Section V. REPAIR AND REPLACEMENT OF AUTHORIZED PARTS

TM 55-4920-405-13&P

Section IV. OPERATIONAL CHECKOUT

instructions authorized at the Aviation Unit Mainte-

3-10. GENERAL. Refer to Chapter 2, Section II

nance level. Repair or replacement of all other

Operating Procedures for test stand checkout. Sec-

parts is to be done at Aviation Intermediate mainte-

tion V of this chapter provides repair or replacement

nance levels.

Section V. REPAIR AND REPLACEMENT OF AUTHORIZED PARTS

3-11. REMOVAL AND REPLACEMENT.

(6) Install terminal adapters (5 and 6) on the

proper battery terminals. Tighten nuts on

a. Battery. (See figure 3-4.) To remove and re-

terminal adapters until terminal adapters

place the battery, proceed as follows:

are tight and will not move.

NOTE

(7) Install cover (4) over battery and insert

ends of hook bolts (3) through holes in

If you are going to install a new battery,

activate the new battery according to the

cover.

instructions in paragraph 3-1f.

(8) Install lockwashers (2) and nuts (1) on hook

bolts (3).

(1) Remove nuts (1) and lockwashers (2) from

hook bolts (3) that hold cover (4) over bat-

tery (7).

b. Air Cleaner. (See figure 3-5.) Disassemble

(2) Loosen nuts on terminal adapters (5 and 6)

and service the air cleaner as follows:

and remove terminal adapters, positive

(1)

Remove air intake cap (4).

terminal first, from battery terminals.

(2)

Loosen thumbscrew (5) and remove oil cup

(3) Inspect and clean battery cables.

(6) from air cleaner assembly.

(4) Remove defective battery and ins tall new

(3) Discard oil in oil cup (6). Wash oil cup

battery with positive terminal in the same

position as it was with the old battery.

and air intake in approved cleaning solvent

(item 1, table 1-7). Dry thoroughly.

(5) Clean battery terminals and terminal

Fill oil cup (6) to level mark with clean oil

adapters with a stiff wire brush.

.---- --

of proper grade (table 3-5). Install oil cup

. --UTION

CA -- --

on air cleaner assembly and tighten

thumbscrew (5).

Make sure battery cable connections are

(5) Install air intake cap (4) on top of air

not reversed. Damage to the charging

cleaner assembly.

system can be caused by polarity reversal.

3-14