Toro Z Master Z597 Service Manual page 177

MOWER DECKS
7. Loosen the 4 bolts holding the rear bumper
assembly and remove from the unit (Fig. 494).
8. On the left side of the unit is the spring loaded idler
pulley for the mower drive belt. Note the square cut
hole in the idler bracket (Fig. 495).
7
Note: Rear tire removed for clarity.
7-30
Fig 494 DSC-2595
Fig 495
DSC-2650
9. Insert a 3/8" drive ratchet with a 12" long extension
into the square hole of the idler bracket. Pull back on
the idler arm to relieve tension on the belt. Remove
the mower drive belt from the spring loaded idler
pulley (Fig. 496).
Fig 496
10. On the right side of the unit is the spring loaded idler
pulley for the inner mower drive belt. Insert a 3/8"
drive ratchet with a 6" long extension into the square
hole in the idler bracket. Pull back on the idler arm
to relieve tension on the belt and slip the belt off the
idler pulley (Fig. 497).
Fig 497
Z Master 597 Diesel Series Service Manual
DSC-2651
DSC-2607