DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE:
CHAPTERPAGE 531
MAINTENANCE MANUAL STEMME S12
5.4.15 PROPELLER
Type and Subject of Inspection
Break-in
Aircraft 100 hr
Engine 100 hr
Engine 200 hr
Engine 600 hr
Annual
Refer to
Section
Sign-o
1. Visual inspection of load bear-
ing elements.
X X X
7.4.10
2. Check complete propeller as-
sembly.
X X X
7.4.10
3. Check rubber stops within
the blades and on the hub for
cracks.
X X X
7.4.10.3
4. Visual inspection of propeller
blades. Repair leading edge
protection tape if necessary
(use material supplied by
manufacturer only!).
X X X
7.4.10.3
5. Check propeller folding mech-
anism for ease of operation
and restoring force. Check
condition of the blade retrac-
tion coupling lever.
X X X
7.4.10.3
6. Check spring tension of pro-
peller folding mechanism.
X X X
7.4.10.6
7. Check propeller blade ventila-
tion and drain holes.
X X X
7.4.10.3
8. Check adjustment of propel-
ler blade T/O and cruise pitch.
Check respective setting of
both blades and check for dis-
crepancies.
X X X
7.4.10.7
9. Check function of pitch
change and time for pitch
change in each direction.
X X X
7.4.10.7
10. Check propeller blade T/O-po-
sition indication and pre-set-
ting before reaching T/O
position.
X X X
7.4.10.9
1 1. Check carbon brushes, replace
if necessary. Check for exces-
sive abrasion (copper dust),
clean slip rings with alcohol.
X X X
7.4.10.8
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