18
ZF PADOVA
SECTION
7
TROUBLESHOOTING
SYMPTOMS CAUSES RIMEDIES
1) No oil pressure
in the main circuit or
lubrication in
neutral or in gear position
1 - No oil in gearcase
2 - Suction filter completely clogged
3- Pump drive coupling broken
- Fill with oil
* - Remove and clean the filter
* - Remove pump and replace cou-
pling
1 - Oil level toolow
2 - Incorrect position of gear shift
lever
3 - Suction filter partially clogged
4 - Incorrect oil type
5 -Trolling lever in trolling range (if
present)
2) Low oil pressure with
drive engaged
- Insufficient oil level
- Register the control in the distri-
butor
- Replace with prescribed oil
1 - Water flow rate in oil cooler too
low
2 - Oil cooler dirty
3 - Oil level too high or too low.
4 - Incorrect oil type
5 - Clutch slipping
3) High oil temperature
* - Replace valves and pipelines with
others of larger internal diameter
* - Clean oil cooler
- Restore normal level
- Drain gearbox and fill with correct
grade
- Check operating pressure
1 - Inefficent or erratic oil/water heat
exchange
4) Oil level fluctuating
* - Replace oil cooler
* You are advised to contact authorised ZF service centres to rectify the points marked with this
symbol.
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