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
10
Emergency shut-
Test switch to make sure it works
down Switch
properly.
11
Fuel Systems
Inspect fuel lines for breaks, cracks, or
Lines and
other damage. Check lines, hoses, and
Fittings
fittings for tightness. Check for leakage.
12
Storage
a. Test batteries in accordance with para-
Batteries and
graph 4-30. Check that batteries are
Battery Com-
charged and electrolyte level is
partment
correct. Check cables for corrosion,
breaks, frays, and damage. Make
sure terminals are secure. Lubricate in
accordance with LO 55-2210-224-12.
b. Clean and paint battery compartment as
required.
13
Sand Control-
a. Inspect sand controllers for broken
lers, Sander
welds and cracks. Make sure valves
Control Valves,
are mounted securely.
and Sandbox
b. Remove bottom plug and the quick-
disconnect flange and clean the interior.
c. Inspect sander control valves for proper
operation.
d. Clean the sander control valve by
pushing the automatic cleanout jets.
e. Inspect sandbox for cracks and breaks.
Service sandbox by removing wet sand,
cleaning box and replacing with dry sand.
14
Sander Hose and
Inspect sander hose for cracks, breaks, and
Bracket
deterioration. Inspect bracket for cracks,
breaks, and security of mounting.
15
Brake System
a. Check brake system valves and gages for
Valves, Gages,
proper operation and security of
Cutout Cocks,
mounting.
and Strainers
b. Check independent and automatic brake
valve handles.
c. Check cutout cocks for proper operation.
d. Remove and clean strainers.
4-5
