DETROIT DIESEL 53
S p e c i f i c a t i o n s 2.0
SPECIFICATIONS
STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
THREAD
TORQUE
THREAD
TORQUE
SIZE
(lb-ft)
SIZE
(lb-ft)
1/4-20
7-9
9/16 -12
90-100
1/4-28
8-10
9/16 -18
107-117
5/16-18
13-17
5/8 -11
137-147
5/16-24
15-19
5/8 -18
168-178
3/8-16
3/4 -10
30-35
240-250
3/8-24
3/4 -16
35-39
290-300
7/16-14
46-50
7/8 - 9
410-420
7/16-20
57-61
7/8 - 14
475-485
1/2-13
71-75
1-8
580-590
1/2-20
1 - 14
83-93
685-695
EXCEPTIONS TO STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
APPLICATION
THREAD
TORQUE
SIZE
(lb-ft)
Governor control housing to flywheel housing
5/16-18
10-12
Blower drive assembly to flywheel housing
3/8 -16
20-25
Injector clamp bolt
3/8 -16
20-25
Fuel line connector
3/8 -24
20-28
Rocker arm bracket bolt
7/16-14
50-55
Governor drive gear retaining nut (in-line engine)
5/8 -18
125-135
Injector filter caps
5/8 -24
65-75
Injector nut (needle valve)
15/16-24
75-85
SERVICE TOOLS
TOOL NAME
TOOL NO.
INJECTOR TOOLS
Injector body reamer
J 21089
Pin vise
J 22800-3
Injector bushing lnspectalite
J 21471
Injector calibrator
J 22410
Adaptor (standard body)
J 7041-61
Seat
J 22410-226
Injector comparator
J 7041
Adaptor
J 7041-61
Adaptor
J 7041-72
Adaptor
J 7041-88
SEC. 2.0 Page 13
August, 1972
