Palfinger LIFTGATES ILM plus Series User Manual

Rev-07272022 P1
ILM plus – Series
Troubleshooting: ILM Medium Duty Railgate Lift
Table of content: Page
1) Gate overview ………………………………………………......2
2) Pump and Motor Setup overview …….…….………………….3
3) Controller Identification Overview .…………………………….4
4) Chain routing ( Standard ILM+ ) .…………….……………….5
5) Chain routing ( Above floor ILM+ ) …………………………….6
6) Gate does not opening up.…………….….…….……………...7
7) Gate is not lowering down .…………….……….……………..8
8) Gate is not raising up……………………...….................…….9
9) Gate is not closing ……………………….….……………..….10
10) Electrical Diagram Manual Closing .…………….................11
11) Hydraulic Schematic Manual Closing …………………….....12
12) Hydraulic Schematic MC Lift Function ………………….…. 13
13) Hydraulic Schematic MC Lower Function ………............... 14
14) Electrical Diagram Power Closing…..………………….........15
15) Hydraulic Schematic Power Close …...……….…………....16
16) Hydraulic Schematic PC Lift Function ………...…………... 17
17) Hydraulic Schematic PC Open Function ….…………….… 18
18) Hydraulic Schematic PC Lower Function ……………….… 19
19) Hydraulic Schematic PC Close Function ……………….… .20
20) Platform not lowing down Test ………………….………….. 21
21) Check ground on solenoid valves………………………….. 22
22) Testing solenoid valves and cables ……………………….. 23
23) Pump pressure adjustment ………………………………….24
24) Gate chattering or sticking in rails Inspection Steps.25,26,27,28.
25) Palfinger Technical Support & Parts Contact list ………… 29
*****MAKE SURE YOUR BATTERIES ARE FULLY CHARGED AND IN GOOD CONDITION*****
Tools needed:
1.) Voltmeter
2.) Test light
3.) 8” jumper cable (16ga. or smaller)
4.) Philips Screw driver
5.) 13mm (1/2”) wrench
Always use CAUTION and allow SAFE distance from moving parts
Practice SAFETY, using common sense and good judgment

Palfinger LIFTGATES ILM plus Series Specifications

General

Brand	Palfinger
Model	LIFTGATES ILM plus Series
Category	Lifting Systems
Language	English

Summary

Gate overview

Pump and Motor Setup Overview

Controller Identification & Operation Overview

Power Open and Close Controller

Details the three-button controller for power open/close functions.

Manual Open and Close Controller

Details the two-button controller for manual open/close functions.

Chain Routing – Standard ILM+

Chain Routing – Above Floor ILM+

Gate Does Not Open Up

Initial Checks

Basic checks before troubleshooting gate opening issues.

Platform Not Opening Up

Specific steps for when the platform fails to open.

Gate Is Not Lowering Down

Initial Checks

Basic checks before troubleshooting gate lowering issues.

Platform Not Lowering Down

Steps for diagnosing why the platform won't lower.

Gate Is Not Raising Up

Initial Checks

Preliminary checks for gate raising problems.

Motor Does Not Run

Troubleshooting steps when the motor fails to operate.

Motor Runs but Platform Does Not Raise

Diagnosing issues when the motor runs but the platform doesn't move.

Gate Is Not Closing

Initial Checks

Initial checks for gate closing failures.

Motor Is Not Running

Troubleshooting when the motor does not run during closing.

Motor Is Running, but Platform Does Not Close

Diagnosing issues when the motor runs but the gate won't close.

Wiring Diagram - Manual Closing

Hydraulic Schematic - Manual Closing

Lift Function

Explains the hydraulic flow for the lift function.

Lower Function

Explains the hydraulic flow for the lower function.

Wiring Diagram - Power Closing

Hydraulic Schematic - Power Closing

Lower Function

Details the hydraulic flow for the lowering operation.

Open Function

Illustrates the hydraulic circuit for the open function.

Lift Function

Explains the hydraulic path for the lift operation.

Close Function

Details the hydraulic flow for closing the liftgate.

Platform Not Lowering Down Procedure

Check Grounds on Valves

Controller Fused Connection at Solenoid

Solenoid Coil Test Procedures

Power Cable to Solenoid Coil Test

Procedure to test power cable continuity to solenoid coils.

Release Valve Coil Test

Testing solenoid coils for proper voltage and function.

How to Check Coils for Resistance

Method for testing solenoid coil resistance.

Pump Pressure Adjustment

Gate Chattering or Sticking in Columns

Step 1: Check Rails for Squareness and Parallelism

Inspect liftgate rails for correct alignment and squareness.

Step 3: Check Chains and Sprockets

Inspect roller chains and sprockets for proper adjustment and wear.

Step 4: Lubrication Check

Verify gate lubrication according to the installation manual.

Technical Support, Service & Parts Contacts