TM 5-4220-211-12&P
REPAIR GUIDELINES AND SPECIFICATIONS
Table A-5. CRANKSHAFT BEARING SPECIFICATIONS NEW - REBUILD STAGE 1 AND 2
Crankshaft
Governor Side
Main Bearing
Model
Grinding Measures (mm)
Int. Dia. of Bearing in Case (mm)
New
Rep. Stage 1
Rep. Stage 2
New
Rep. Stage 1
Rep. Stage 2
Undersize
Undersize
0.25mm
0.5mm
15A430
40.030
39.780
39.530
40.080
39.830
39.580
18A430
40.020
39.770
39.520
40.070
39.820
39.570
25A430
---
---
---
---
---
---
36A430/
---
---
---
---
---
---
36E435
Also
A14-A24
Undersize
Undersize
0.5
1.0
71A437
65.015
64.515
64.015
65.065
64.565
64.065
64.985
64.485
63.985
65.055
64.555
64.055
Undersize
Undersize
0.5
0.1
95A437
80.015
79.515
79.015
80.065
79.565
79.065
79.985
79.485
78.955
80.055
79.555
79.055
Please proceed with the next rebuild stage when:
the bearing pin is 0.06mm and more out of round
the bearing clearance is 0.08mm and more with 15A430, 18A430
the bearing clearance is 0.10mm and more with 71A437, 95A437
Table A-6. FUEL INJECTION TIMING - MILLIMETERS BTDC (2 mm)
Model
mm
Governor Maximum R.P.M.
#
Flywheel Dia.
1500
1800
2000
2500
2800
3000
3300
3600
15A430
258
-
18
18
21
21
21
27
27
18A430
25A430
310
15
20
25
30
35
40
-
-
36A430
310
10
15
22
30
33
37
-
-
36E435
310
10
14
20
25
27
30
-
-
71A437
306
21
21
23
27
-
-
-
-
95A437
352
25
29
31
38
-
-
-
-
A-34