Hartzell HC-82VF-1, Owner'S Manual

Page: 179 / 250

Page 4-1
Rev. 1 Jun/11
TESTING AND TROUBLESHOOTING
61-00-75
Propeller Owner's Manual
175
CONTENTS Page
1. Operational Tests .................................................................... 4-3
A. Initial Run-Up ..................................................................... 4-3
B. Static RPM Check .............................................................. 4-3
C . Post-Run Check ................................................................. 4- 4
2 . Propeller Ice Protection Systems ........................................... 4-4
A . Electric De-Ice System ....................................................... 4-4
B . Anti-Ice System .................................................................. 4- 4
3. Troubleshooting ..................................................................... 4-5
A. Incorrect Maximum RPM (on ground) ................................ 4-5
B. Maximum RPM is Low ....................................................... 4-5
C. Maximum RPM is High ...................................................... 4-6
D . Hunting and Surging .......................................................... 4 -7
E . Engine Speed Varies with Airspeed ................................... 4- 7
F . Loss of Propeller Control - HC-82(X,V)(F,L )-6( )( )( )
propeller models ................................................................ 4-9
G . Loss of Propeller Control - HC-8( )( )( )-1( )( ), -2( )( ),
and -3( )( ) propeller models ............................................ 4-10
H . Failure to Feather or Feathers Slowly -
HC-8( )( )( )-2( )( ) and -3( )( ) propeller models only: ...... 4-10
I. Failure to Unfeather - HC-8( )( )( )-2( )( ) and -3( )( )
propeller models only ....................................................... 4-1 1
J . Start Locks Fail to Engage on Shutdown -
HC-8( )( )( )-2( )( ) and -3( )( ) propeller models only: ...... 4-1 1
K . Vibration ........................................................................... 4-12
L . Propeller Overspeed ........................................................ 4-13
M . Propeller Underspeed ...................................................... 4-13
N . Oil or Grease Leakage ..................................................... 4-14
OBSOLETE PROPELLER MODELS. SEE COVER PAGE
WARNINGS AND SERVICE BULLETIN HC-SB-61-331