Cessna 150 - SERVICING INTERVALS CHECK LIST; EACH 50 HOURS; EACH 100 HOURS; EACH 500 HOURS

SERVICING INTERVALS CHECK LIST
EACH 50 HOURS
BATTERY --Check and service. Check oftener (at least every 30 days)
if operating in hot weather.
ENGINE OIL AND OIL FILTER--Change engine oil and replace filter
element. If optional oil filter is not installed, change oil and clean screen
every 25 hours. Change engine oil at least every four months even though
less than 50 hours have been accumulated. Reduce periods for prolonged
operation in dusty areas, cold climates, or when short flights and long
idle periods result in sludging conditions.
CARBURETOR AIR F1LTER--Clean or replace. Under extremely dusty
conditions, daily maintenance of the filter is recommended.
NOSE GEAR TORQUE LINKS--Lubricate.
EACH 100 HOURS
..__. -\KE MASTER CYLINDERS--Check and fill.
SHIMMY DAMPENER--Check and fill.
FUEL STRAINER--Disassemble and clean.
FUEL TANK SUMP DRAINS--Drain water and sediment.
FUEL LINE DRAIN PLUG--Drain water and sediment.
VACUUM SYSTEM OIL SEPARATOR (OPT}--Clean.
SUCTION RELIEF VALVE INLET SCREEN (OPT}--Clean.
EACH 500 HOURS
VACUUM SYSTEM AIR FILTER (OPT)--Replace filter element. Re-
place sooner if suction gage reading drops to 4. 6 in. Hg.
WHEEL BEARINGS--Lubricate at first 100 hours and at 500 hours there-
after. Reduce lubrication interval to 100 hours when operating in dusty
or seacoast areas, during periods of extensive taxiing, or when numerous
take-offs and landings are made.
AS REQUIRED
lOSE GEAR SHOCK STRUT--Keep filled with fluid and inflated to 20 psi.
Do not over-inflate.
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