TM 55-2210-223-34
TO 45A2-2-14-22
4-8.
AIR COMPRESSOR (cont)
Table 4-1.
AIR COMPRESSOR DATA (continue d)
Oil capacity
14-3/4 quarts (13.954 liters)
Compressor cooling
Air (fan)
Intercooling
Air (fan)
Intercooling pressure
50 psi (345 kPa)
Low-pressure piston-to-cylinder clearance
Minimum 0.006 inch (0.15 mm);
Maximum 0.008 inch (0.20 mm);
Condemnable 0.0105 inch
(0.267 mm)
Low-pressure cylinder ring side clearance
Minimum 0.002 inch (0.05 mm)
Low-pressure cylinder ring gap
Minimum 0.025 inch (0.64 mm)
High-pressure piston-to-cylinder clearance
Minimum 0.004 inch (0.10 mm);
Maximum 0.006 inch (0.15 mm);
Condemnable 0.009 inch
(0.23 mm)
High-pressure cylinder ring side clearance
Minimum 0.002 inch (0.05 mm)
High-pressure cylinder ring gap
Minimum 0.015 inch (0.38 mm)
Main bearing end clearance
No adjustment
Connecting rod to crankshaft clearance
Minimum 0.0015 inch (0.038 mm)
Condemnable 0.006 inch
(0.15 mm)
Piston pin-to-connecting rod clearance
Minimum 0.003 inch (0.08 mm)
Condemnable 0.007 inch
(0.18 mm)
Oil pump bearing end clearance
Minimum 0.010 inch (0.25 mm)
Oil pump body clearance in crankcase
Minimum 0.002 inch (0.05 mm)
Condemnable 0.006 inch
(0.15 mm)
Valve lift
Maximum 0.081 inch (2.06 mm)
Minimum 0.072 inch (1.83 mm)
Valve thickness
Minimum 0.046 inch (1.17 mm)
Condemnable 0.038 inch
(0.97 mm)
4-21
