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Yanmar 4JH3-TE Series - Pre-Operation Checks and Procedures

Yanmar 4JH3-TE Series
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22
GB
3.2 Before Initial Operation
Perform the following before using the
engine for the first time:
3.2.1 Supply Fuel Oil
Using gasoline, etc. may
cause a fire.
To avoid mistakes, be
sure to double-check the
kind of fuel before insert-
ing. Wipe off any spilled
fuel carefully.
1. Before filling with fuel, wash out the fuel
tank and fuel system with clean
kerosene or light oil.
2. Fill the tank with clean fuel oil free of dirt
and water.
3.2.2 Bleeding the Fuel System
Bleed the fuel system according to the
following procedure. When there is air in
the fuel system, the fuel injection pump will
not be able to function.
1. Open the fuel cock of the fuel tank.
2. Loosen the air bleeding bolt on the top
of the fuel filter by turning it 2~3 times.
DANGER
3. Operation
3. Move the priming pump knob up and
down until fuel mixed with air bubbles
flows out of the air bleeding bolt and
tighten the air bleeding bolt. The priming
pump is on the top of the fuel filter.
3.2.3 Supply Engine Lube Oil
1. Remove the filler port cap (yellow) at the
top of the bonnet, and fill with engine
oil.
2. Fill with oil to the upper limit on the
dipstick. Insert the dipstick fully to
check the level.
Engine oil capacity: See 2.2 Engine
Specifications
3. Tighten the filler port cap securely by
hand.
Do not overfill.
Overfilling will cause oil to be sprayed
out from breather and lead to engine
problems.
Priming pump Air bleeding bolt
NOTICE
Filler port
Bonnet
Dipstick
Upper limit
Lower limit
JH-Turbo-Engels1b 28-06-2002 19:54 Pagina 22

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