MAINTENANCE
Pump belt
Check belt every 100 hours for excessive wear.
To replace belt. Relieve tension on the deck belt and remove deck belt from clutch. See “ Deck belt” section. Loosen bolt on the clutch tie down and rotate out of the way.
Using a ½" drive ratchet inserted into the square hole in the pump idler arm relieve the tension on the pump belt and remove belt.
To reinstall belt: Swing pump idler pulley toward engine to route belt around it. Then route belt around the pulley for left pump first (right hand pulley in the illustration).
Reinstall idler spring and use the ratchet to rotate idler so the belt may be installed all the way around the last pulley.
Slackening the belt tension
Belt routing, hydraulic pumps