Figure 4-4. Table of Periodic Inspection and Maintenance (Sheet 2 of 6)

TM 55-4920-424-13&P

Item

Interval

Method

Inspection and Maintenance

Tires

30 Days

Visual

a. Check for cuts, cracks,

excessive or abnormal

wear on any surface.

b. Check for proper air

pressure (40 to 45 psig).

Control Console

60 Days

Visual

a. Check connectors for dirt

and Instrument

and corrosion.

Panel

b. Check harnesses and cable

for security of attachment

and chafing.

c. Check all external relay

connections for security

(power off).

d. Check ground connections

for security.

e. Check all insulation for

chafing and wear.

Check mounting bolts and

lugs for security of attach-

ment.

g. Check circuit breakers for

operation.

h. Check warning lights for

defective lamps.

Harnesses, Cables,

60 Days

Visual and

a. Check continuity of all

Wire Assemblies,

Operational

harnesses, cables, and

and Terminal

wire assemblies.

Blocks

b. Check all connectors for

bent pins.

c. Check wire insulation for

chafing and wear.

Figure 4-4. Table of Periodic Inspection and Maintenance (Sheet 2 of 6)

4-4