Fault Finding; System Faults; Jet Unit Faults; Engine Rpm Increases Suddenly - Hamilton Jet HJ212 Installation And Service Manual

Installation and Service Manual

7 - Fault Finding

In This Section

System Faults ......................................................................................................................... 7-1

Jet Unit Faults ........................................................................................................................ 7-1

Dry run faults ......................................................................................................................... 7-3
Reverse System Faults ........................................................................................................... 7-3
Steering System Faults .......................................................................................................... 7-5
System Faults
The following pages contain solutions to faults that could occur and some possible solutions:
Locate a symptom similar to that experienced.

Try each solution, starting with the simplest until the fault is found.

For further information refer to the pages indicated.

Jet Unit Faults

Engine RPM increases suddenly

Possible cause
Screen blocked
Object jammed in stator
Air is getting into the jet unit
Blockage in the jet unit
Refer to section: Clearing blockages on page 10-46.

Engine RPM decreases

Possible cause
Screen blocked
Object jammed in stator
Air is getting into the jet unit
Blockage in the jet unit
Refer to section: Clearing blockages on page 10-46.
Solution
Remove the blockage
Remove the object
Check the inspection cover
Remove the blockage
Solution
Remove the blockage
Remove the object
Check the inspection cover
Remove the blockage
7-1
Fault Finding