Serial Number: 1203
35
6
Periodic inspections
6.1
25-hour inspection
Remove top cowling of engine
Check condition and leaks of fuel system
Check condition and leaks of oil system
Check condition and leaks of cooling system
Check exhaust system for cracks and leaks
Check engine mount for cracks
Check attachment of engine mount and engine
Check attachment of propeller
Visual check of electric installation
Check nose wheel shock absorber and control
Lubricate nose wheel leg
Check carburetor control (choke, throttle)
6.2
100-hour inspection
If aircraft is operated in demanding conditions, halve this interval to 50 hours.
Demanding conditions include:
1) Glider towing
2) Ambient temperatures continuously exceeding 35° C
This inspection consists of the following:
1) Engine and propeller service
2) Airframe service
3) Fuel system cleaning
4) Inspection of instruments and equipment
1) Engine and propeller service
Change engine oil and filter, check and clean spark plugs, replace as necessary, check carburetor
adjustment and control, check exhaust system condition, check engine mount and attachment of all
parts, propeller service, inspection, check tightening of mounting screws using prescribed torque,
check condition of propeller hub and blades – concentrate on cracks; other checks prescribed by
propeller manufacturer.
Observe engine and propeller manufacturer’s instructions during this work.
