Troubleshooting - ZF Marine 12 Manuel De Service

ENGLISH
VI TROUBLESHOOTING
First of all check, whether all items
of operating instructions have been
complied with.
The following schedule assists you
in troubleshooting.
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Owner's Manual ZF 12
Symptom
1. High fluid temperature
2. Fluid on transmission housing
3. Fluid and water mixed
4. Shifts hard
5. Slow engagement
6. No movement of the boat
7. Noisy transmission
Possibly caused by
Fluid level high during operation
Fluid level low
Plugged or restricted
No water in cooling system
Unknown
Loose screws
Loose screw connections
Loose dipstick
Loose fluid filter
Fluid level high during operation
Unknown
Damaged fluid cooler
Selector control
Linkage
Unknown
Selector control
Low fluid level
Linkage
Unknown
Selector control
Improper selector position
Low fluid level
Propeller missing
Propeller shaft broken
Transmission malfunction
Engine malfunction
Filter element clogged
23
Remedy
Pump out fluid to max.
mark on dipstick
Add fluid
Replace cooler and flush
fluid cooler water system
Check cooling system and repair
Consult service station
Tighten to specification
Tighten, replace
Tighten, replace
Tighten, replace
Pump out fluid to max.
mark on dipstick
Consult service station
Consult service station
Consult service station
Adjust
Consult service station
Consult service station
Add fluid
Adjust
Consult service station
Consult service station
Adjust
Add fluid
Replace
Consult service station
Consult service station
Consult service station
Clean filter element