TM 5-4310-371-14
WARNING
Release pressure from air receiver and compressor pump before inspection,
performing procedures, or disassembly of equipment to avoid personal injury.
a. Remove belt guard front and V belts as described in paragraph 4-4.
b. Remove flywheel and flywheel key by removing flywheel bolt and nut. Then pull off flywheel and flywheel key
from compressor pump shaft (figure 4-6).
c. Disconnect exhaust tube from aftercooler manifold as shown in figure 4-7.
d. Remove compressor pump mounting nuts, lockwashers and bolts (4) as shown in figure 4-6.
e. Lift compressor pump off air receiver mounting bracket.
f. Install compressor pump on to air receiver mounting bracket so that compressor pump and air receiver mounting
bracket holes are aligned.
g. Install compressor pump mounting bolts, lockwashers and nuts (4). (Figure 4-6)
h. Reconnect exhaust tube to aftercooler manifold (figure 4-7).
j. Install flywheel and flywheel key by pushing them back on to compressor pump shaft and installing flywheel bolt
and nut. Be sure that flywheel is aligned with motor pulley to prevent excessive V belt wear or V belt breakage.
k. Install V belts and then belt guard front as described in paragr aph 4-4.
4-10. REMOVAL AND REPLACEMENT OF PRESSURE GAGE.
WARNING
Disconnect compressor unit from main power supply before servicing, replacing
or repairing parts of equipment, to avoid personal injury.
WARNING
Release pressure from air receiver and compressor pump before inspection,
performing procedures, or disassembly of equipment to avoid personal injury.
a. To test suspect pressure gage, remove by turning pressure gage counter clockwise as shown in figure 4-8.
b. Perform a comparison test with known good gage.
c. To install serviceable pressure gage, apply thread tape or thread compound to threads and turn pressure gage
clockwise into side of mounting tee located next to pressure switch until tight.
4-13
