ENGINE
General:
Basic maintenance procedures are
con-
tained within the Ford manual, which should be used
in conjunction with the set manual, except in such
cases where instructions state otherwise. Then, the
new information unique to the EK/EM set shall take
precedence.
Air Filter: Remove wing nut in center of filter cover.
See Figure 24. Remove cover and filter. Tap f ilteron a
flat surface to remove adherent dirt. Place a light
source inside the filter and inspect for free air
passage. If necessary, apply a low pressure air source
(30-psi [207 kPa] OSHA) to the inside of the filter to
remove as much dirt as possible. Inspect interior
housing.
Vacuum clean if dirty, or remove housing
and wipe clean.
COAT GASKET WITH ENGINE OIL
CAUTION
Oo not clean filter housing while still installed.
Loose dirt entering intake could damage
carburetor or engine.
Replace air filter every 50 hours of operational time;
more often in extremely dusty conditions.
WING NUT
FILTER COVER
FIGURE 24. AIR CLEANER
Engine Oil Filter: Spin-off type, should be replaced
with every oil change, at 50 hours of operational time.
Remove and discard old filter, wipe oil from exposed
adapter recess. See Figure 25. Coat gasket of new
filter with clean lubricating oil and place in position on
adapter. Hand-tighten filter until gasket contacts
adapter face then advance one-half
turn.
DO NOT
OVERTIGHTEN.
Clean all oil residues from engine, then fill crankcase.
Refer to Prestart Servicing. Run engine and check for
oil leaks; make necessary repairs. Note oil change in
engine logbook.
FIGURE 25. OIL FILTER ASSEMBLY
Fuel Filter Replace filter every 200 operational hours
or as conditions require. Unscrew the filter housing
from the fuel pump (Figure 26) and remove the filter
element and gasket. Discard the element and gasket.
Clean the filter housing in a petroleum cleaning
solvent.
Place a new filter element over the spout in the fuel
pump valve housing cover.
Be sure to use the proper type element for the installation.
Coat a new gasket with a light engine oil and position
the gasket on the filter housing. Screw the filter
housing onto the fuel pump. Hand tighten the filter
housing until the gasket contacts the pump, and then
advance it 1/8
turn.
Start the engine and check for
leaks.
FIGURE 26. FUEL FILTER ASSEMBLY
Crankcase Ventilation (PCV) Valve: Push fit in valve
rocker cover. Remove and clean at every oil change.
After cleaning, shake valve to ensure ball is free, then
reinstall.
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