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![]() TM 9-2320-363-20-2 
ALTERNATOR BELT REPLACEMENT AND ADJUSTMENT 
This task covers: 
a. Removal 
b. Cleaning/Inspecting 
c. Installation 
d. Adjustment 
INITIAL SETUP 
Applicable Configuration: 
Equipment Condition: 
All except M915A2 and M916A1 
Reference 
Condition Description 
Tools and Equipment: 
Tool Kit, SC 5180-90-CL-N26 
Tensiometer, Belt, Appendix B, Item 139 
REMOVAL 
1. 
HOLD NUT (1) AND LOOSEN CAPSCREW (2). 
2. 
LOOSEN CAPSCREW (3). 
3. 
BACK OFF NUT (4). 
4. 
TIGHTEN NUT (5) AND REMOVE DRIVE BELT (6). 
CLEANING/INSPECTION 
Clean and inspect all parts in accordance with Chapter 2. 
INSTALLATION 
CAUTION 
Do not pry or twist drive belt or damage to drive belt may occur. 
INSTALL DRIVE BELT (6) ON A/C COMPRESSOR PULLEY (7), ALTERNATOR PULLEY (8), AND ACCESSORY 
DRIVE PULLEY (9). 
ADJUSTMENT 
1. 
BACK OFF NUT (5). 
2. 
USING TENSIOMETER (10), TIGHTEN NUT (4) UNTIL DRIVE BELT TENSION IS 90-100 LBS (400-444 N). 
4-155.0 Change 3 
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