Decrease In Machine's Performance (Loader Installation); Working Cylinders Not Operating Satisfactorily; Faults In The Electrical System - Terex TL80 Operating Instructions Manual

8 Troubleshooting
Fault Possible cause

8.12 Decrease in machine's performance (loader installation)

1 Insufficient engine power
2 Hydraulic oil level too low
3 Pump is sucking up air
4 Insufficient operating pressure
5 Pump worn
6 Incorrect hydraulic oil

8.13 Working cylinders not operating satisfactorily

1 Seals in cylinders worn
2 Secondary valves defective

8.14 Faults in the electrical system

1 Outside and/or internal lighting damaged
2 Windshield wiper not working
3 Horn not responding
4 Control organs are imprecise
5 Starting
satisfactorily
100
system does not
Remedy
Check diesel engine and adjust if necessary
Top up hydraulic oil to mark on dipstick
Re-tighten hose connections. Replace O-ring or
seals
Re-adjust main pressure relief valve, replace if
necessary
Replace pump
Quality of hydraulic oil must conform to our
recommendation
Re-seal cylinders
Check secondary valves and replace completely if
necessary
Check cables, connections, bulbs and fuses
Check cables, connections, and fuses
Examine windshield wiper for mechanical damage
Check or replace if necessary
Check cables, connections, and fuses
Replace complete horn if required
Determine the fault or source of the problem, call
Service Agent if necessary
work Check charge capacity of battery
Test starter function
Check connection and condition of power and
battery ground cables
Check function of ignition lock, replace if
necessary
TL80