EXCEPTIONS TO STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
APPLICATION
THREAD
SIZE
TORQUE TORQUE
(lb-ft)
(Nm)
C a m follower guide bolt ................................. 1/4 -20
12-15
16-20
Injector control shaft bracket bolt .................... 1/4 -20
10-12
14-16
Oil pan bolts ..................................................
5/16-18
10-20
14-27
Blower drive coupling to gear hub bolt ........... 5/16-24
20-25
27-34
Exhaust valve bridge adjusting screw
lock nut .............................. ............ .............. 5/16-24
20-25
27-34
Idler gear bearing retainer bolts ...................... 5/16-24
24-29
33-39
Air box cover bolt ................ . . . .........................
3/8 - 1 6
10-15
14-20
Balance weight cover bolts ................................
3/8 -16
34-41
25-30
Cam and balance shaft end bearing
bolts ....... ........................................................
3/8
-16
47-54
35-40
--
Crankshaft front cover bolts .............................
3/8
-16
--
--
--
End plate bolts ......................... ......................
3/8
-16
Engine drive shaft flexible coupling ..................
3/8
-16
34-41
25-30
..
Flywheel housing bolts ........................................
--
3/8
-16
Idler gear hub and spacer bolts .....................
3/8
-16
40-45
54-61
Injector clamp bolts ............................................
3/8
-16
20-25
27-34
Accessory drive to gear bolt (steel disc) . . . . . . . . . . . . . . . . . . .
3/8
-24
45-50
61-68
Balance weight cover bolts ...............................
3/8
-24
25-30
34-41
Balance weight to hub bolt ...............................
3/8
-24
25-30
34-41
Balance weight to timing gear bolt ..................
3/8
-24
25-30
34-41
Blower drive gear hub bearing support
3/8 -24
bolts and nuts ...............................................
25-30
34-41
Camshaft intermediate bearing lock
screw ................................................................
3 / 8 -24
15-20
20-27
Crankshaft front cover bolts .............................
3 / 8 -24
25-30
34-41
Exhaust manifold outlet flange
nuts (brass) .......................................... ..........
3/8
-24
20-25
27-34
Flywheel housing bolts .......................................
3/8
-24
25-30
34-41
Fuel pipe nuts .....................................................
3/8
-24
12-15
16-20
Injector clamp nut ............................................
3/8
-24
20-25
27-34
Water manifold nuts .................................. . . . . .
3/8
-24
25-30
34-41
Generator drive bearing retaining bolt .............
7/16-14
30-35
41-47
Generator drive oil seal retaining bolt .............
7/16-14
30-35
41-47
Lifter bracket bolt ..............................................
7/16-14
75-81
55-60
Tachometer drive cover bolt ... ..........................
7/16-14
30-35
41-47
Connecting rod nut (castellated) .......................
7/16-20
65-75
88-102
Connecting rod nut (lubrite) .............................
7/16-20
60-70
81-95
Cross-head piston pin to conn.
rod bolt ................................................... ........
7/16-20
55-60
75-81
Exhaust manifold nuts .......................................
7/16-20
41-47
30-35
Fuel manifold connectors (steel washer) ..........
7/16-20
40-45
54-61
#Fuel manifold connectors (nylon insert) .......
7/16-20
41-47
30-35
Fuel manifold connector nuts ...........................
7/16-20
41-47
30-35
11B-129