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1. 5/8-18 inch sheave nut-torque to 90-110 ft-lb (122-149 N-m)
2. UltraVac drive sheave
3. Special tool 109-2979
E.
Reinstall blade and torque blade bolt to:
50-60 ft-lb (75-81 N-m).
F.
Reinstall the deck drive belt in the lower groove
of the double sheave. Install plug into bore of
top sheave.
Installing the Blower Assembly
1.
For Small Decks:
A.
Slip the belt over the impeller sheave on the
blower.
Note: It may be easier to install the belt if the
belt guide is temporarily shifted to one side or
temporarily removed. Either loosen or remove
both nuts on the top and bottom of the belt
guide. Once the belt is installed on the impeller
sheave, reinstall the belt guide and tighten all
hardware.
Figure 18
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1. Nut
B.
Mount the blower on the deck by inserting the
mounting pin into the tube welded to the rear
corner of the deck (see Figure 20).
1. Slot
2. Front pin
3. Blower latch
C.
Pivot the blower until the front pin engages the
slot in the deck. Adjust the position of the front
pin if necessary to engage the slot. Use the latch
to lock the blower in this position. Adjust the
tension on the latch to hold the blower up to the
deck, yet allow for release by hand.
D.
Pull the spring loaded idler release handle back
and install the belt in the upper groove of the
top spindle sheave. The belt should be routed
as shown in Figure 21.
14
Figure 19
2. Belt guide
Figure 20
4. Mounting pin
5. Deck tube
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