63Maintenance Instructions REPLACING/REPAIRINGPTO Drive Belt1. To remove the PTO drive belt:a. Remove the engine belt, as described inprevious section.b. Remove 1/4-20 x 3/4 bolt locating beltguide on gearbox pulley and rotate guide toclear belt.c. Move blade clutch (in direction of engage-ment) far enough to relax belt scrubberbrake without tightening the PTO drive belt.Roll belt off PTO drive pulley and GHSblower pulley (GHS model only).2. Install the PTO drive belt by reversing the re-moval procedure. Check scrubber brake ad-justment and brake action.PTO Drive Belt RemovalEngage ClutchPTODrive BeltRemove Bolt and Rotate Belt Guide to Clear BeltCompound PulleyBelt GuideClutch Idler PulleyBelt Scrubber Brake(Relax Brake to Remove Belt)PTO DrivePulleyPTO Belt TightenerLinkageClutchActuator AssemblyBlade ClutchLeverGHSBlowerPulley