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 TM 55-1905-221-14-1
(b) Table 1-4 is a listing of all of the exceptions to the bolt and nut torque specifications listed in table 1-3.
Table 1-4. Special Bolt and Nut Torque Specifications
(American Standard).
SIZE NUT
APPLICATI ON
OR BOLT
(lb. ft.)
CYLINDER BLOCK
End plate bolt
3/8
-
16
10
-
15
Hand hole cover
3/8
-
16
10
-
15
Main bearing bolt (boring)
5/8
-
11
165
-
175
Main bearing bolt (assy)
5/8
-
11
180
-
190
Main bearing nut (boring)
5/8
-
18
140
-
155
Main bearing nut (assy)
5/8
-
18
155
-
185
CYLINDER HEAD
Cam follower guide bolt
-
20
12
-
15
Injector control shaft
-
20
10
-
12
bracket bolt
Exhaust valve bridge
5/16 -
24
20
-
25
adjusting screw locknut
Injector clamp bolt
3/8
-
16
20
-
25
Injector clamp nut
3/8
-
24
20
-
25
Exhaust manifold outlet
3/8
-
24
20
-
25
flange nuts (brass)
Water manifold nut
3/8
-
24
25
-
30
Fuel pipe nut
3/8
-
24
12
-
15
Lifter bracket bolt
7/16
-
14
55
-
60
*Threaded exhaust valve
7/16
-
14
46
-
50
bridge guide (nylon insert)
Exhaust manifold nuts
7/16
-
20
30
-
35
*Fuel manifold connectors
7/16
-
20
30
-
35
Fuel manifold connector nuts
7/16
-
20
30
-
35
#Rocker shaft bolt
-
13
90
-
100
*Cylinder head bolts
5/8
-
11
175
-
185
*Cylinder head nuts
5/8
-
18
175
-
185
CRANKSHAFT
O.P. bolt in aluminum flywheel
5/16 -
18
10
-
12
housing & front cover
Crankshaft front cover
3/8
-
24
25
-
30
Connecting rod nut (lubrite)
7/16
-
20
60
-
70
Connecting rod nut (castellated)
7/16
-
20
65
-
75
Crankshaft front cover
-
13
80
-
90
Main bearing bolt
5/8
-
11
180
-
190
Main bearing nut
5/8
-
18
155
-
185
Crankshaft end bolt
290
-
310
CAMSHAFT AND BALANCE SHAFT
Blower drive coupling to gear
5/16 -
24
20
-
25
hub bolt
Idler gear bearing retainer bolt
5/16 -
24
24
-
29
1-29
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