Battery Box

TM5-6675-296-14

b. Turn the rheostat knob through its full

3-7. Tribrach Assembly

travel. The movement should be smooth and free

Inspect the tribrach lock lever or lock knob as ap-

of binding.

plicable, for ease of snapping in and out of lock

c. Inspect all electrical contacts for loose con-

position and for sufficient tension to lock the in-

nections and corrosion.

strument to the tribrach.

d. Inspect the hand light for broken casing,

3-8. Battery Box

defective switch, insecure or damaged plug, and

a. Inspect the battery box (fig. 3-14) for

frayed insulation.

damage, rust, and defective clamps and carrying

e. Inspect the electrical cable for insecure or

handle. Make certain the box contains all the

damaged plugs and frayed or cracked insulation.

components shown.

3-22

Index