Yanmar 4LHA-HTP User Manual

f-[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
again.
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. —See 3.2.2
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
©Leave the remote control handle in
. NEUTRAL.
©Pull 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.
r
[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.
MT-3 MV
^ NEUTRAL
1 fW^\JD
throttle
button
\\ Pull out handle lever
Pull out free throttle button.
(2) Checking for problems
While warming up the engine, check the following items.
©Check that the meters and alarm devices on the control panel are normal. —See 2.5.2
©Check for water or oil leakage from the engine.
©Check that exhaust color, engine vibrations and sound are normal.
©Check 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 ?
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Yanmar 4LHA-HTP Specifications

General

Brand	Yanmar
Model	4LHA-HTP
Category	Engine
Language	English