|
| |
Back
Table 1-2. Repair and Replacement Standards | Up
TM-5-6115-545-34 Generator Set Diesel Engine Driven Tactical Skid Mtd. 30 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual | Next
Table 1-2. Repair and Replacement Standards - (Cont) |
Table 1-2. Repair and Replacement Standards - (Cont)
Components
Pistons
NOTE
Combustion chamber is in piston
Combustion chamber bore
Combustion chamber depth
Length
Diameter between top and second rim groove
Diameter at bottom of skirt measured at right
angle to piston pin
Bore for piston pin
Measurement from center of piston pin bore
to top of piston
Clearance of piston skirt with sleeve
Piston pins
Type full (floating)
Piston pin length
Diameter of pin
Fit of pin in piston at room temperature
Bore of connecting rod bushing
Piston pin to connecting rod bushing clearance
Piston rings:
Gap between ends - fitted, 1st ring
(chrome compression)
2nd and 3rd ring (compression)
4th ring (oil control)
Clearance of rings in grooves
1st ring (chrome compression)
2nd and 3rd ring (compression)
4th ring (oil control)
NOTE
Only standard Size rings
s are available
1-96
Manufacturer’s
dimensions and
tolerances in
inches
Minimum
2.998
0.592
5.824
4.225
4.246
1.5014
3.142
0.0025
3.606
1,5011
0.0001
1.5027
0.0014
0.013
0.013
0.013
0.0040
0. 0020
0.0005
Maximum
3.002
0.596
5.829
4.229
4.247
1.5016
3.146
0.0050
3.616
1.5013
0.0005 loose
1.5032
0.0021
0.027
0.024
0.024
0.0060
0.0040
0.003
Maximum
allowable
wear and
clearance
0.004
0.004
0.005
0.004
0.003
0.001
0.004
0.003
0.005
0.0002
0.0004
0.001
0.002
- - -
- - -
- - -
0.005
0.002
0.0025
|
