13) Gearbox - Re-Assembly - Rotax 914 F Maintenance Manual

Dimensions of
wear limit
See Wear Limits, Chapter 15).
14.4.13)
9
2
5
1
10
8
00272
Date
Page
1997 02 01
244
Check teeth w of gear set.
Inspect eccenter for fuel pump and
fuel pump plunger for wear, see
Chapter 13.1.7).
Check step collar for wear in the
area of disk spring contact surface.
Measure plastic thrust washer r
between dog gear { and drive gear
e, see dimension t in Chapter 15).
Check dog gear bush t of hardened
steel for wear.
Visually check ring halves y, renew as required.
At visible wear of disk springs
u in the contact area i they
have to be renewed. Check
dimension y of the released
disk spring, see Chapter 15).
Gearbox — Re-assembly
See Pic. 238, 239 and 240.
Heat gear cover Q with hot air gun to approx. 100° C (215° F). Insert oil seal
W 40-55-7 from the inside, using punch, part no. 876 518, and grease sealing
lips E. Add distance ring R 36/50/5,5 with rounded side towards oil seal.
3
4
11
12
Pic. 238
Main
914 F
20
new 00271
Press in ball bearing T, utilizing press-ring, part no. 877
320 and insertion punch, part no. 877 275. Fix bearing
in position, using 4 hardened washers Y 7,2/18,8/3
and hex. screws U M7x16.
NOTE: Secure screws with LOCTITE 221 and
tighten to 10 Nm (90 in.lb).
6
Place gear cover on a suitable plate I with a bore
7
for propeller shaft. Apply LOCTITE Anti-Seize to
bearing seat P 35 mm (1,4 in.) dia. and press
propeller shaft O carefully from outside into gear
cover.
ATTENTION: Do not tap!
Make absolutely sure to support the inner ring { of
the bearing with suitable tube }. It is an advan-
tage if gear cover is still warm at this stage.
Reference
14
Pic. 236
00269
17
41 ø
80 ø
20
Modification no.
11
15
16
18
18
19
Pic. 237
- 0 -