Trial Run - ZF 4-1 M Manual De Uso

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 fill the cooler and
pipelines with transmission oil.
3) Stop the engine and check oil level
again.
7.1 Troubleshooting
First of all check, whether all items of operating instructions have been complied with.
SYMPTOM
1. High fluid temperature
2. Fluid on transmission housing
3. Shifts hard
4. Slow engagement
5. No movement of the boat
Operating Manual ZF 4-1 M / ZF 30 M
If necessary, replenish with oil. Ex-
cessive oil should be removed.
The fluid level on the dipstick should
be between the min. and max.
marks.
The fluid 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 fluid when putting the
unit into operation again.
REMEDY
- Pump out fluid to max.
mark on dipstick
- Add fluid
- Replace cooler and flush
fluid cooler water system
- Check cooling system
and repair
- Tighten to specification
- Tighten, replace
- Tighten, replace
- Pump out fluid 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
15