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JLG T500J - User Manual

JLG T500J
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Operation and Safety Manual
Original Instructions - Keep this manual with the machine at all times.
ANSI
®
Trailer Mounted
Boom Lift Models
T350
T500J
P/N - 3121197
May 21, 2014

Table of Contents

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Questions and Answers

  • N
    Nicole WalkerAug 18, 2025
    Why is the braking effect insufficient on my JLG Lifting Systems?
    • J
      Joshua HillAug 18, 2025
      If you experience insufficient braking effect with your JLG Lifting Systems, several factors could be responsible. Excessive backlash in the brake system, brake linings that are glazed, oily, or damaged, a jammed or deformed brake linkage, or rusty or kinked brake Bowden cables all require servicing at a qualified workshop. If the brake linings are not yet run in, actuate the hand-brake lever slightly and drive for 1-2 miles (2-3 km). Also, ensure the overrunning hitch isn't hard to operate; if it is, grease it.
  • A
    Ashley CollinsAug 21, 2025
    Why do the wheel brakes get hot on my JLG Lifting Systems?
    • D
      Dr. Ashley CallahanAug 21, 2025
      If the wheel brakes of your JLG Lifting Systems are getting hot, it could be due to several reasons. The brake system may be incorrectly set, the wheel brakes may be dirty, the reversing lever of the overrunning hitch could be jammed, or the spring type actuator may be pre-loaded. All these issues require servicing at a qualified workshop. Another cause could be that the handbrake lever is not fully released; ensure it is set to the zero position.
  • L
    lambertnormaAug 25, 2025
    Why is the braking action of the handbrake insufficient on my JLG Lifting Systems?
    • N
      Nicholas MedinaAug 25, 2025
      If the braking action of the handbrake is insufficient on your JLG Lifting Systems, it could be due to an incorrect setting that requires servicing at a qualified workshop. Also, actuate the handbrake lever as far as possible.
  • M
    Marcus WalkerAug 28, 2025
    What to do if the brake reacts by jerks on my JLG Lifting Systems?
    • M
      matthew56Aug 28, 2025
      If the brake of your JLG Lifting Systems reacts by jerks, it may be caused by excessive backlash in the brake system, a defective shock absorber of the overrunning hitch, or a backmat brake shoe jammed in the brake shoe holder. It is suggested to service at qualified workshop.
  • H
    Heather PhillipsAug 31, 2025
    Why is reverse driving hard to accomplish on my JLG Lifting Systems?
    • S
      scampbellAug 31, 2025
      If reverse driving is hard to accomplish or even impossible with your JLG Lifting Systems, it could be due to a brake system adjusted too tightly or pre-loaded Bowden cables. It is suggested to service at qualified workshop.
  • S
    Sharon SkinnerSep 4, 2025
    What to do if the trailer is already braked when the accelerator pedal is released on my JLG Lifting Systems?
    • L
      Lauren AtkinsonSep 4, 2025
      If the trailer is already braked when the accelerator pedal is released on your JLG Lifting Systems, it might be because the shock absorber of the overrunning hitch is defective. It is suggested to service at qualified workshop.
  • M
    Michael PerrySep 7, 2025
    Why ball coupling does not rest on ball on my JLG Lifting Systems?
    • C
      Courtney NielsenSep 7, 2025
      If the ball coupling of your JLG Lifting Systems does not rest on the ball, it could be due to a dirty coupling interior. Clean and grease it properly. Alternatively, the ball of the towing vehicle might be too big. Check the ball diameter; according to DIN 74058, it must not exceed 50 mm when new and should be Ø 49.5 mm. If it decreases to less than 49.0 mm, replace the ball, ensuring it is perfectly spherical.
  • K
    karen75Sep 12, 2025
    What to do if the trailer is braked unilaterally on my JLG Lifting Systems?
    • J
      Joseph MorrisSep 12, 2025
      If your JLG Lifting Systems trailer is braked unilaterally, it indicates that the wheel brakes are actuated unilaterally. It is suggested to service at qualified workshop.
  • J
    Jamie RoachNov 14, 2025
    Why is my JLG T500J making squeaking, clatter, or chucking noises?
    • L
      Lisa ReynoldsNov 14, 2025
      If your JLG Lifting Systems is experiencing squeaking, clattering, or chucking noises, several issues could be the cause. It could be due to a lack of hitch ball lubrication, which can be solved by lubricating it with conventional automotive grease or a commercial lubricant made for hitch balls. Other potential causes include binding linkage and pivots on the brake actuator (oil the linkage & pivots), a loose hitch ball or hitch (inspect and tighten), the actuator being loose on the trailer frame (inspect and tighten), a worn or too-small hitch ball (replace it), overheated brakes (replace the wheel bearing), broken brake drum(s) (replace the brake drum(s) and check the brake shoes), low brake fluid level (fill and bleed the brakes), a worn-out shock absorber (replace it), partial applicat...

Summary

FOREWORD

SAFETY ALERT SYMBOLS AND SAFETY SIGNAL WORDS

Explains safety alert symbols and signal words used in the manual for hazard identification.

SECTION 1. SAFETY

1.1 GENERAL SAFETY PRECAUTIONS

1.2 TOWING REGULATIONS

1.3 BEFORE OPERATING THE LIFT

Covers pre-operation checks for the work area and the machine itself.

1.4 MACHINE OPERATION SAFETY

Provides essential safety guidelines for general machine operation, including hazards.

1.6 TOWING HAZARDS

SECTION 2. USER RESPONSIBILITIES, MACHINE PREPARATION, AND INSPECTION

2.1 PERSONNEL TRAINING REQUIREMENTS

Defines essential knowledge, supervision, and responsibility for operators.

2.2 PREPARATION, INSPECTION, AND MAINTENANCE

Covers pre-start inspection checklist and function check procedure.

SECTION 3. TOWING

3.1 GENERAL TOWING INFORMATION

3.3 TOW VEHICLE AND HITCH INFORMATION

Specifies requirements for the towing vehicle's hitch capacity.

3.4 COUPLING AND UNCOUPLING THE TRAILER

Guides on coupling, uncoupling, safety chains, and brake systems.

3.7 TOWING GUIDELINES

3.8 PRE-TOW INSPECTION

A comprehensive checklist for inspecting the trailer before towing.

SECTION 4. MACHINE CONTROLS AND INDICATORS

4.2 CONTROLS AND INDICATORS

Details the controls and indicators at the ground and platform control stations.

SECTION 5. MACHINE OPERATION

5.2 BOOM OPERATING CHARACTERISTICS AND LIMITATIONS

Specifies capacities, stability factors, and operational limits.

5.3 ENGINE OPERATION (IF EQUIPPED)

5.4 OUTRIGGERS OPERATION

Instructions for deploying outriggers from ground and platform consoles.

5.5 PLATFORM FUNCTIONS

5.6 BOOM OPERATIONS

5.8 USER FAULT CODES

5.9 BATTERY CHARGING

5.13 MATERIAL HOOK OPERATING PRECAUTIONS

5.16 DRIVE & SET OPERATION

Procedure for setting up the machine for drive and set, and preparing for towing.

5.17 SHUT DOWN AND PARK

5.18 TIE DOWN PROCEDURES

SECTION 6. EMERGENCY PROCEDURES

6.2 INCIDENT NOTIFICATION

6.3 EMERGENCY OPERATION

Steps to take when the platform operator is pinned or unable to control the machine.

6.4 MANUAL DESCENT PROCEDURES

Detailed steps for manually lowering the lift, telescoping, and swinging.

JLG T500J Specifications

General IconGeneral
Platform Capacity500 lbs
Platform Rotation180 degrees
Vertical Jib Rotation130 degrees
Platform Height50 ft / 15.24 m
Working Height56 ft
Stowed Height6 ft 6 in
Stowed Length22.17 ft / 6.76 m
Jib Length4 ft / 1.22 m
Ground Clearance1 ft
Machine Height6 ft 6 in
Machine Length22.17 ft / 6.76 m
Hydraulic Tank Capacity6 gallons
Platform Width4 ft / 1.22 m
Stowed Width5 ft 6 in
Machine Width5 ft 6 in

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