Yanmar YM240 - Fuel System; Fuel Strainer and Fuel Filter Maintenance

Service 73
,- [I 0- FUEL SYSTEM
Escaping diesel fuel under pressure can have suf-
ficient force to penetrate the skin, musing serious
personal injury. Before disconnecting lines,
be sure
to relieve
aH pressure. Before applying pressure to
the system,
be sure all connections are tight and
that
lines, pipes and hones are not damaged. Fluid
escaping from
a very small hole can be almost
invisible.
Use a piece of cardboard or wood to
search for suspected leaks.
If injured by escaping fluid, see a doctor at once.
Serious infection or reaction can develop if proper
medical treatment is not administered immedi-
ately.
Modification or alternation of injection pump, the
injection pump timing, or the fuel injection nozzles
in ways not recommended by the manufacturer
0 will terminate the warranty obligation to the
purchaser.
See warranty information inside front
cover.
Do not attempt to service injection pump or fuel
injection nozzles yourself. Special training and
special tools are required.
See your YANMAR
dealer.
The fuel system includes the fuel tank, fuel
strainer, fuel pump, fuel filter, injection nozzles.
and the lines which connects these parts.
Proper servicing of the fuel system is important for
fuel economy, smooth operation. and long engine
life.
Fill the fuel tank at the end of each day's opera-
tion to prevent moisture from condensing in the
fuel tank.
Improper fuel storage may cause frequent con-
tamination of fuel system.
(1) Fuel strainer in the fuel tank
Keep fuel strainer clean every time. Never remove
it to shorten pouring time.
Clean fuel strainer every time before filling fuel
tank. If
it is damaged, replace with a genuine
YANMER strainer.
(2) Fuel filter
1) Draining deposits from fuel filter sediment
bowl
E.very 10 hours or daily operation, check
lower portion of fuel filter for water or dirt
deposits.
Every
100 hours operation, clean filter
element and sediment bowl.
24090
a) Close fuel shut-off valve.
b) Remove sediment bowl and fuel filter by
loosening mounting screw.
C) Clean element and sediment bowl.