operators_manual

Fuel Filter Removal
Procedure for removing the PACCAR
MX-1
1 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 sig-
nificant damage to
the fuel system.
Failure to comply may result in equip-
ment 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 disposable
filter
and
must
not be cleaned and
reused. Dispose of the filter as chemi-
cal waste.
4. Remove the fuel filter cartridge.
Fuel Filter Installation - PACCAR
MX-11
Procedure for installing the P
ACCAR
MX-11 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 sys-
tem configuration the
fuel filter 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.
3. Tighten the fuel filter cap by
rotating it clockwise until the filter
cap O-ring makes contact with the
fuel module. Then tighten the filter
ENGINE MAINTENANCE - Maintenance Procedures
Y53-1166-1G1 (08/2018) 61
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