Ferris FAST-Vac Operator's Manual page 15

Install the Double Spindle Pulley
1. Install the double spindle pulley (C, Figure 16)
and 1/4" key (D) onto the spindle shaft.
2. Install the 3/4" spring washer (B) with the cone
facing up (see insert, Figure 16). Install the 3/4-
16 hex nut (A) and torque to 85-90 ft. lbs (115-122
Nm). Use a 1" wrench on the flats of the blade
end of the spindle shaft to prevent the shaft from
spinning.
Re-install the Mower Deck Spindle Belt
1. Refer to Figure 17 for proper spindle belt (A,
Figure 17) alignment. Make sure the belt is
installed correctly on all pulleys except for the rear
stationary idler pulley (B).
The V-side of the belt should run in the pulley
grooves of the spindle pulleys (C) and the PTO
clutch pulley of the unit. The flat side of the belt
should contact the face of the stationary idler
pulley (D) and the adjustable idler pulley (E).
2. Using a 1/2" breaker bar, place the square end in
the opening located in the idler arm (F).
3. Carefully rotate the idler arm either clockwise or
counter-clockwise so that it lengthens the idler
spring (G).
4. Install the spindle belt on the rear stationary idler
pulley (B) so that the flat side of the belt contacts
the pulley groove.
A
B
C
D
Figure 16. Install Double Spindle Pulley
A. 3/4-16 Hex Nut
B. 3/4" Spring Washer
C. Double Spindle Pulley
D. 1/4" Key
F
B
C
A
B
C
D
Figure 17. Re-Installing the Spindle Belt
A. Spindle Belt
B. Rear Stationary Idler Pulley
C. Spindle Pulleys
D. Stationary Idler Pulley
E. Adjustable Idler Pulley
F. Idler Arm
G. Idler Spring
Installation
E
C
D
G
C
E
C
F
A
G
C
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