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TM 10-3930-643-20
APPENDIX E. (cont)
b .
Table E-2.
Torque Limits for Hose Clamps.
This
t a b l e p r o v i d es
tightening torques for hose clamps used in all rubber applications
(radiator,
air cleaner, operating level boots, hydraulic system, etc.).
TORQUE PLUS OR MINUS 0.6 N.m (5 in-lb)
RADIATOR, AIR
HYDRAULIC
CLEANER, BOOTS, ETC.
SYSTEM
CLAMP
INCH
NEWTON
INCH
NEWTON
TYPE & SIZE
POUNDS
METER
POUNDS
METERS
“T” Bolt (Any Diameter)
55-60
6-7
40-50
5-6
Worm Drive--25-50 mm(1-2
in.) Open Diameter &
Under
25
3
25
3
Worm Drive--50-102 mm
(2-4 in.) Open Diameter
100
11
- - - -
- - - -
c .
Table E-3.
Torque Limits for Split Flange Connections.
T h i s t a b l e
provides tightening torques for split flange connections used in hydraulic
systems.
Split flanges and fitting shoulders should fit squarely.
I n s t a l l a ll
bolts finger tight and then torque evenly.
Do not overtorque bolts or damage
to flanges and/or bolts may occur and leakage may result.
FLANGE
SIZE (*)
13
19
25
32
38
51
64
76
89
1/2
3/4
1
1 - 1 /4
1-1/2
2
2 - 1 /2
3
3 - 1 /2
BOLT
SIZE
5/16
3
/8
3
/8
7/16
1/2
1/2
1/2
5/8
5
/8
BOLT TORQUE
IN FOOT
POUNDS
MIN.
15
22
27
35
46
55
79
138
117
MAX.
18
27
35
45
58
65
91
150
133
BOLT TORQUE
IN NEWTON
METERS
MIN.
20
30
37
48
62
75
107
187
159
MAX.
24
37
48
61
79
88
123
203
180
MAX.
WORKING
PRESSURE
kPa
34474
34474
34474
27579
20684
20684
17237
13790
3447
p si
5000
5000
5000
4000
3000
3000
2500
2000
500
(*) Inside diameter of hydraulic tube or hose fitting.
E -2
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