operators_manual

Fuel Filter Removal
Procedure for removing the engine fuel
filter.
Follow the steps below to remove the fuel
filter:
Fuel Module
4
1
2
3
1. Fuel Filter Cap
2. Fuel Filter
3. Manual Priming Pump
4. Fuel Filter Housing
1. Clean the fuel filter cap and
surrounding area to ensure dirt does
not fall into the fuel module.
CAUTION
Dirt in the fuel system can lead
to significant damage to the fuel
system. Failure to comply may
result in equipment or property
damage.
2. Loosen the fuel tank cap to relieve
any pressure in the fuel tank.
3. Remove the fuel filter cap by rotating
it counter-clockwise with a wrench,
automatic draining of fuel will be
initiated, wait 5 minutes for complete
fuel draining to prevent fuel from
leaking or dripping on the starter
motor.
NOTE
The fuel filter cartridge is a dis-
posable filter and must not be
cleaned and reused. Dispose of
the filter as chemical waste.
4. Remove the fuel filter cartridge.
Fuel Filter Installation
Procedure for installing the PACCAR PX-7
or PX-9 fuel filter.
Follow the steps below to install a new fuel
filter:
1. Verify the sealing O-ring that is
supplied with the filter kit is installed
on the fuel filter cap and lightly coat
the O-ring with fuel.
2. Install the new fuel filter cartridge to
the cap, then insert into the fuel
module.
NOTE
Depending on the vehicle’s fuel
system configuration the fuel fil-
ter housing may not completely
drain of fuel. If this is the case,
take care when installing the new
filter as this may cause fuel to
spill from the filter housing.
ENGINE MAINTENANCE - Maintenance Procedures
60 Y53-1185-1E1 (04/16/18)
2