Propeller Owner's Manual
175
MAINTENANCE PRACTICES
61-00-75
Page 6-20
Rev. 1
Jun/11
(b) Maximum number of balance weights for each
location
1
For standard installations, the maximum number
of balance weights for each location is four (4).
NOTE:
For propellers with a de-ice system
using a blade clamp-mounted lead
strap restraint, a maximum of three
weights may be attached to the clamp
with the de-ice lead strap restraint.
2
For nonstandard installations, refer to Table 6-2
for balance weight information.
CAUTION 1:
BEFORE DYNAMIC BALANCE,
RECORD THE NUMBER AND
LOCATION OF ALL STATIC BALANCE
WEIGHTS.
CAUTION 2:
USE ONLY BALANCE WEIGHTS
A-48, A-48A, OR A-1419.
CAUTION 3:
DO NOT EXCEED THE MAXIMUM
NUMBER OF BALANCE WEIGHTS
FOR EACH LOCATION.
(c) Alter the number and/or location of static balance
weights as necessary to achieve dynamic balance.
(d)
If reflective tape is used for dynamic balancing,
remove the tape immediately upon completion
of
dynamic balancing.
(
e
) Record the number and location of static balance
weights, if they have been reconfigured, in the
logbook.
OBSOLETE PROPELLER MODELS. SEE COVER PAGE
WARNINGS AND SERVICE BULLETIN HC-SB-61-331