Exmark Laser Z Ultra Vac Operator's & Parts Manual page 16

14. Using the knob that was removed with the original belt cover stud and the knob included
with the completing kit (Item 40), mount the two belt cover supports (Item 39) to the plastic
belt cover (Item 10). Position the belt cover on the mower deck. The lower ends of the belt
cover supports should rest on the outside of the deck stiffeners. Mark the location of the
belt cover support holes on the deck stiffeners. Remove the belt cover. Center punch and
drill 3/8" holes.
15. Remove the belt cover supports from the belt cover and mount them to the deck using the
5/16-18 x .75 screws (Item 41) and whizlock nuts (Item 38).
16. Units with serial numbers below 260,000 will require modifications to the discharge chute
tabs per the instructions in adapter kit 103-1369. Follow the instructions included in the kit
before proceeding with the blower installation.
60 and 72 inch units only (52 inch units continue at step 21)
17. Install the belt cover mounting stud (Item 27) included in the Ultra Vac completing kit.
For 60 inch units only, install the spacer (Item 29), two 7/16 spring disk washers
(Item 30) and the plastic knob (see figure 6). The knob does not need to be tightened
against the washers at this time.
18. Install the mounting pin weldment (Item 18) to the blower assembly using the 3/8-16 x .75
bolts (Item 28) and whizlock nuts (Item 24). Maximum deck clearance will be provided if
the bolts are installed from below the mounting pin. The mount pin can be installed in two
positions. For 60 inch decks the pin should be installed as far away from the bumper end
as possible. For 72 inch decks that pin should be installed close to the bumper end (see
figure 7).
FIGURE 6
FIGURE 7
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