Service Manual

MOWER DECK

7-77LX Lawn Tractor Service Manual

6. Line the lift arms up with the rear right and left deck

support pins. Pull the rear deck support pins outward

and install the pins into the deck lift arms (Fig. 842).

Fig 842 PICT-9773

7. Insert a 3/8”-drive ratchet wrench (set to tighten) into

the square hole found in the idler bracket at the left

side of the mower. Grasp the ratchet’s handle and

pivot it to relieve tension on the belt (Fig. 843).

Note: The left belt cover has been removed for

photo purposes.

Fig 843 PICT-9754

8. With belt tension relieved, install the belt around the

electric PTO clutch pulley (Fig. 844).

Fig 844 PICT-9755

9. Lower the lift lever to the lowest height-of-cut setting

(Fig. 845).

Fig 845 PICT-9768