Service Manual

7-16 Z Master 597 Diesel Series Service Manual

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