Service Manual

7-16 Z Master 597 Diesel Series Service Manual
7
MOWER DECKS
17. Install the RH drive belt around the xed idler
sheave. Insert a 3/8” drive ratchet with 6” extension
into the 3/8” square hole in the idler arm. Pull toward
the back of the machine to overcome the idler spring
tension. Slip the RH drive belt over idler pulley and
slowly release the idler arm (Fig. 442).
Note: Be sure the belt orientation is correct per Fig.
443.
Fig 442 DSC-2648
Fig 445 DSC-2651
21. Pull back to relieve idler spring tension. Install the
mower drive belt on the spring loaded idler pulley
and the outer sheave of PTO pulley. Release the
idler arm slowly (Fig. 445).
Fig 444 DSC-2650
18. Install the LH drive belt over the electric PTO clutch
and around the outer drive pulley.
19. Install the LH drive belt around the xed idler pulley
only.
20. On the left, insert a 3/8” drive ratchet with a 12”
extension into the square hole in the idler bracket
(Fig. 444).
Fig 443 g. 74 m-7404
1. Belt drive 4. Adjustable idler pulley
2. Clutch 5. Three stacked pulleys
3. Spring loader idler 6. Mower belt
pulley