Terex Fermec 760 - TRANSMISSION TROUBLESHOOTING

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TROUBLESHOOTING PROCEDURES
Transmission fails to drive in forward or reverse
Check the machine for oil leaks and damaged or missing parts. Repair as required.
IIs the oil in the sump at the correct level ?
Do the oil pump pressure test as detailed in this
section.
Is the oil pump serviceable ?
Is the cold start relief valve operating correctly ?
Do the relevant clutch pressure test as detailed in
this section. Is the clutch serviceable ?
Are the clutch shaft sealing rings serviceable ?
Do the torque converter relief valve test as
detailed in this section. Is the torque converter
relief valve serviceable ?
Do the circuit pressure test as detailed in this sec-
tion. Is the circuit pressure correct ?
Is the transmission serviceable ?
Fillthesumpwiththeoilspecified
Troubleshooting procedure complete
Replaceorrepairtheoilpump
Replace or repair the cold start relief valve
Replaceorrepairtheclutch
Replacetheclutchshaftsealingrings
Replace or repair the torque converter relief
valve
Replace or repair the torque converter or the
oil cooler
Replaceorrepairthetransmission
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
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