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Anthony Liftgates, Inc. 

 

MTU-GLR Maintenance

www.anthonyliftgates.com  

800-482-0003

1.  General Information

1.1  Introduction

Congratulations on selecting an Anthony Liftgates 

TuckUnder™ liftgate.

All Anthony tuckunder model liftgates are factory 

assembled, energized, and tested to ensure the highest 

quality performance standards.  MTU-GLR liftgates 

ship completely assembled for fast, clean, and easy 

installation. 

To ensure your liftgate will perform to your expectations, 

we have provided this Installation Manual, which is 

designed to provide you with the necessary installation 

instructions and safety precautions for the installation of 

the MTU-GLR TuckUnder™ liftgates.

Typical Anthony Liftgates Tuckunder Model.

1.2  General Safety

WARNING

Read, Understand, and 

Follow the Manual

 

The success or failure of 

this liftgate to properly and efficiently operate depends 

on an ongoing preventative maintenance program. 

Failure to read, understand, and follow the maintenance 

instructions and safety recommendations in this 

manual can result in serious injury or death.
Also, read and understand the operating instructions 

in the separate Operation Manual before performing 

any maintenance.

1.3  State and Federal Regulations

1.3.1  Lighting

WARNING

If any lighting is installed or 

changed, it must not alter or 

prevent vehicle compliance with 

any existing State or Federal standards such as 

FMVSS 108 – Lamps, Reflective Devices, and 

Associated Equipment.
1.3.2  Rear Impact Guards

WARNING

When stored in the transport 

position, this liftgate must 

provide protection against rear 

impact and comply with State and Federal standards 

in your area. Anthony Liftgates offers a bolt-on 

bumper, which meets the requirements of this 

standard.

1.4  If Maintenance Help is Required

1.4.1  Maintenance (Dealer)

For additional information on installation, refer to 

the MTU-GLR TuckUnder™ liftgate website www.

anthonyliftgates.com. To find the most current version 

of the reference material, choose LIFTGATES, 

TUCKUNDER™, MTU-GLR, and then DOWNLOADS.

If you have any doubts or questions about installation, 

call us. Before doing so, have the serial number, model 

number, and lift capacity of your liftgate available.

Anthony Liftgates, Inc.  

1037 West Howard Street  

Pontiac, Illinois 61764  

(815) 842-3383 or 800-482-0003

1.4.2  Customer Service and Parts (End User)

For service or ordering replacement parts, contact an 

authorized dealer by going to www.anthonyliftgates.com 

and selecting the FIND A DEALER tab. Enter your zip 

code to find the nearest authorized service location.

N ING

AR

Being unaware of safety recommendations can 

lead to personal injury. The user must make 

sure all decals are attached to the liftgate and 

truck and are legible.

Summary of Contents for MTU-GLR Series

Page 1: ...Made in the USA MTU GLR MTU GLR WR 3 MTU GLR WR 4 MTU GLR EX 3 MTU GLR EX 4 MTU GLR 25 MTU GLR 3 MTU GLR 4 MTU GLR 5 MTU GLR 6 Quality Reliability Customer Service MTU GLR 3 4 Shown MAINTENANCE MANUAL...

Page 2: ......

Page 3: ...4 2 Semi Annual Inspection 10 4 3 Adjusting Wheel Arm 10 4 4 Platform Adjustment 11 4 5 Replace the Power Cable Fuse 12 4 5 1 Replace the 200 AMP Fuse 12 4 5 2 Replace the 175 AMP Fuse 12 4 6 Checkin...

Page 4: ...ng is installed or changed it must not alter or prevent vehicle compliance with any existing State or Federal standards such as FMVSS 108 Lamps Reflective Devices and Associated Equipment 1 3 2 Rear I...

Page 5: ...ded by being alert and recognizing potentially hazardous situations The safety information in this manual serves as a basic guide in an attempt to prevent injury or death Anthony Liftgates cannot anti...

Page 6: ...ed Actions Do not alter or modify Do not weld No smoking No open flame No alcohol No drugs 2 2 3 Hazard Avoidance Safety alert symbol Slipping injury Tripping injury Pinch point hazard Pinch hazard fo...

Page 7: ...e damaged A cut battery cable can cause sparks and or component damage resulting in loss of vehicle control serious injury or even death CAUTION OEM If replacement parts are necessary genuine factory...

Page 8: ...ess There are no long term health effects Metal fume fever typically begins about four hours after exposure and full recovery occurs within 48 hours 2 4 2 Stainless Steel Follow all OSHA and other wor...

Page 9: ...Port and Breather Cap Reservoir Power Up High Pressure Hose Flow Control Valve Power Down High Pressure Hose Motor Start Solenoid Pump Adjustable Relief Valves Control Box Wiring 10 Amp In Line Fuse...

Page 10: ...ot mix hydraulic oil and automatic transmission fluid due to possible compatibility problems Use the appropriate viscosity of fluid based on the surrounding climate conditions Viscosity is important b...

Page 11: ...4 ALI 00590 1 The platform should lower parallel to the ground until the back portion nearest the truck touches It should then tilt forward until the front edge touches the ground 1 2 ALI 00589 2 To r...

Page 12: ...a is clear 4 5 2 Replace the 175 AMP Fuse CAUTION To avoid injury or property damage disconnect the liftgate s power cable from the battery before starting to replace the fuse An arc can occur resulti...

Page 13: ...Checking Lowering Valve Cartridge and Solenoid 1 Place the liftgate on the ground in the open position 2 Place a steel screwdriver over the top of the lowering valve solenoid ALI 00593 3 Momentarily...

Page 14: ...o the power up port 3 Connect a pressure gauge and reconnect the hydraulic hose The pressure gauge must be rated above the maximum pressure of the liftgate For example use a 4000 psi pressure gauge on...

Page 15: ...eservoir In an emergency use any anti wear hydraulic fluid but flush the system and replace it with our recommended fluid soon as reasonably possible Do not mix hydraulic oil and automatic transmissio...

Page 16: ...is control circuit If blown pull fuse holder cap replace fuse replace cap If fuse continue s to blow contact a qualified mechan ic control circuit may be damage d FUSIBL E DE 10 AMPER IOS Y SOPOR TE P...

Page 17: ...d and store platform Make sure platform is locked in storage position with latch pin after use 6 Manually unfold main platform Always stand on curbside of truck when unfolding platform 3 Manually unfo...

Page 18: ...otects against dead shorts in this control circuit If blown pull fuse holder cap replace fuse replace cap If fuse continues to blow contact a qualified mechanic control circuit may be damaged 12 A 131...

Page 19: ...hexavalent chromium fumes that can irritate the nose throat and lungs Repeated or prolonged exposure can damage the mucous membranes of the nasal passages and result in ulcers In severe cases exposure...

Page 20: ...e Connect motor directly to a spare battery using the procedure in the Maintenance section Motor If the motor is determined to be defective it should be replaced Defective motors are typically caused...

Page 21: ...maged parts Low fluid level Fill reservoir 4 1 Monthly Inspection on page 10 Low Voltage Inspect the battery connection terminals and check the battery s Voltage 9 Volts minimum Faulty lowering valve...

Page 22: ...der operates properly replace the valve 4 13 Checking Flow Control Valve on page 14 Lowering valve Solenoid or cartridge may need cleaning or replacement See Maintenance section 4 8 Checking Lowering...

Page 23: ...NOTES...

Page 24: ...5 PH 815 842 3383 FAX 815 844 3612 TOLL FREE 800 482 0003 WWW ANTHONYLIFTGATES COM THE ORIGINAL NAME IN LIFTGATES SINCE 1941 Gentle Level Ride GLR Our platform maintains a smooth level up and down ope...

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