Mooney M20M - Page 18

MOONEY
AIRCRAFT
CORPORATION
M20M
SERVICE
AND MAINTENANCE
MANUAL
AN/MS
STANDARD
BOLT,
NUTS TORQUE
TABLES
FINE-THREAD SERIES
TENSION-type
SMEAR-type TENSION-type
SMEAR
-type
BOLT/NUT
AN()
BOLTS
AN()
BOLTS
NAS()
BOLTS
NAS()
BOLTS
SIZE
AN365/AN310
AN364/AN320 AN365/AN310
AN364/AN320
8-36
12-15 7-9
10-32.
20-25 12-15
25-30
15-20
1/4-28
50-70
30-40. 80-100
50-60
5/1
6-24
100-140
60-85 120-145
70-90
3/8-24
160-190
95-110
200-250 120-150
7/16-20
450-500
270-300 520-630
300-400
1/2-20
480-690
290-410 770-950
450-550
9/1
6-18
800-1 000
480-600
1100-1300 650-800
5/8-18
1100-1300
600-780
1250-1
550 750-950
3/4-16
2300-2500.
1300-1500
2650-3200 1600-1
900
7/8-14
2500-3000.
1500-1800.
3550-4350 2100-2600
1-14
3700-5500. 2200-3300.
4500-5500 2700-3300
11/8-12
5000-7000. 8000-4200 6000-7300
3600-4400
11/4-12
9000-11
000 5400-6600
11000-13000 6600-8000
COARSE-THREAD
SERIES
8-32
12-15 7-9
10-24.
20-25
12-15
1/4-20
40-50 25-30
5/1
6-18
80-90
48-55
3/8-16
160-1 85
95-1 00
7/16-14
235-255
140-155
1/2-13
400-480
240-290
9/16-12
500-700 300-420
5/8-11
700-900
420-540
3/4-10
1150-1600
700-950
7/8-9
2200-3000.
1300-1
800
TORQUE
VALUES
(Units
are
Inch-pounds)
Figure
5 3
Reference:
Federal Aviation
Agency
Advisory
Circular No.
43.13
1(A),
p.
118
Recommended
Torque
Values for
Nut-Bolt
combination
(Units
are
inch-pounds)
1.
Be
sure
nut
and/or
bolt
threads
are
clean
and
dry(unless
Mfg.
states
otherwise).
2.
Run
bolt
down
near
contact
with washer
or
bearing
surface
and
check ’’friction
drag torque" required
to turn
bolt/nut.
3.
Add
’Yriction
drag
torque"
to
the recommended
torque
value
from
Figure
5-2.
This
value
is
considered "Final
Torque
Value".
(FRICTION
DRAG
TORQUE
REC’MD
TORQUE
FINAL
TORQUE).
CAUTION
DO NOT REUSE
LOCKNUTS
IF
THEY
CAN
BE
RUN
UP
FINGER
TIGHT.
5-20-01
4-99
10
OLDWILLWAYNE