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 TM 55-1905-220-14-5
3-58. ELECTRIC POWER GENERATION AND DISTRIBUTION (Cont).
ENGINE BLOCK AND CYLINDER HEAD
EXCEPTIONS TO STANDARD BOLT AND NUT TORQUE SPECIFICATIONS (Cont).
Thread
Minimum
Maximum
Application
Size
(lb ft)
(Nm)
(lb ft)
(Nm)
Idler gear hub and dummy
hub bolt ........................
1/2-13
80
108.4800
90
122.0400
**Flywheel bolts ........................
9/16-18
180
244.0800
190
257.6400
**Main bearing bolts
(assembly) ...................
5/8-11
180
244.0800
190
257.6400
**Main bearing bolts
(boring)..... ...................
5/8-11
165
223.7400
175
237.3000
**Cylinder head bolts ................
5/8-11
175
237.3000
185
250.8600
**Cylinder head nuts .................
5/8-18
175
237.3000
185
250.8600
Accessory drive pulley
nut ...............................
3/4-16
80
108.4800
100
135.6000
Crankshaft end bolt...................
1-14
290
393.2400
310
420.3600
Camshaft nut ............................
1 1/8-18
300
406.8000
325
440.7000
Blower drive gear hub nut .........
1 7/16-16
50
67.8000
60
81.3600
$ Stake nut after tightening.
# Lubricate before assembling to cylinder head.
** Lubricate at assembly with International Compound No. 2, or equivalent.
3-1039
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