Alternator

dampened with cleaning solvent (fed. spec. P-D-680).

(2) Disconnect the cables (10, 12, and 13, fig.

(3) Inspect all parts for cracks, corrosion, damaged

4-24) from the batteries (14).

paint, stripped threads, and other damage. Touch up

(3) Lift the batteries (14) from the battery box

damaged paint. Replace damaged parts.

19).

(4) If necessary, service the batteries as directed in

(4) If the battery box is damaged, remove the

subparagraph a above. d. Reassembly and Installation.

cap screws (15), nuts (16), lock washers (17), and lock

Refer to figure 4-24 and install the batteries, battery box,

washers (18) that secure the battery box (19) to the

and cables in the reverse order of removal. After

chassis frame; remove the battery box.

installation, be sure that you coat battery terminals with

c. Cleaning and Inspection.

GAA lubricant to prevent corrosion.

(1) Clean the battery tops and the cable ends

with a solution of water and baking soda to neutralize

4-38. Alternator

any acid on the parts. Prevent the solution from

CAUTION

entering the batteries.

WARNING I

Disconnect the battery cable from the positive

Clean all parts in a well-ventilated area.

battery terminal before disconnecting any other

Avoid inhalation of solvent fumes and

leads from the engine components. This will

prolonged exposure of the skin to cleaning

prevent shorts which could damage the

solvent. Wash exposed skin thoroughly.

alternator, voltage regulator, or other parts.

a. Removal.

Dry cleaning solvent (fed. spec. P-D-680)

used to clean parts is potentially dangerous

(1) Loosen the adjusting screw (1, fig. 4-25) and

to personnel and property. Do not use near

push the alternator toward the engine to loosen the fan

belt. Disengage the fan belt from the alternator drive

open flame or excessive heat. Flash point of

pulley.

solvent is 100 to 138 F (38 to 59 C).

(2) Flush the metallic parts with a solution of

water and baking soda to neutralize any spilled acid.

Remove any greasy or gummy deposits with a cloth

4-41