TM 5-3810-294-34
Table 1-3. Specific torque values (Continued)
Component
Torque Value
Foot-Pounds
Minimum
Maximum
Carrier bearing caps .............................................................................................
160
-
180
Carrier to axle housing .........................................................................................
320
-
360
Gear set (pinion and through shaft bearing cage ..................................................
82
-
91
OTHER:
Reversing shaft drum capscrews ..........................................................................
20
-
25
Horizontal swing shaft drum capscrews ................................................................
20
-
25
Steering wheel nut.................................................................................................
55
-
65
Carrier clutch mounting capscrews .......................................................................
35
-
40
Release lever adjustment lock nut ........................................................................
60
-
60
Table 1-4. Repair and Replacement Standards
Manufacturing Dimensions
Maximum allowable
and tolerances inches
wear or clearance
Component
From
To
maximum
CRANE ENGINE
General:
Bore - inches ..................................................
4
Stroke - inches ..............................................
5
Displacement (cubic inches) .........................
450.990
Compression ratio .........................................
6.5:1
Compression pressure (at 200 rpm) psi ........
141
Firing order 1-5-3-6-24
CRANKSHAFT:
Main journal diameter ............................................
3.2494
3.2496
Number of main bearings ......................................
7
Crankpin diameter .................................................
2.751
2.752
Bearing clearance .................................................
0.0013
0.0043
Crankshaft end play ...............................................
.006
0.015
Thrust taken by........................................... Rear
Hardening method.................................... Tocco
Bearing OD and spread..........................................
3.424
3.449
CAMSHAFT:
Camshaft journal diameter:
Front
.......................................................
2.109
2.110
Second .......................................................
2.089
2.090
Third
..............................................2.069
2.070
Fourth
.......................................................
1.4995
1.5005
Camshaft bearing clearance .................................
0.0010
0.0035
Cam lobe lift .......................................................
0.271
0.271
Camshaft end play .................................................
0.0015
0.0095
Thrust taken by Thrust flange
Timing gear blacklash ............................................
0.004
0.007
CONNECTING RODS:
Connecting rod bearing end clearance ..................
.007
0.013
Connecting rod bearing clearance .........................
0.012
0.0037
Bearing OD and spread..........................................
2.8985
2.9135
CYLINDER SLEEVES:
Inside diameter .......................................................
4.3740
4.3755
Max permissible taper in sleeve ............................
.005
Max permissible out-of-round................................
.002
Outside diameter ....................................................
4.5015
4.5020
Sleeve bore in crankcase .......................................
4.5015
4.5020
Height above crankcase ........................................
0.000
+0.006
Length
.......................................................
8-11/ 16
1/64
Flange thickness ....................................................
1/32
Material
...........................Aluminum Alloy
Recommended piston clearance:
Top of skirt ....................................................
0.004
0.0041
Bottom of skirt ...............................................
0.003
0.0031
1-6
