Section II. MAINTENANCE PROCEDURES

TM 9-2320-360-20-2

This chapter contains instructions for adjustment, replacement, and repair of electrical system components at the Unit

maintenance level. Some parts must be removed before the electrical system components can be accessed. They are

referenced to other paragraphs of this manual or TM 9-2320-360-10.

Section II. MAINTENANCE PROCEDURES

7-2. ALTERNATOR TEST/VOLTAGE REGULATOR ADJUSTMENT

This task covers:

a. Alternator Test

Follow-On Maintenance

b. Voltage Regulator Adjustment

INITIAL SETUP

Equipment Conditions

Tools and Special Tools

Battery Box Open (TM 9-2320-360-10)

Tool Kit, Genl Mech (Item 54, Appendix F)

Alternator access panel removed

Multimeter (Item 20, Appendix F)

(para 16-2).

Inner Fender Removed (left side only)

Personnel Required

(para 16-34)

Two

Engine running (TM 9-2320-360-10).

a. Alternator Test

WARNING

Remove rings, bracelets, watches,

necklaces, and any other jewelry

before working around HET Tractor.

Jewelry can catch on equipment and

cause

Injury

short

across

electrical circuit and cause severe

burns or electrical shock.

NOTE

Batteries should be at least 95%

charged. Specific gravity should be

greater than 1.270.

(1) Check

battery

specific

gravity

(para 2-12, Item 17).

(2) Connect digital multimeter to positive (+)

terminal (1) and negative (-) terminal (2) of

batteries (3). Record voltage displayed on

multimeter.

(3) If voltage is not 13.90-14.10 volts, adjust

voltage regulator(s) (para 7-2b).

Change 3 7-3