MacDon 9200 - Fuel Filters

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 n ot 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 LOW pressure lines and fuel filters:
1. Loo sen the bleed screw (A) located at the
outlet fitting from the fuel filter housing.
2. Push plunger ( 6) on the lift pump until clear
fuel with no air bubbles flows from around the
bleed screw.
3. Tighten the bleed screw (A).
67
BLEEDING LOW PRESSURE LINES
AND FILTERS