Terex TL260 - Page 175

TL260
Troubleshooting
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Malfunction Hydrostatic travel drive without neutral position
Cause • Switch for travel direction damaged
• Solenoids of valve damaged
• Neutral position incorrectly adjusted
• Internal damage to travel pump
• Excessive engine idling
Remedy Only Terex-customer service personnel are permitted to undertake the following
type of work.
 Replace or repair direction switch
 Check / re-calibrate solenoids of valve (call Service Agent)
 Replace travel pump
 Re-adjust engine idling
Malfunction Hydraulic oil exceeds max. admissible temperature
Cause • Thermo switch damaged
• Oil level too low
• Oil cooler dirty or damaged
• Suction filter clogged
• High-pressure valves do not respond all the time or too early
• Flushing circulation not functioning
• Travel pump or travel motor damaged (wear)
• Loader pump worn
• Main pressure relief valve damaged
Remedy
 Replace suction filter
 Top up oil to mark on dipstick
 Clean, check and, if necessary, replace oil cooler
Only Terex-customer service personnel are permitted to undertake the following
type of work.
 Replace thermo switch
 Check high-pressure valves, re-adjust or replace if necessary
 Check pressure of flushing and charge pump, possible back pressure in
cooling circuit, check housing pressure
 Replace travel pump or travel motor
 Replace working pump
 Replace main pressure relief valve