Table 1. Charging System Troubleshooting Procedures.

TM 10-3930-660-24-1

TROUBLESHOOTING PROCEDURES

0006 00

Table 1. Charging System Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Check for loose or corroded

Clean and tighten battery

Alternator Not Charging or Insufficient

battery connections.

Charging.

connections as needed (WP

2. Check for alternator belt

slippage.

a. Check belt tension and

replace belt if required

b. Check belt tensioner

operation, and replace belt

tensioner if necessary

BELT TENSIONER

DRIVE BELT TENSION:

1/2 IN. (13 mm) DEFLECTION

IN LONGEST SPAN OF BELT

409-116

3. Check for alternator pulley

Check pulley nut torque and

loose on shaft.

torque to 70-80 ft-lb (95-108

Nm) if necessary (WP 0062 00).