SECTION 3 - CHASSIS & TURNTABLE
3-10
3121200
Troubleshooting
Table 3-1. Malfunctions and Remedies
Malfunction
Cause
Remedy
Insufficient braking effect
Excessive backlash in brake system
Service at qualified workshop
Brake linings not run in
Actuate hand-brake lever slightly; drive 1-2 miles (2-3 km)
Brake linings glazed, oily or damaged
Service at qualified workshop
Overrunning hitch hard to operate
Grease overrunning hitch
Brake linkage is jammed or deformed
Service at qualified workshop
Brake Bowden cables rusty or kinked
Service at qualified workshop
Brake reacts by jerks
Excessive backlash in brake system
Service at qualified workshop
Shock absorber of overrunning hitch defective
Service at qualified workshop
Backmat brake shoe is jammed in the brake shoe holder Service at qualified workshop
Trailer is braked unilaterally
Wheel brakes are actuated unilaterally
Service at qualified workshop
Trailer is already braked when the accelerator
pedal is released.
Shock absorber of overrunning hitch defective
Service at qualified workshop
Reverse driving hard to accomplish or even
impossible
Brake system adjusted too tightly
Service at qualified workshop
Bowden cables pre-loaded
Service at qualified workshop
See "Brake reacts by jerks"
Service at qualified workshop
Braking action of handbrake insufficient
Incorrect setting
Service at qualified workshop
Actuate handbrake lever as far as possible
Wheel brakes get hot
Brake system incorrectly set
Service at qualified workshop
Wheel brakes dirty
Service at qualified workshop
Reversing lever of overrunning hitch is jammed
Service at qualified workshop
Spring type actuator is pre-loaded in zero position; nuts
are turned in too far
Service at qualified workshop
Handbrake lever not or only partially released
Set handbrake lever into zero position
Ball coupling does not rest on ball
Coupling dirty on the inside
Clean and grease properly
Ball of towing vehicle too big
Check ball diameter: According to DIN 74058 the ball on the tow vehicle
must not exceed 50 mm in diameter when new and it must be Ø 49.5
mm. If the ball diameter decreases to less than 49.0 mm, the ball has to
be replaced. The ball must be perfectly spherical.
Summary of Contents for T500J
Page 1: ...Service and Maintenance Manual Model T500J PN 3121200 July 25 2018 Rev I AS NZS...
Page 2: ......
Page 16: ...xii 3121200 LIST OF TABLES TABLE NO TITLE PAGE NO This page left blank intentionally...
Page 36: ...SECTION 2 GENERAL 2 8 3121200 NOTES...
Page 143: ...SECTION 3 CHASSIS TURNTABLE 3121200 3 107 Figure 3 45 Battery Charger Schematic...
Page 234: ...SECTION 5 BASIC HYDRAULIC INFORMATION SCHEMATICS 5 60 3121200 NOTES...
Page 246: ...SECTION 6 JLG CONTROL SYSTEM 6 12 3121200 Figure 6 5 System Test Flow Chart Platform Tests...
Page 304: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 32 3121200 NOTES...
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