Table 6-3. Recommended Bolt Torque Values
BOLT DIA. | THREADS | TORQUE | MKG |
| FREE SPINNING |
|
#4
#6
#8
#10
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
40
32
32
24
20
18
16
14
13
12
11
10
5.2
9.6
20
23
75
11
20
31
43
57
92
124
0.05
0.11
0.23
0.26
0.86
1.52
2.76
4.28
5.94
7.88
12.72
17.14
NONFREE SPINNING (LOCKNUTS ETC.)
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
20
18
16
14
13
12
11
10
82.5
145.2
22.0
34.1
47.3
62.7
101.2
136.4
0.95
1.67
3.04
4.71
6.54
8.67
13.99
18.86
Table 6-4. Wear Limits For Compressors
| FACTORY MAXIMUM | FACTORY MINIMUM | MAXIMUM WEAR | ||||
PART NAME | BEFORE REPAIR | ||||||
|
|
|
| ||||
|
|
|
|
|
| ||
| INCHES | MM | INCHES | MM | INCHES | MM | |
|
|
|
|
|
|
| |
MAIN BEARING |
|
|
|
|
|
| |
Main Bearing Diameter | 1.6268 | 41.3207 |
|
| .0020 | 0.0508 | |
Main Bearing Journal Diameter |
|
| 1.6233 | 41.2318 | .0020 | 0.0508 | |
PUMP END |
|
|
|
|
|
| |
Main Bearing Diameter | 1.3760 | 34.9504 |
|
| .0020 | 0.0508 | |
Main Bearing Journal Diameter |
|
| 1.3735 | 34.8869 | .0020 | 0.0508 | |
|
|
|
|
|
|
| |
CONNECTING ROD | 1.3768 | 34.9707 |
|
| .0020 | 0.0508 | |
Piston Pin Bearing |
|
| 0.6878 | 17.4701 | .0010 | 0.0254 | |
|
|
|
|
|
|
| |
CRANKPIN DIAMETER |
|
| 1.3735 | 34.8869 | .0025 | 0.0635 | |
Throw | 1.072 | 27.2288 | 1.070 | 27.1780 |
|
| |
THRUST WASHER (Thickness) | 0.154 | 3.9116 | 0.1520 | 03.8608 | .0250 | 0.6350 | |
|
|
|
|
|
|
| |
CYLINDERS |
|
|
|
|
|
| |
Bore | 2.0010 | 50.8254 |
|
| .0020 | 0.0508 | |
Piston (Diameter) |
|
| 1.9860 | 50.4444 | .0020 | 0.0508 | |
Piston Pin (Diameter) |
|
| 0.6873 | 17.4574 | .0010 | 0.0254 | |
Piston Ring Gap | 0.013 | 00.3302 | 0.0050 | 00.1270 | .0250 | 0.6350 | |
Piston Ring Side Clearance | 0.002 | 00.0508 | 0.0010 | 00.0254 | .0020 | 0.0508 | |
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