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4 .

WARNING!

1 .    DO NOT operate this Thieman liftgate without the Owner’s Manual for this model present 

on the vehicle and without all decals present and legible, as guides for proper liftgate 

operation and maintenance (see the “Decal Maintenance - Inspection and Location of 

Decals” section of this manual) .  For replacement Owner’s Manuals, decals, etc . call 

Thieman at 419-586-7727 . For the latest manuals and warnings for each liftgate, visit our 

website at www .thiemantailgates .com . Note: manuals and warnings update regularly .

2 .   The vehicle must be securely and properly braked on level ground before using the liftgate .

3 .  All protective covers and guards must be in place before operating the liftgate .

4 .   Before using liftgate, check for signs of improper maintenance or damage (unusual noises, 

vibrations, fails to operate freely, missing hardware, cracked welds…etc . See the sections 

in this manual with “Maintenance” in the title – refer to “Table of Contents” on Page 2) .  DO 

NOT use the lift if these are evident . Only an authorized Thieman distributor is qualified to 

do repairs on the liftgate . DO NOT attempt to do your own repairs or modify this liftgate . 

Altering this product will void all warranties and may damage the liftgate or even cause 

serious injury . If any repairs, adjustments, or maintenance not covered in this manual are 

required, contact your nearest Thieman distributor or call Thieman at 419-586-7727 .

5 .   THIS IS NOT A PERSONNEL LIFT . Because of the pinch point between the platform and 

the truck, fall hazards, unstable loads, etc ., riding the lift may cause severe personal injury 

or death . ALWAYS stay clear of the liftgate when in operation .  Do NOT ride the liftgate .

6 .   Make certain the areas, in which the platform will open or close, are clear before opening 

or closing the platform .

7 .   Use this liftgate ONLY for its intended purpose of loading/unloading cargo between truck 

bed and ground . It is NOT to be used for anything other than this .  The ground is defined 

as the surface the truck is parked on .

(Warnings continued on following pages)

IMPROPER OPERATION OF THIS LIFTGATE MAY RESULT IN SERIOUS PERSONAL INJURY 

AND/OR DEATH. DO NOT operate this liftgate unless you have been properly instructed and 

have read and understood the Owner’s Manual and all of its warnings, operating instructions 

and all decals . 

The following list of warnings is to be read and understood before operating the LRST40 

series liftgate.  The numbered list begins below and continues on the following pages .

!

WARNING

Summary of Contents for LRST-40

Page 1: ...NDERSTAND THE CONTENTS OF THIS MANUAL BEFORE OPERATING THE EQUIPMENT TAILGATES INC 600 East Wayne Street Celina Ohio 45822 Phone 419 586 7727 Fax 419 586 9724 www thiemantailgates com HIEMAN NTEA T H...

Page 2: ...____ NOTE When ordering parts be sure to include this information Your Thieman Tailgate is constructed of top quality material and is warranted to be free from defects in material and workmanship unde...

Page 3: ...ry or death Each Signal Word is explained below SIGNAL WORDS used in this manual DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury Related information...

Page 4: ...ering this product will void all warranties and may damage the liftgate or even cause serious injury If any repairs adjustments or maintenance not covered in this manual are required contact your near...

Page 5: ...se of the platform to tilt downward severely when lowering from the truck bed level greatly increasing the risks of falling loads PAY ATTENTION when lowering loads to ensure the platform is staying le...

Page 6: ...mproperly retained objects may fall from the vehicle and pose serious traffic hazards and larger objects could shift and damage the liftgate or truck 21 NEVER adjust the bolts between the upper and lo...

Page 7: ...n the heaviest portion should be closest to the edge of the platform nearest the truck NEVER allow any part of the load to extend beyond the edges of the platform s flat load surface WARNING FIG 1 DO...

Page 8: ...holding switch in DOWN position until platform nose tilts downward and touches ground 4 STORE FOR TRANSIT I Raise or lower liftgate with switch so arms are on ground and platform is horizontal with pl...

Page 9: ...with a 15 16 wrench to obtain necessary height 4 Check for apparent damage to the liftgate such as bent or distorted members any cracked welds etc which may have resulted from overloading or abuse 5...

Page 10: ...d by their proper retainers 7 Check that all protective covers and guards are properly in place and secured 8 Check finish of steel parts if in poor condition then repair finish if possible Any rusted...

Page 11: ...housing E Apply several drops of light weight machine oil to the armature shaft bearing in the motor end cover and reassemble the motor end cover 4 If the hydraulic oil in the reservoir is dirty A Un...

Page 12: ...Decal 4605 10 Warning Decal High Pressure 4620 11 Wiring Decal 4614 12 Reflector 3 5705 IMPROPER MAINTENANCE OF THIS LIFTGATE MAY RESULT IN SERIOUS PERSONAL INJURY AND OR DEATH Liftgate decals provide...

Page 13: ...etaining ring 2 11 5775 Roller 1 12 5001400 Pin 1 13 5100180 Spring 2 14 8427570 Screw 44 14 x 2 50 1 15 8120396 Flatwasher 50 1 16 9414073 Locknut 44 2 17 4101 017 Chain 1 18 8108 005 Set screw 38 2...

Page 14: ...rm extension dual ramp cart stop see page 10 1 4 8119 Shoulder bolt 62 2 5 8106 009 Lockwasher 62 2 6 8106 008 Lockwasher 50 2 7 9414074 Locknut 2 8 5504 013 Bushing 2 9 4220240 Nylon insert 2 10 8108...

Page 15: ...1 1 31439 002 Cart Stop Extension Asm Dual Cart Stop includes items 2 9 1 2 31436 001 Cart Stop Sub Weld Single Cart Stop 1 2 31436 002 Cart Stop Sub Weld Dual Cart Stop 2 3 5076 002 Pin 1 2 4 5110 T...

Page 16: ...Includes items 2 thru 8 96 1 1 3502 002 Spacer asm Includes items 2 thru 8 102 1 2 31549 001 Control shaft 96 Spacer 1 2 31549 003 Control shaft 102 Spacer 1 3 5701043 Handle grip 1 4 27117 Latch 2 5...

Page 17: ...31445 Toggle switch asm 1 18 4938 001 45 Elbow MAORB FJS 1 19 8111 005 Screw 10 x 75 2 20 4318 002 Ground Cable 2 x 2 1 21 8104 006 Screw 31 x 1 1 22 4318 001 Cable asm 2 Ga x 2 ft 1 23 4301770 Circu...

Page 18: ...Breather Cap 1 4 4480 Buss Bar 1 5 4421520 Bearing 1 6 4421530 Seal 1 7 8109 012 Screw 25 x 75 2 8 4421420 Bracket 1 9 4468 Solenoid 1 10 4421600 O Ring 2 11 4452 Solenoid Coil Only 2 12 4445 Solenol...

Page 19: ...scription Part Number Qty Kit 172 Snubber Kit Includes Items 1 to 6 3735330 1 1 Snubber 5702290 2 2 Mounting Angle 2019033 2 3 Locknut 31 18 9413447 2 4 Flat Washer 31 8120386 4 5 Base Plate 23049 001...

Page 20: ...t locations between the liftgate and battery source to locate bad connections along the battery cable Trace ground cable connections also to locate improper connection s along the ground path Make sur...

Page 21: ...t be able to develop the rated relief pressure Low voltages can cause motor start solenoids to overheat and internally weld the contacts closed which can lead to motor overheating and pump failure DO...

Page 22: ...d hose end as this indicates fluid is bypassing the piston seals on the cylinder Reconnect rebuilt or replaced cylinders and hoses as before Broken or punctured hydraulic lines and fittings must be re...

Page 23: ...e MONTHLY INSPECTION AND MAINTENANCE in the Maintenance Guide section of this manual to find out what position the liftgate should be in when checking the reservoir level and how full the reservoir sh...

Page 24: ...Rev 1 22 3C MP109296...

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