MacDon 9352i SP - Manual (Page 76)

Form # 147141 Issue 02/06 Web Rev_01 74
MAINTENANCE/SERVICE
Diesel Engine: Fuel System
FUEL SYSTEM AIR REMOVAL - DIESEL ENGINE
Controlled venting of air is provided at the injection
pump through the fuel drain manifold. Small
amounts of air introduced by changing filters or
injection pump supply line will be vented
automatically, if the fuel filter is changed in
accordance with instructions. (See "Fuel Filters".)
However, manual venting ("bleeding") may be
required if:
1. The fuel filter is not filled prior to installation.
2. Injection pump is replaced.
3. High-pressure fuel lines are replaced.
4. Engine is run until fuel tank is empty.
To bleed fuel system:
1. Loosen the bleed screws (A) on the fuel
injection pump.
2. Turn the feed pump knob (B) counterclockwise
until the pump knob is forced up by spring.
3. Depress the pump knob repeatedly until clear
fuel with no air bubbles flows from around the
bleed screw.
4. Tighten the bleed screws (A) and pump knob
(B).
A
B
BLEEDING INJECTION PUMP