ENGINE OPERATION
JH Series Operation Manual 67
3. Before returning to normal operation,
be sure to put the trolling handle in
high-speed (H) position.
4. Increase engine speed and continue
normal operation.
CAUTIONS DURING
OPERATION
Engine trouble can arise if the engine is
operated for a long time under overloaded
conditions with the control handle in the full
throttle position (maximum engine speed
position), exceeding the continuous rated
output engine speed. Operate the engine
at about 100 min
-1
lower than the full
throttle engine speed.
Note: If the engine is in the first 50 hours of
operation, see New Engine Break-In
on page 12.
Always be on the lookout for problems
during engine operation.
Pay particular attention to the following:
• Is sufficient seawater being discharged
from the exhaust and seawater outlet
pipe?
If the discharge is small, stop the engine
immediately; identify the cause and
repair.
• Is the smoke color normal?
The continuous emission of black
exhaust smoke indicates engine
overloading. This shortens the engines
life and should be avoided.
3JH40_4JH45_4JH57_4JH80_4JH110_EN_OPM.book 67 ページ ２０２２年９月２２日 木曜日 午後６時１７分
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