11) Propeller Shaft Disassembly - Rotax 912 Series Maintenance Manual

14.4.11) Propeller shaft disassembly

8
9
00263
10
6
7
3
fig. 147
Effectivity: 912 Series
AIRCRAFT ENGINES
MAINTENANCE MANUAL II
See fig. 147 and 148.
1
2
R
T
Heat gear cover to 80 ÷ 100°
C (180 ÷ 210° F) and remove
ball bearing { together with
oil seal w and radius shim e
with suitable punch from out-
side towards inside.
CAUTION: At this procedure the oil seal
w and the ball bearing { is
damaged and must be re-
newed.
NOTE: Commencing with model 1995
onwards size of oil seal w
was changed from 40x52x7
into 40x55x7 and hex. hd.
screws } from M6 to M7.
Place gear cover on a suitable fixture and
press propeller shaft off with a hand press. To
press off the propeller shaft, alternatively the
extractor Q, part no. 877 615 can be used.
Screw extractor with 6 x M6 screws W onto
gear cover E and place protection piece R,
part no. 877 605 ( for engine version configu-
ration 2) or T, part no. 877 600 (for versions
configuration 3 and 4) onto the end Y of
propeller shaft U.
Insert spindle I into the support O of the
extractor Q and screw hex. nut P M24x1,5
from inside onto the spindle I. By turning the
spindle clockwise, the propeller shaft is
pressed off the gear cover.
The protection piece R or T
CAUTION:
must be used without fail as
the machined internal diam-
eter of propeller shaft will be
damaged. If the propeller
shaft will be removed the ball
bearing should be renewed.
For removal of ball bearing { unscrew the 4
hex. screws } M7x16 with washers q from
gear cover E.
15
14
13
12
11
00264
3
fig. 148
page 96
Initial issue, Jan. 01/2002