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DOCUMENT No.:
REVISION: 1.2
DATE: 2014/11/10
DC-MAM-001-X-C-2
Page 10
1.5.
FASTENER TORQUE VALUES AND WRENCH SIZES
1.5.1
GENERAL
Use these values unless indicated otherwise
.
AN BOLT SIZE
THREAD SIZE
STANDARD NUTS
AN310, AN315, AN364. AN365 (MS20365)
WRENCH SIZE
Nm
ft.lb
AN3
10-32
2.0 to 2.7
1.475 to 1.991
3/8 “
AN4
1/4-28
5.7 to 7.9
4.2 to 5.827
7/16 “
AN5
5/16-24
11.2 to 15.7
8.3 to 11.6
1/2 “
AN6
3/8-24
18.0 to 21.4
13.3 to 15.8
9/16 “
AN7
7/16-20
50.84 to 56.54
37.5 to 41.7
5/8 “
NOTE: Torque values in above table are for dry (not oiled) threads.
1.5.2
SPECIFIC
ITEM
TORQUE VALUE
Nm
ft.lb
Wing mounting bolts (front) (AN7).
55
40.566
Wing mounting bolts (rear) (AN5).
18
13.276
Main spar bolts (AN4).
7
5.16
Main landing gear mounting bolts (M10).
25
18.44
Propeller mounting bolts spacer to
propeller hub (M8).
20
14.751
Airmaster 332
propeller
Propeller mounting bolts spacer to engine
flange (M8).
24
17.701
Engine mounting bolts (securing engine
suspension frame to engine mount) (M10).
NOTE: Torque value for these bolts is with
oiled thread.
38
28.027
Engine mount mounting bolts (securing
engine mount to engine firewall) (AN5).
16
11.801
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