Cessna 1971 Super Skymaster - Page 41

SERVICING INTERVALS CHECK LIST
EACH 50 HOURS
•
SERVICING INTERVALS CHECK LIST
EACH 500 HOURS
BATTERY -- Check and service. Check more often (at least every 30
days)
if operating in hot weather.
ENGINE OIL AND OIL FILTERS -- Change engine oil and replace filter
elements. If optional oil filters are not installed, change oil and clean
screens 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.
NOTE
After first 20 to 30 hours of engine operation, an initial
oil change should be made to remove "break-in" oil and
change the
filters, if installed.
INDUCTION AIR FILTERS -- Clean or replace. Under extremely dusty
conditions, daily maintenance of the filters is recommended.
NOSE GEAR TORQUE LINKS -- Lubricate. When operating under dusty
conditions, more frequent lubrication is recommended.
EACH 100 HOURS
SPARK PLUGS -- Clean, test and regap.
FUEL STRAINERS -- Disassemble and clean.
FUEL SELECTOR VALVES (located at wing root) -- Lubricate detents
and selector valve arm pivot points.
BRAKE MASTER CYLINDERS -- Check and filL
SHIMMY DAMPENER -- Check and fill.
LANDING GEAR UNIVERSAL JOINTS
-- Lubricate.
LANDING GEAR DOWN LOCK -- Lubricate down lock pawls, down lock
stops, and cam surface on down lock switch brackets.
HYDRAULIC SYSTEM FILTER -- Disassemble and clean.
SUCTION RELIEF VALVE INLET FILTERS (OPT) -- Clean. Replace
at engine overhaul period.
WHEEL BEARINGS -- Lubricate at first 100 hours and at 500 hours
thereafter. 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.
VACUUM SYSTEM CENTRAL Am FILTER (OPT) -- Replace filter
element. Replace sooner if erratic or sluggish gyro responses are noted
with
normal suction gage readings.
AS REQUIRED
NOSE GEAR SHOCK STRUT -- Keep filled with hydraulic fluid and inflated
with air to 35 pSi.
HYDRAULIC FLUID RESERVOm
-- Check fluid level through sight window
at least every 25 hours. The sight window is located on the outside of the
fuselage on the left hand side forward of the windshield. Fill reservoir
through filler fitting as required. Use MIL-H-5606 hydraulic fluid.
....---- ADDITIONAL SERVICE AND TEST REGULATIONS
Servicing Intervals of items in the preceding check list are
recommended by The Cessna Aircraft Company. Govern-
ment regulations may require that additional items be in-
spected, serviced or tested at specific intervals for various
types of flight operations. For these regulations, owners
should check with aviation officials in the country where the
aircraft is being operated.
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