Slider Rails Tilt Cylinder Lift Arm Lift Cylinder Control Liftarm Sensor Center of Gravity of maximum Load Platform Sensor B15 Circuit Board Platform (behind cover)

  • Page 10: Maximum Load And Placing Of Load On Platform

    Maximum Load and Placing of Load on Platform Every PALFINGER Liftgates is rated up to a maximum load. The point of maximum load is rated at a defined distance. The center point of maximum load is at 24” for all ILU liftgates from start of Truck or Trailer Body, as shown in Figure 2.

  • Page 11: Operation Of Liftgate

    ILU 40/50 Owner’s Manual Operation of Liftgate Turn Control power to “ON”. All lift gate functions can be controlled with the 3-button control Before use: box, which is mounted on the curb side of the truck or trailer. NOTE: Never slide platform in or out with load on the platform. Operating the ILU by Control Box 4.1.1 General Instructions for the ILU Unfolding Process...
  • Page 12 ILU 40/50 Owner’s Manual 7. Fold the platform manually Lower down the platform to the ground. To fold the platform, flip the tip section onto the main section. 8. Sliding in Rotate the center button up to slide the lift gate underneath your vehicle till the gate is in its final position and does not more further back.

  • Page 13: Operation By Hand Held Remote Control

    ILU 40/50 Owner’s Manual Operation by Hand Held Remote Control Hand Controls are NOT weatherproof and are designed to be stored inside body in holster or in weatherproof box. Button No. 1  UP Button no. 2  DOWN Figure 4: Hand Held Remote Control with Plug & Socket Wiring Revision 1.5...

  • Page 14: Operation By Foot Control

    ILU 40/50 Owner’s Manual Operation by Foot Control DOWN: Step on switch 1 and hold – wait between one and three seconds before you step on switch 2.  For auto tilt, stay on the switches till platform starts tilting. Step on switch 2 and hold –...
  • Page 15 ILU 40/50 Owner’s Manual Platform Cart Stops 1. Push the cart stop latch out toward the curb side. The cart stop will spring open automatically once the latch has been moved from its original position. 2. To close the cart stops, push the cart stop latch inward towards the street side. After the latch is in place close each cart stop by pushing each stop.

  • Page 16: Preventive Maintenance And Quick Check

    Remember that the secret to a long life of your PALFINGER Liftgates is to maintain it through preventive care. * Recommended bases for...

  • Page 17: Cross Test On Single Pole Plug Charge System

    ILU 40/50 Owner’s Manual Cross Test on Single Pole Plug Charge System Testing of full system using a battery load tester. Start with testing each individual battery on both tractor and trailer before proceeding to check the system: A. 12V lead from tractor coil cord B.

  • Page 18: Lubrication

    Owner’s Manual Lubrication Properly lubricated, the ILU PALFINGER Liftgate will ensure longevity. Therefore, lubricate the lift at the same time as the truck/trailer. Grease more frequently if the liftgate is heavily used. The liftgate should be greased every 500 cycles (depending on use – estimated every 3 month).
  • Page 19 ILU 40/50 Owner’s Manual Oil Change on Power Pack Figure 5: Lube Points Location of Grease Zerks (9 on each side, 18 total) Oil level in the power pack tank (see marking inside of power pack reservoir) Platform hinges, Slide Rails and optional Cart Stops (use WD-40 spray for lubrication) Revision 1.5...

  • Page 20: Checking And Changing The Oil

    ILU 40/50 Owner’s Manual 5.3.2 Checking and Changing the Oil Check the quality of hydraulic fluid. If bad, take the following steps to change the oil. In stored position, lower gate to ground and tilt platform down, remove lock bolt. Pull the power pack out till you can reach the oil filler cap.

  • Page 21: Decal Placement And Inspection

    ILU 40/50 Owner’s Manual Decal Placement and Inspection For operator’s safety, all decals appearing in “Decal Kit” must be in a conspicuous place on control side of liftgate to be read by operator. This is typically a combination of decals on the liftgate and truck body.
  • Page 22 ILU 40/50 Owner’s Manual The picture below will help you to place all decals visible in order to get maximum operational safety. Decal - D Decal - C Decal - A Decal - J Decal - K Decal - F Decal - L Decal - B Decal - G...

  • Page 23: Quick Check List

    12. When performing daily checks and you find any kind of damage that can make the use of the liftgate dangerous, it must be repaired before using. All repairs should be made by an authorized technician. Use only original spare parts. If in doubt contact your PALFINGER Liftgates distributor or call PALFINGER Liftgates directly.

  • Page 24: Troubleshooting

    ILU 40/50 Owner’s Manual Troubleshooting ATTENTION: Dangerous injuries possible from tools short circuiting main battery connections. Every time you are finished troubleshooting, close the rubber cover on the curbside of the mount frame. REINSTALL THE PLASTIC STRAP ON THE RUBBER COVER WHEN FINISHED!! Please check the following points before looking for faults: ...
  • Page 25 ILU 40/50 Owner’s Manual 2. Check the circuit breaker at the main batteries. Every truck has a circuit breaker on top of the main battery. If you have a studio unit, or a trailer, you will also find an auxiliary battery kit as shown in the pictures below (“Truck Battery” and “Auxiliary Battery”). If circuit breaker reset arm is popped out, push it back in as shown on the decal ATG-BKR next to your breaker or on battery box lid.

  • Page 26: On-Off Switch On, But All Functions Are Dead

    ILU 40/50 Owner’s Manual Replace fuse when Open this cap to check the fuses metal bridge is broken 5. Is the connection to ground in power pack OK? Is the ground connection from the tail lift to vehicle OK? 6. Check the oil level in the power pack reservoir. 7.

  • Page 27: Warning Lights On, After Switch Is Turned Off

    ILU 40/50 Owner’s Manual 6.1.3 Warning Lights on, after switch is turned off  B-15 is not working. Make sure, the wire strain relief is always parallel with top of the platform. B-15 Sensor 6.1.4 Platform tilts down before it reaches the ground ...

  • Page 28: Electrical And Hydraulic Schematic

    ILU 40/50 Owner’s Manual Electrical and Hydraulic Schematic 6.2.1 Wiring Diagram - Truck Wires #2 and #4 go to postitive (+) *In-Line Fuse Wires #1 and Gr/Yl go to ground (-) **Resetable Circuit Breaker Main Batteries Ground (Truck) 4-Conductor Control Power Cable 2GA.
  • Page 29 ILU 40/50 Owner’s Manual Wiring Diagram – Trailer- Single Pole – Dual Pole *Resettable Circuit Breaker *Resettable Circuit Breaker Dual *Resettable Pole Single Circuit Socket Pole Breaker Socket *Resettable Aux. Circuit Batteries Breaker Auxiliary Ground Batteries Ground 2Ga Power Cable From Liftgate (+) 2Ga Power Cable 2Ga Ground Cable...

  • Page 30: Electrical Schematic

    ILU 40/50 Owner’s Manual 6.2.2 Electrical Schematic Figure 9: Electrical Schematic Revision 1.5...

  • Page 31: Connector Overview

    ILU 40/50 Owner’s Manual 6.2.3 Connector Overview B-13 WARNING GROUND FOR PC BOARD LIFTARM LIGHTS (gn/yl, and black #1) B-15 PLATFORM FOOT CONTROL CAB ON/OFF CONTROL BOX SWITCH (TRUCK) PUSH PULL CYLINDERS POWER PACK HAND REMOTE CYLINDERS LIFT 15 POSITIVE FOR PC BOARD (black #2 to port 2;...
  • Page 32 ILU 40/50 Owner’s Manual 6.2.4 Control Box Wiring (Internal) 10 wire harness ILUK Plus control box setup Control Box Backlight bulb #gn/ye #9 wire is not connected open end on both sides of the wire harness down down #gn/ye TILT SLIDE LIFT Hand Control...

  • Page 33: Hydraulic Schematic

    ILU 40/50 Owner’s Manual 6.2.5 Hydraulic Schematic Functions: Lift: M+S1+S2 Lower: S1+S2+S5+S11 Tilt Up: M+S5 Tilt Down: S3+S4 Slide Out: M+S8 Slide In: M+S7 S1, S2 on lift cylinder and S7, S8 on push pull valve block are double acting release valves: They have to be activated for fluid to go through them in either direction To slide out S8 is activated to allow fluid to both sides of retractable cylinders To slide in S7 is activated to allow fluid to piston rod side of retractable cylinders...

  • Page 34: Functional Description Of Hydraulics When Operating

    ILU 40/50 Owner’s Manual Functional Description of Hydraulics when Operating The description in the following chapters are relating to Figure 11 “Hydraulic Schematic”. Please use this drawing to understand the specific functionality of the ILU lift gate. 6.3.1 Slide Out Function ...

  • Page 35: Lift Up Function

    ILU 40/50 Owner’s Manual 6.3.4 Lift Up Function  Motor starts running and double locking release valves S1 and S2 are energized.  The pressure is on input “A” at the valve block. The oil passes the S11 valve and sets pressure on exit “AH”.

  • Page 36: Needed Information For Ordering Spare Parts And Repairs

    Designation and number of the spare part in accordance with the spare parts list. Designation and number marked on the individual component (if available). Repairs Parts sent to PALFINGER Liftgates to repair must be accompanied by a letter (in separate cover) giving details and scope of the repairs required. Revision 1.5...

  • Page 37: Warranty

    PALFINGER Liftgates provides warranty as part of its conditions of delivery. Spare part deliveries are first of all billed. PALFINGER Liftgates then issues credit for all or part of the invoiced sum, when PALFINGER Liftgates has been able to determine that the warranty claim is justified as defined by its warranty conditions.

  • Page 38: Contact Address

    ILU 40/50 Owner’s Manual Contact Address PALFINGER Liftgates, LLC. 15939 Piuma Ave Cerritos, CA 90703 Phone: (562)-924-8218 Fax: (562)-924-8318 E-mail (parts order): customerservice@PALFINGER.com E-mail (technical support): technicalservice@PALFINGER.com PALFINGER Liftgates, LLC. 572 Whitehead Road, Suite 301 Trenton, NJ 08619 Phone: (609)-587-4200...

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