21PERIODIC SERVICE
ENGLISH
[PROCEDURE ] (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 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]
BChecking the fuel pipes
CAUTION
To avoid personal injury;
A Check or replace the fuel pipes after
stopping the engine. Broken fuel
pipes can cause fires.
Check the fuel pipes every 50 hours of operation. When
if;
1. If the clamp band is loose, apply oil to the screw of
the band, and tighten the band securely.
2. If the fuel pipes, made of rubber, became worn out,
replace them and clamp bands every 2 years.
3. If the fuel pipes and clamp bands are found worn or
damaged before 2 years' time, replace or repair
them at once.
4. After replacement of the pipes and bands, air-bleed
the fuel system.
A When the fuel pipes are not installed, plug them at
both ends with clean cloth or paper to prevent dirt
from entering. Dirt in the pipes can cause fuel
injection pump malfunction.
[Z482-E3, Z602-E3, D722-E3, D782-E3, D902-E3,
D1005-E3, D1105-E3, D1105-TE3, D1305-E3, V1505-E3,
V1505-TE3, D1005-E3BG, D1105-E3BG, V1505-E3BG]
(1) Fuel tank below injection pump
(2) Water separator
(3) Pre-filter
(4) Electric or Mechanical pump
(5) Main Filter
(6) Injection pump
(1) Clamp band
(2) Fuel pipe
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