5-20-00
SCHEDULED MAINTENANCE
Refer to Service Bulletin
M-86-6R1,
or current revision as applicable.
5-20-01
PREFLIGHT INSPECTION
Before each flight the engine and propeller should be examined for damage, oil leaks, proper
servicing and security. Refer to the airframe manual "Preflight Check List".
5-20-02 50
HOUR INSPECTION
Detailed information regarding adjustments,
repair and replacement of components may be
found in this Overhaul Manual. The following items should
be
checked during normal inspec-
tions.
1.
Engine C~nditions:
a. Magneto RPM drop: Check
b. Full Power RPM: Check
c. Full Power Manifold Pressure: Check
d. Full Power Fuel Flow: Check
e. Idle RPM: Check
Record any values not conforming to engine specifications so that necessary repair or
adjustment can be accomplished.
2.
Oil Filter: Replace filter, inspect cartridge.
3.
Oil:
Change oil,
if
integral screen or small filter is used.
4.
Air Filter: Inspect and clean or replace as necessary.
5.
Fuel System Clean fuel nozzles as required.
6.
High Tension Leads Inspect for chafing and deterioration.
7.
Magnetos:
8.
Magneto Filter:
9.
Visual:
Check and adjust only
if
non-conformities were
noted in Step
I.
lnspect for color,
if
white o.k., if red or con-
taminated replace.
Check hoses, lines, wiring, fittings, baffles, etc. for
general condition
,
proper routing
&
positioning.
10.
Exhaust System: Inspect for condition and leaks.
1
1.
Adjustments
&
Repairs:
12.
Engine Condition:
Perform service as required on any items that are
not within specifications.
Run up and check as necessary for any items
serviced in Step
11.
Check engine
for
oil and fuel
leaks before returning to service.
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