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![]() TM 9-2320-363-20-2 
FAN BELT REPLACEMENT AND ADJUSTMENT (CONT) 
ADJUSTMENT 
1. 
USING TENSIOMETER (1), TIGHTEN ADJUSTING SCREW (2) UNTIL FAN BELT (3) TENSION IS 60-80 LBS 
(266-355 N). 
2. 
TIGHTEN FOUR SCREWS (4) TO 75-83 LB-FT (100-112 N.m). 
3. 
OPERATE ENGINE FOR ABOUT 30 MINUTES (OR 15 MILES), THEN CHECK BELT TENSION. CHECK AGAIN 
AFTER 8 HOURS (OR 250 MILES). ADJUST BELT TENSION AS NEEDED. 
NOTE 
Follow-on Maintenance: 
Install fan impeller and shroud (page 4-120). 
4-140 Change 3 
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