Supplying Fuel; Filling The Fuel Tank; Bleeding The Fuel System - Yanmar 6LPA-DTP Operación Manual

3.2 Supplying Fuel

Fires from Oil Ignition
Be sure to use the correct type of fuel when refueling.
●
Mistakenly filling with gasoline or the like will result in ignition.
Be sure to stop the engine before refueling.
●
If you spill fuel, wipe such spillage carefully.
Never place oils or other flammable material close to the engine as
●
this could result in ignition.

3.2.1 Filling the Fuel Tank

Before supplying fuel, flush the fuel tank and the fuel system parts with diesel fuel or kerosene.
Fill the tank with clean fuel which has not been contaminated with water or dust.
Fill the tank to approximately 90% of its capacity, and take care not to let the fuel spill over during
operation.

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.
①Check the amount of fuel in the fuel tank,
if insufficient replenish.
②Open the fuel cock of the fuel tank.
③Loosen the fuel pipe joint bolt on the fuel
filter outlet by turning it 2〜3 times with a
spanner.
④Feed the fuel with the priming pump.
The priming pump is on the top of the fuel
filter.
Move the priming pump knob up and down
until fuel mixed with air bubbles flows out
of the pipe joint bolt.
⑤When the fuel coming out is clear and
not mixed with any bubbles, tighten the
pipe joint bolt.
⑥Check no leakage of fuel oil from the seals
of the pipe joint bolt during moving the
priming pump knob up and down.
DANGER
priming
pump
knob
Fuel
filter
_ 20 _
Fuel pipe joint bolt
(Air bleeding bolt)
Fuel injection
pump