Page 5-4
Rev. 1 Jun/11
Propeller Owner’s Manual
175
INSPECTION AND CHECK
61-00-75
F. Inspect de-ice boots (if installed) for damage. Refer to
De-Ice System Inspections in the Anti-Ice and De-Ice
Systems chapter of this manual, for inspection information.
G. Refer to the Periodic Inspections section in this chapter for
additional inspection information and possible corrections to
any discrepancies discovered as a result of preflight checks.
2. Operational Checks
A. Following propeller installation
and before filght
, perform
initial run-up as outlined in Operational Tests in the Testing
and Troubleshooting chapter of this manual.
B. Check the propeller speed control and operation from
reverse or low pitch to high pitch, using the procedure
specified in the Pilot Operating Handbook (POH) for the
aircraft.
(1) Perform all ground functional, feathering, and cycling
checks with a minimum propeller RPM drop required to
demonstrate function.
(2) A typical RPM drop is 300-500 RPM for feathering
propellers and 100 to 300 RPM for non-feathering
propellers.
WARNING:
ABNORMAL VIBRATION CAN BE AN
INDICATION OF A FAILING PROPELLER
BLADE OR BLADE RETENTION COMPONENT.
AN IN-FLIGHT BLADE SEPARATION MAY
RESULT IN DEATH, SERIOUS BODILY
INJURY, AND/OR SUBSTANTIAL PROPERTY
DAMAGE.
C. Check for any abnormal vibration during this run-up. If
vibration occurs, shut the engine down, determine the cause,
and correct it before further flight. Refer to the Vibration
section in the Testing and Troubleshooting chapter of this
manual.
D. Refer to Required Periodic Inspections and Maintenance
in this chapter for additional inspection information and
possible corrections to any discrepancies discovered as a
result of Pre-Flight Checks.
E. Refer to the airframe manufacturer’s manual for additional
operational checks.
OBSOLETE PROPELLER MODELS. SEE COVER PAGE
WARNINGS AND SERVICE BULLETIN HC-SB-61-331
