Service Manual

325/328 Excavator
83 Operation and Maintenance Manual
ENGINE ACCESSORY DRIVE BELT
Belt Tension
Open the tailgate.
Figure PM-48
Check the belt tension (Item 1) [Figure PM-48] midway
between the alternator and belt tensioner. The belt
deflection should be 13 mm.
Belt Adjustment
Figure PM-49
Loosen the belt tensioner bolt (Item 1) [Figure PM-49]
and move the tensioner away from the engine until the
belt tension is correct.
Tighten the bolt to 20-25 N•m torque.
P-49429
1
P-49430
1