20 PERIODIC SERVICE
ENGLISH
[D1503-M-E3, D1703-M-E3, D1803-M-E3, V2003-M-E3,
V2203-M-E3, V2403-M-E3, V2403-M-T-E3, D1803-M-DI-E3,
V2403-M-DI-E3]
[PROCEDURE ] (gravity feed fuel tanks only)
1. Fill the fuel tank to the fullest extent. Open the water
separator lever.
2. Open the air vent cock on top of the fuel injection
pump.
3. Turn the engine, continue it for about 10 seconds,
then stop it, or move the fuel pump lever by hand
(optional).
4. Close the air vent cock on top of the fuel injection
pump.
A Always keep the air vent cock on the fuel injection
pump closed except when air is vented, or it may
cause the engine to stop.
[GRAVITY FEED SYSTEM]
[PROCEDURE ] (fuel tanks lower than injection
pump)
For fuel tanks that are lower than the injection pump.
1. The fuel system must be pressurized by the fuel
system electric fuel pump.
2. If an electric fuel pump is not used, you must
manually actuate the pump by lever to bleed.
3. The primary fuel filter must be on the pressure side
of the pump if the fuel tank is lower than the injection
pump.
4. To bleed, follow (2) through (4) above.
(PROCEDURE )
A Tighten air vent plug of the fuel injection pump
except when bleeding, or it may stop the engine
suddenly.
[TANK BELOW INJECTION PUMP SYSTEM]
[V3600-E3, V3600-T-E3, V3300-E3BG, V3600-T-E3BG]
[PROCEDURE ] (gravity feed fuel tanks only)
1. Fill the fuel tank to the fullest extent. Open the fuel
filter lever.
2. Open the joint bolt on top of the fuel injection pump.
3. Turn the engine, continue it for about 10 seconds,
then stop it, or move the fuel feed pump lever by
hand (optional).
4. Close the Joint bolt on top of the fuel injection pump.
A Always keep the air vent cock on the fuel injection
pump closed except when air is vented, or it may
cause the engine to stop.
[GRAVITY FEED SYSTEM]
A For the engine equipped with automatic venting
(optional) no manual bleeding of fuel lines is
required.
(1) Air vent cock
(2) Fuel feed pump
(1) Fuel tank below injection pump
(2) Water separator
(3) Pre-filter
(4) Electric or Mechanical pump
(5) Main Filter
(6) Injection pump
(1) Joint bolt
(2) Fuel feed pump
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