Trial Run - ZF 4-1 M Manuel De Service

Only use oil for automatic gearboxes,
as given in the specifi cation in the «List
of recommended oils» on page 82.

6.1.5 TRIAL RUN

1) Carry out a trial run after the oil
change.
2) Set shifting lever to neutral position
(N). Start engine and let it run idle
for a short time to fi ll the cooler and
pipelines with transmission oil.
7.1 Troubleshooting
First of all check, whether all items of operating instructions have been complied with.
SYMPTOM
1. High fl uid temperature
2. Fluid on transmission housing
3. Shifts hard
4. Slow engagement
5. No movement of the boat
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Operating Manual ZF 4-1 M / ZF 30 M
3) Stop the engine and check oil level
again.
If necessary, replenish with oil.
Excessive oil should be removed.
The fluid level on the dipstick
should be between the min. and
max. marks.
The fl uid level should be checked
again after a short driving period.
POSSIBLY CAUSED BY
- Fluid level high
during operation
- Fluid level low
- Plugged or restricted
- No water in cooling
system
- Loose screws
- Loose screw connections
- Loose dipstick
- Fluid level high
during operation
- Selector control
- Unknown
- Selector control
- Unknown
- Selector control
- Improper selector position
- Propeller missing
- Propeller shaft broken
- Transmission malfunction
- Engine malfunction
6.1.6 STORAGE
If the transmission is stored for longer
time, for example winter storage, it
should be topped off through the dip-
stick hole with ATF to prevent the unit
from corrosion.
CAUTION
Change the fl uid when putting the
unit into operation again.
REMEDY
- Pump out fl uid to max.
mark on dipstick
- Add fl uid
- Replace cooler and fl ush
fl uid cooler water system
- Check cooling system
and repair
- Tighten to specifi cation
- Tighten, replace
- Tighten, replace
- Pump out fl uid to max.
mark on dipstick
- Consult service station
- Consult service station
- Consult service station
- Consult service station
- Consult service station
- Adjust
- Replace
- Consult service station
- Consult service station
- Consult service station
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