CESSNA SECTION 8
MODEL
2088 (675 SHP)HANDLING, SERVICE, AND MAINTENANCE
PROPELLER CARE
The difference in blade material on the composite-bladed Hartzell
versus the aluminum-bladed
McCauley propeller will necessitate
different inspection and care techniques, and the pilot should be aware
of which propeller is installed on the airplane.
Using the Hartzell propeller, always conduct a preflight inspection and
occasionally clean the blades with mild soap and water (no
solvent-
based cleaners) to clean off grass and bug stains and assure a longer
blade life. During the preflight inspection, check the blades for nicks,
gouges, looseness of material, erosion, cracks and debonds. The
debond check is best accomplished by lightly tapping the entire metal
leading edge cap of each blade with a coin and noting any apparent
audible change. Also, the blades should be inspected for lightning
strike, which would be indicated by the presence of a darkened area in
the proximity of the tips. Check the anti-ice boots for security, the
propeller hub for evidence of grease and oil leaks, and the propeller
spinner for condition and security.
A
Composite Blade Inspection,
Repair and Overhaul Instruction Manual No. 135-C is available from
Hartzell Propeller Products and defines the various types of propeller
damage. Examples of minor and major damage are described. Repair
to the blades must be accomplished by a Hartzell Propeller Products
certified mechanic. Damages which are beyond the limits specified
under "Minor Damage" must be repaired prior to flight and may require
the blades be returned to the factory or a designated repair facility for
evaluation and repair.
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U.S. 8-47
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