TM 55-2210-223-34
TO 45A2-2-14-22
4-8.
AIR COMPRESSOR (cont)
Table 4-1.
AIR COMPRESSOR DATA
Displacement
73 cfm (2.07 cu m) at 480 rpm
Displacement
92 cfm (2.61 cu m) at 600 rpm
Displacement
123 cfm (3.48 cu m) at 800 rpm
Displacement
153 cfm (4.33 cu m) at 1000 rpm
Compressor bhp (rated speed - 140 psi (965 kPa))
28.5 at 800 rpm
Compressor bhp (rated speed - 140 psi (965 kPa))
40 at 1000 rpm
Number of low pressure cylinders
1
Low-pressure cylinder bore
7.750 to 7.751 inches (196.85
to 196.88 mm)
Low-pressure piston outside diameter
7.744 to 7.743 inches (196.70
to 196.67 mm)
Number of compression rings (low-pressure piston)
2
Number of oil rings (low-pressure piston)
2
Number of high-pressure cylinders
1
High-pressure cylinder bore
4.250 to 4.251 inches (107.95
to 107.98 mm)
High-pressure piston outside diameter
4.246 to 4.245 inches (107.85
to 107.82 mm)
Number of compression rings (high-pressure piston)
2
Number of oil rings (high-pressure piston)
2
Stroke (all pistons)
5.625 inches (142.88 mm)
Number of main bearings
2
Type of main bearings
Ball
Crankshaft journal diameter
3.624 to 3.623 inches (92.05
to 92.02 mm)
Crankshaft journal lubrication
Forced
Oil pump type
Uniflow
4-20
