Mooney M20R - Page 18

MOONEY
AIRCRAFT
CORPORATION
M20R
SERVICE
AND
MAINTENANCE
MANUAL
AN/MS STANDARD
BOLT,
NUTS
TORQUE
TABLES
FINE-fHREAD
SERIES
TENSION-type SMEAR-type
TENS1ON-type
SMEAR
-type
NUT/BOLT
AN()BOLTS
AN()BOLTS
NAS()
BOLTS
NAS()
BOLTS
SIZE AN365/AN310 AN364/AN320
AN365/AN310
AN364/AN320
NUTS
NUTS
NUTS
NUTS
8-36
12-15
7-9
10-32
20-25
12-15
25-30
15-20
1/4-28.
50-70
30-40
80-1
00
50-60
5/16-24
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
9/16-18
800-1 000
480-600
1100-1300
650-800
5/8-18
1100-1300
600-780
1250-1550
750-950
3/4-16
2300-2500
1300-1500
2650-3200
1600-1900
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
9000-11000
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
160-185 95-1 00
7/16-14 235-255
140-155
1/2-13
400-480
240-290
9/16-12 500-700
300-420
518-11 700-900
420-540
314-10
1150-1600
700-959
7/8-9 2200-3000
1300-1800
TOFPQUE
VALUES
(Units
are
In$h-pounds) Figure
5-2
Reference: Federal Aviation
Agency
Advisory
Circular No.
43.13-1A,
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
"friction
drag torque"
to
the
recommended
torque
value from
Figure
5-2.
This
value is
considered "Final
Torque
Value".
(FRICTION
DRAG
TORQUE
i
REC’MD
TORQUE
FINAL
TORQUE).
CAUTION
DO
NOT
REUSE LOCKNUTS
IF THEY CAN BE RUN UP FINGER TIGHT.
5-20-01
REV.
10-98
10
Island Enterprises