Operation Manual

Job Card No.:
Engine:
Filing No.:
Fuel System
Bleeding
0178-20-10 1847
© 1184
07.03.02
S/BVM 628
Fig. 1
Fig.2
Servicing
Before using reconditioned (overhauled) or new in-
jection pumps, or following fitment of fuel piping,
filter or overflow valve, the entire fuel system must be
filled up with fuel and bled.
Job
Bleeding the Low Pressure System - Fig. 1
Stop engine. Place control rod of injection pump in
full-load position. (Engine control lever in ”Run” posi-
tion.) Open shut-off valve in fuel line to engine.
Switch 3-way cock (7) at fuel filter to middle position
and unscrewing screws (5). Remove cover (4). Open
bleed screws (3) by 1 or 2 threads. With hand pump
or standby feed pump prime system until fuel emer-
ges free from bubbles at the bleed screws. Retighten
bleed screws.
Refit cover and secure by wing screws. Switch 3-
way cock to right or left position.
Bleeding the High Pressure System - Fig. 2
Loosen union screw (1) by 1 to 2 turns, so that inner
seal will not be damaged. Loosen union nut (2) also
by 1 or 2 turns, using claw grip spanner and tommy
bar. Afterwards, place control level several times
briefly to ”Run” position until fuel emerges at the
passage of the injection pipe through the cylinder
head. Tighten injection pipe connection (see Section
3.5, item 31). Finally, lightly tighten union screw (1).
Tools:
- Standard tools
- Claw grip spanner with tommy bar
(Section 1.8)
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© 24 965 1