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ILT - Series 

Troubleshooting: ILT 

– Twinfold Dual Cylinder Folding Unit  

Table of content:                                                      Page 

1)

Gate overview ………………………………………....2 

2)

Gate does not lower down…………………………….3 

3)

Gate is not lifting up……...…………………………….4 

4)

Electrical schematic……………………………………5 

5)

Hydraulic schematic…………………………………...6 

*****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.) Screw driver flat head  
5.) 13mm (1/2”) wrench 

Always use CAUTION and  

allow SAFE distance from moving parts

  

Practice SAFETY, using common sense  

and good judgment  

Summary of Contents for ILT Series

Page 1: ...lifting up 4 4 Electrical schematic 5 5 Hydraulic schematic 6 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 Screw driver flat head 5 13mm 1 2 wrench Always use CAUTION and allow SAFE distance from moving parts Practice SAFETY using common sense and good judgment ...

Page 2: ... Stored position Folding process Unfolded Gate ILT Series Bed extension Slide in power pack Main frame Roller Parallel arm Lift cylinder Lift arm Platform Main section Platform Tip section Coil Spring Under ride guard ...

Page 3: ... rubber cover on passenger side to get access to the hydraulic power unit unscrew the hex head bolt to slide out the power unit and unplug red cable 2 with the inline fuse c Unplug cable 6 to both 2 wire release valve harnesses d Connect female end 2 and male end 6 to energize release valves a Gate is lowering down check switch and grey 3 wire harness to switch for damaged spots b Gate is not lowe...

Page 4: ...n passenger side to get access to the hydraulic power unit unscrew the hex head bolt to slide out the power unit and unplug red cable 2 with the inline fuse c Jump female end 2 to small positive connector switch cable 5 attached on motor solenoid WARNING Do not stay between platform and truck body gate will raise up d Gate is raising up check switch and grey 3 wire harness to switch for damaged sp...

Page 5: ...ol power from on off switch 5 up function 6 down function 4 4 2 2 6 6 5 control wire description ground stud Pump unit 6 down 5 up Release valve x 2 cylinder Control Power hot from fuse 6 down Release Valve 5 up Motor Solenoid Up Down Switch Cab cut off switch ILT Series ...

Page 6: ...2 Release Valve for lowering function R1 and R2 Flow Restrictor located inside hose adaptor on lift cylinder R5 Restrictor Valve located in power pack Flow Divider is activated when fluid is going back into the power pack If Flow Divider is loose or hanging up the fluid is circulated back in to tank Access for pressure gauge ILT Series ...

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