Standard Torque Chart
01-20
4283094M2
NOTE: Torques are for rigid joints, or joints meeting the
following conditions:
Damage will not occur to joined members of an assembly.
It is desirable to use a higher clamping force.
Fastener threads are NOT lubricated prior to assembly.
The following conditions will require a torque value
different than stated above:
Reduced torque required; non-parallel clamping surfaces,
thick or highly compressible gaskets are used, or when a
higher torque may damage joined assemblies.
Clip nuts, weld nuts, self-tapping hardware, or any
condition that causes reduced thread engagement will
warrant a torque less than stated above.
Special torque values, stated in this manual, must be
strictly adhered to as stated in the specific operation.
NOTE: A number of special torques are used in
assembly of tractors. See list.
TORQUE CHART FOR INCH FASTENERS (ZINC COATED)
Nominal
Size
Strength Class-
SAE 2 (plain head)
Strength Class-
(SAE 5)
Strength Class-
(SAE 8)
Torque Nm (lbf ft)
Torque Nm (lbf ft)
Torque Nm (lbf ft)
Min.
Max.
Min.
Max.
Min.
Max.
1/4
6.8 (5)
8.1 (6)
10.8 (8)
15 (11)
16.2 (12)
21.7 (16)
5/16
13.5 (10)
16.2 (12)
22 (16)
30 (22)
31 (23)
42 (31)
3/8
24 (18)
28 (21)
39 (29)
53 (39)
56 (41)
75 (55)
7/16
41 (30)
46 (34)
64 (47)
85 (63)
91 (67)
121 (89)
1/2
61 (45)
70 (52)
99 (73)
131(97)
140 (103)
185 (137)
5/8
122 (90)
142 (105)
198 (146)
263 (194)
279 (206)
371 (274)
3/4
217 (160)
250 (185)
350 (258)
464 (342)
495 (365)
658 (485)
7/8
-
-
569 (420)
759 (560)
800 (590)
1071 (790)
1
-
-
847 (625)
1119 (825)
1200 (885)
1580 (1165)
1-1/8
-
-
1051 (775)
1390 (1025)
1681 (1240)
2224 (1640)
1-1/4
-
-
1491 (1100)
1966 (1450)
2386 (1760)
3159 (2330)
1-1/2
-
-
2576 (1900)
3390 (2500)
4121 (3040)
5437 (4010)
Содержание Massey Ferguson 1547
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Страница 17: ...Specifications And Capacities 01 14 4283094M2 NOTES...
Страница 21: ...Precautions for Disassembly 01 18 4283094M2 NOTES...
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