AIR SYSTEM REPAIR INSTRUCTIONS
Section I. AIR COMPRESSOR ASSEMBLY
b. Inspection and Repair.
The air compressor is water-cooled, and pressure
(1) Inspect the control valve body, bellows
lubricated by the engine cooling and lubricating system.
cap, valve adapter, plate, all pistons and
The compressor cycle is as follows: The air is drawn
seats, the air dome, oil pan sump cover,
through the air cleaner, is compressed and pumped
reservoir oiler, front and rear end plates
through the oil sump to the air dome, where the oil is
for cracks, breaks, distortion, and other
separated from the compressed air and returned to the
sump. The compressed air is then stored in the
(2) Inspect all springs visually for breaks and
reservoir. A control valve governor on the compressor
loss of tension.
regulates the pumping action of the compressor and
(3) Inspect the bearings for wear, pits, and
maintains the required air pressure.
Inspect threaded parts and
tapped hole for damaged threads.
Air Compressor Assembly Removal and
(4) Inspect for 0.001 clearance between rotor
Remove the air compressor
(5) Replace or repair worn, damage, or
b. Disassembly. Disassemble the air compressor
assembly in numerical sequence as illustrated on figure
Air Compressor Assembly Reassembly and
a. Reassembly. Reassemble the air compressor
Air Compressor Assembly Cleaning,
assembly in the reverse of numerical sequence
Inspection, and Repair
a. Cleaning. Clean all parts with an approved
b. Installation. Install the air compressor assembly
cleaning solvent and dry thoroughly.