TM 55-2210-224-12
Table 4-1. Unit Preventive Maintenance Checks and Services (continued)
W - Weekly
M - Monthly
Q - Quarterly
Interval
Item
Item to be
No.
W
M
Q
Inspected
Procedures
22
d. Check that the brush pressure springs
(cont)
will not come to within 1/8 inch (3.2 mm)
of frame before next inspection.
23
Air Compressor
a. Inspect air compressor and drive pulleys
and Drive Pulleys
for proper operation.
and Belts
b. Service air compressor in accordance
LO 55-2210-224-12.
c. Inspect pulley for cracks and breaks
and for broken sheaves.
d. Check for loose or missing mounting
hardware.
e. Inspect belts for tightness. Check that
belts are not cracked, broken, stretched,
or damaged.
24
Air Compressor
Inspect for bent, cracked, or damaged air
Air Cleaner
cleaner. Check filter element for dirt and
Intake
damage. Service filter in accordance with
LO 55-2210-224-12.
25
Compressor
Check governor for proper operation.
Governor
Air pressure shall be between 120 and
130 psi (827 and 896 kPa).
26
Engine Hood
Inspect door for wear, corrosion, broken
Door
welds, cracks, and security of mounting.
Check door lock for ease of operation and
tightness. Service in accordance with
LO 55-2210-224-12.
27
Handrail, Up-
Inspect parts for wear, corrosion, broken
rights, Steps,
welds, and loose mounting.
and Cutter Lever
28
Engine Assembly
Service engine in accordance with LO 55-
2210-224-12.
29
Exhaust Pipe
Check for plugged or burned-out exhaust pipe.
4-7
