QUARTERLY NOTES (CONTINUED)
ENGINE OIL FILTERS
Replace both filter elements quarterly, every 750 mi (1207 km),
every 75 hr, or when engine oil is drained.
The following steps are written for one engine oil
filter but apply to both.
A Remove drain plug (1) and drain oil into a suitable container.
B Loosen shoulder bolt (2) and remove shell (3), filter element (4),
and gasket (5).
C Discard filter element and gasket.
Dry cleaning solvent (SD2) is toxic and flammable.
Wear protective goggles and gloves and use only in
D Clean plug (1) and shell (3) with solvent SD2, dry thoroughly,
and install drain plug (1) in shell (3).
E Place new gasket (5) in adapter (6) and press into place.
F Place new filter element in shell (3) and install shell (3) on
adapter (6) with drain plug (1) down.
G Tighten shoulder bolt (2) securely and run engine for a few
H Shut off engine and check oil level. Add oil as necessary (see
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