22 PERIODIC SERVICE
ENGLISH
[Z482-E, Z602-E, D722-E, D902-E]
[PROCEDURE]
1. Fill the fuel tank to the fullest extent. Open the fuel
filter lever.
2. Loosen air vent plug of the fuel filter a few turns.
3. Screw back the plug when bubbles do not come up
any more.
4. Open the air vent plug on top of the fuel injection
pump.
5. Retighten the plug when bubbles do not come up
any more.
[D1005-E, D1105-E, V1305-E, V1505-E, V1505-TE,
D905-EBG, D1005-EBG, D1105-EBG, V1305-EBG,
V1505-EBG]
[PROCEDURE A] (gravity feed fuel tanks only)
1. Fill the fuel tank to the fullest extent. Open the fuel
filter lever.
2. Loosen air vent plug of the fuel filter a few turns.
3. Screw back the plug when bubbles do not come up
any more.
4. Open the air vent plug on top of the fuel injection
pump.
5. Retighten the plug when bubbles do not come up
any more.
[GRAVITY FEED SYSTEM]
[PROCEDURE B]
(fuel tanks lower than injection pump)
1. For fuel tanks that are lower than the injection pump.
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 3 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 (5) above.
(PROCEDURE A)
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]
[D1503-M-E, D1703-M-E, D1803-M-E, V2003-M-E,
V2203-M-E, V2003-M-T-E, V2403-M-E, D1503-M-DI-E,
D1703-M-DI-E, D1803-M-DI-E, V2203-M-DI-E,
V2003-M-DI-T-E, V2403-M-DI-E, V2403-M-DI-T-E,
D1703-EBG, V2203-EBG
]
[PROCEDURE A] (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. Start the engine and run for about 30 seconds, and
then stop the engine.
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.
(1) Fuel filter lever
(2) Air vent plug
(3) Fuel filter pot
(A) "ON"
(B) "OFF"
(1) Air vent plug
(2) Injection pump
(3) Fuel filter
(1) Fuel tank below injection pump
(2) Pre-filter
(3) Electric or Mechanical pump
(4) Main Filter
(5) Injection pump