Restarting After Starting Failure; After The Engine Has Started - Yanmar 4HLA-HTP Manual Del Usuario

4.3.3 Restarting After Starting Failure

When attempting to restart the engine after starting failure, be sure that the engine is at a complete
stop before turning the starter switch key. If the engine is restarted while the engine still has not
stopped, the pinion gear of the starter motor will be damaged.
When the engine will not start after several
●
attempts, check the fuel system. If there is
air in the fuel system, the fuel will not be fed
and starting will not be possible.
After bleeding air from the system, attempt to
restart the engine.

4.3.4 After the Engine has Started

(1) Warming-up running
After the engine has started, let it run for
about 5 minutes. This warms up the engine
and distributes oil to all of the parts.
■Morse Remote Control Handle
① Leave the remote control handle in
NEUTRAL.
②Pull out the handle lever (MT-3) or the
free throttle button (MV) and adjust
the speed to no more than 1500rpm and
run the engine at low speed with no load.
(2) Checking for problems
While warming up the engine, check the following items.
①Check that the meters and alarm devices on the control panel are normal.
②Check for water or oil leakage from the engine.
③Check that exhaust color, engine vibrations and sound are normal.
④Check that sufficient cooling water is discharged from the seawater outlet pipe.
Operation with too little seawater discharge will burn the impeller of the seawater pump.
If seawater discharge is too small, stop the engine immediately, identify the cause and repair
Is the kingston cock open ?
●
Is the inlet of the kingston cock clogged ?
●
Is the seawater suction hose broken, or does the hose suck in air due to a loose joint ?
●
[NOTICE]
Do not hold the starter switch on for
more than 15 seconds at a time. If the
engine does not start the first time, wait
for about 15 seconds before trying
→See 3.2.2
again.
[NOTICE]
The engine will seize if it is operated
when cooling seawater discharge is too
small or if load is applied without any
warming up operation.
_ _
35
MT-3 MV
→See 2.5.2