REPLACE COOLING FAN DRIVE BELT (M548A3) -- Continued
Loosen jam nut (1) that secures fan idler adjusting nut (2).
Turn fan idler adjusting nut (2) to loosen drive belt (3). Remove drive belt from pulleys (4).
Lift fan idler pulley bracket (5) and have helper slide drive belt (3) from under idler pulley (6).
INSPECTION-ACCEPTANCE AND REJECTION CRITERIA
Inspect drive belt for broken, cracked, or frayed condition. Replace drive belt that shows any of these defects.