Table 4-1. Preventive Maintenance Checks and Services (cont)

TM 5-6675-312-14

Table 4-1. Preventive Maintenance Checks and Services (cont)

INTERVAL

ITEM TO BE

ITEM

INSPECTED

PROCEDURES

NO.

WMQ

Inspect telescope level

for broken or cracked glass,

cracks and rust.

Battery box

Inspect battery box assembly

assembly

for damage, rust and de-

fective clamps and carrying

handle. Insure that

battery box assembly con-

tains the items shown in

rheostat knob through its

full travel and verify

that the movement is

smooth and free of binding.

Inspect all electrical

contacts for loose con-

nections and corrosion.

Inspect handlamp for

broken housing, de-

fective slide switch, in-

secure or damaged plug,

and frayed or cracked in-

sulation. Inspect con-

necting cable for insecure

4-5

Index