STEMME S10-VT, Руководство по обслуживанию

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Maintenance Manual STEMME S10-VT
Date of Issue: Jan. 01, 1998 Page 6-13
Amendment Nr. 14 Date: Nov. 30. 2007
A4011121_B23.doc
Doc. No. A40-11-121
6.8 Tightening Torques of Screwed Joints:
The tightening torques listed below applies to hexagon nuts, hexagon bolts and hexagon socket screws of
quality class 8.8 or higher:
THREAD TIGHTENING TORQUE
Non-self-locking connection
Self-locking connection
[Nm] [lbf ft] [Nm] [lbf ft]
M4 1.8
+10%
1.33
+10%
2.7
-10%
2.0
-10%
M5 3.6
+10%
2.65
+10%
5.2
-10%
3.8
-10%
M6 6.4
+10%
4.72
+10%
9.4
-10%
6.9
-10%
M8 16
+10%
11.8
+10%
22
-10%
16
-10%
M10 32
+10%
23.6
+10%
42
-10%
31
-10%
M12 57
+10%
42.0
+10%
72
-10%
53
-10%
M14 92
+10%
67.8
+10%
115
-10%
85
-10%
The above tightening torques are reduced by 25% if LOCTITE or lubricated bolted joints are used.
Caution:
Take due note of the differing data for the respective assembly units (see Chapter 7)
Non-standard tightening torques include the following (for example):
Item Designation Loctite
Tightening torque
[Nm] [Lbf ft]
1. M8 connecting clutch and propeller flange of the engine without 22 16
2. M10 connecting clutch and flexible disk (drive shaft) 243 35 25.8
3. M10 connecting flexible disk and forked sleeve of the drive
shaft 243 35 25.8
4. M10 connecting drive shaft and flexible disk (front gear) 243 35 25.8
5. M10 connecting flexible disk and front gear 243 35 25.8
6. M8 connecting front gear in the gear suspension 221 16 11.8
7. M8 fastening screws of the propeller hub on the front gear
flange without 1st step: 10
2nd step: 30
1st step: 7.4
2nd step: 22.1
8. M8 locking nut on the propeller fork
Warning:
- not included in normal maintenance
without 20 14.7
9. Yield bolt fastening the fork on the propeller hub
Warning:
- screw thread lubricated.
- not included in normal maintenance
without 1st step: 50
2nd step: 16
1st step: 36.9
2nd step: 11.8
10. Magnetic screw in the front gear without 15 - 20 11.1
–
14.7
Caution:
The screw locking Loctite 638 is substituted by Loctite 243!
Engine:
For tightening torques of screw connections on the engine refer to "Maintenance Manual (Line Maintenance)
for ROTAX Engine Type 91
4 Series” (Annex E) and "Maintenance Manual (Heavy Maintenance) for ROTAX
Engine Types ROTAX 912 and 914 Series”.