Exmark ULTRA VAC QDS Operator's Manual page 17

Figure 19
1. Blower
2. Belt cover
20. Install the knob and its hardware.
21. Slip the upper and the lower tubes together.
22. Insert the upper tube into the hopper seal –
push in then pull out so that the seal is extended
outward.
23. Align the dimple on the upper tube with the end
of hopper seal and center between the two screws
as shown in Figure 20.
Figure 20
1. Dimple
24. Set the deck in lowest cutting position.
25. Slide the lower tube onto the blower and attach
the latches. (Make sure that the upper tube does
not move out of alignment).
26. If the lower tube is replaced, drill three 7/32 inch
holes in the lower tube using the upper tube holes
as reference. See Figure 21.
27. Remove the tubes from unit and assemble the
upper and the lower tubes using three #10-24
x 3/4 inch hex washer head screws, three #10
3. Deck lip
washers, and three #10-24 nyloc nuts. The screw
head should be installed to the inside of the
tube to provide minimum obstruction to flow.
Make sure that the upper and the lower ends are
oriented properly as the tubes are assembled.
(Parting lines should roughly be lined up.)
1. Drill the holes here
28. Slide the lower end of the tube assembly over the
blower outlet and align the notch with the tube
latch. Latch the tube to the blower.
29. Install the removable weights. Hook the front toe
board weights assembly over the top of the weight
mounting plate and secure with two hairpins (see
Figure 22).
Weight Quantities
Deck 48 inch
Size
Toe 3
Board
Weight
Caster —
Weight
Note: The removable weights are heavy. Use
care when lifting them. Make sure that you can
hold them securely before lifting them. Use
caution when positioning your hands so that you
Do Not set them down on your hands or fingers.
17
Operation
Figure 21
52 inch 60 inch 72 inch
2 2 1
— 2 2