TM 5-3810-300-24&P-3
3.0
SPECIFICATIONS
Specifications, clearances and wear limits are listed
engine parts and still ensure satisfactory performance. It
below. It should be specifically noted that the clearances
should be emphasized that the figures given as "Limits"
apply only when all new parts are used at the point where
must be qualified by the judgement of personnel
the various specifications apply. This also applies to
responsible for installing new parts. These wear limits
references within the text of the manual. The column
are, in general, listed only for the parts more frequently
entitled "Limits" in this chart lists the amount of wear or
replaced in engine overhaul work.
For additional
increase in clearance which can be tolerated in used
information, refer to the text.
TABLE OF SPECIFICATIONS, NEW CLEARANCES AND WEAR LIMITS
These limits also apply to oversize and undersize parts.
ENGINE PARTS (Standard Size, New)
MINIMUM
MAXIMUM
LIMITS
Blower (71)
Backlash (timing gears) ...........................................................
.0005"
.0025"
.0040"
Backlash (reduction gears) ......................................................
.0020"
.0060"
.0080"
Oil seal or seal collar (below end plate surface) ......................
.0020"
.0080"
Dowel pin (projection beyond inside face
of end plates).....................................................................
.3800"
STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
THREAD
TORQUE
THREAD
TORQUE
SIZE
(Ib-ft)
Nm
SIZE
(Ib-ft)
Nm
1/4 -20..............................
7-9
10-12
9/16-12..................................
90-100
122-136
1/4 -28..............................
8-10
11-14
9/16-18..................................
107-117
146-159
5/16-18..............................
13-17
18-23
5/8 -11..................................
137-147
186-200
5/16-24..............................
15-19
20-26
5/8 -18..................................
168-178
228-242
3/8 -16..............................
30-35
41-47
3/4 -10..................................
240-250
325-339
3/8 -24..............................
35-39
47-53
3/4 -16..................................
290-300
393-407
7/16-14..............................
46-50
62-68
7/8 - 9..................................
410-420
556-569
7/16-20..............................
57-61
77-83
7/8 -14..................................
475-485
644-657
1/2 -13..............................
71-75
96-102
1 - 8..................................
580-590
786-800
1/2 -20..............................
83-93
113-126
1 -14..................................
685-695
928-942
EXCEPTIONS TO STANDARD BOLT AND NUT TORQUE SPECIFICATIONS
APPLICATION
THREAD
TORQUE
SIZE
(Ib-ft)
Blower lower front bearing retaining bolt (Allen head)
5/16-24
18
Blower drive plate-to-drive hub bolt
5/16-24
25-30
Blower drive hub-to-blower rotor gear bolt
5/16-24
25-30
Air inlet housing-to-blower housing bolt
3/8 -16
16-20
Blower housing-to-cylinder block bolt (C.I. block)
7/16-14
55-60
Blower rotor timing gear bolt
7/16-20
55-65
Blower rotor timing gear bolt
1/2 -20
55-65
Fuel pump drive disc bolt
1/2 -20
55-65
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