TL260
Troubleshooting
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Malfunction Sluggish acceleration and deceleration, too little propulsive power
Cause • Insufficient engine power
• Brake has got stuck
• No tank pressurization
• Suction filter clogged
• FAST-SLOW-gear not functioning due to electric or mechanical fault
• Fault in operation of brake-inching pedal
• Charge pump sucking up air
• Travel pump incorrectly adjusted
• Insufficient charge or supply pressure
• Pressure relief valve of charge circuit dirty or damaged
• Insufficient high-pressure
• Travel pump does not open fully, pilot pressure too low
• Internal damage to travel pump or travel motor
• Travel motor mis-adjusted
Remedy
Check ventilation filters and breathers, replace
Replace suction filter
Only Terex-customer service personnel are permitted to undertake the following
type of work.
Check diesel engine
Check and repair brake
Check power supply and solenoid valve, repair and replace if necessary
Check, adjust, replace brake-inching device
Check charge pump, eliminate leaks
Re-adjust travel pump
Check and adjust charge or supply pressure
Check, re-adjust or replace pressure relief valve of charge circuit
Check high-pressure; re-adjust or replace pressure cut-off and high-pressure
valves if required.
Nozzles clogged, check, repair
Replace travel pump or travel motor
Re-adjust travel motor
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