TM 5-4320-300-14
Table 4-1. Organizational Preventive Maintenance Checks and Services - Continued
W - Weekly
Q- Quarterly
M - Monthly
S- Semiannually
Interval
Item
Item
To Be
No. W M Q S
Inspected
Procedures
Check drive belt tension.
Tension is correct when belts can be deflected with forefinger
pressure 1/2 to 3/4 inch (12.7 to 19.0 mm) at the midpoint
between pulleys.
CAUTION
Do not tighten drive belts beyond recommended
tension. Premature belt failure may result. If
belts are overtightened during adjustment,
readjust belt tension immediately.
Adjust alternator assembly drive belts by loosening alternator
lower adjustment bolt. Then loosen upper adjustment bolt.
Pull alternator away from engine until belt is adjusted.
Tighten
4-9