Ferris SNAPPER PRO FAST-Vac 61 Operator's Manual page 17

Remove the Spindle Pulley
Identify and follow the correct procedure for your unit.
IS1000Z Series, IS2000Z, IS3000ZF & ZX Series &
S200X Series:
1. Remove the 3/4-16 hex nut & 3/4" spring washer
(A & B, Figure 19) securing the spindle pulley (C)
to the spindle shaft. Use a 1" wrench on the flats
of the blade end of the spindle shaft to prevent the
shaft from spinning. Save the 1/4" key (D).
IS3000ZL Series, IS3100Z Series, & IS4500Z
Series:
1. Measure and record the distance between the
bottom of the spindle pulley and the top of the
mower deck. This will be required when installing
the new pulley.
2. Remove the 1/4-20 x 1" bolts (E) securing the
tapered hub (F) to the spindle pulley (G) and
shaft.
3. Reinstall the bolts in the tapped holes of the
tapered hub and tighten evenly to remove the
hub from the pulley and shaft. Use a 1" wrench
on the flats of the blade end of the spindle shaft
to prevent the shaft from spinning. Save the 1/4"
key (D).
Install the Double Spindle Pulley
Identify and follow the correct procedure for your unit.
IS1000Z Series, IS2000Z, IS3000ZF & ZX Series &
S200X Series:
1. Install the double spindle pulley (C, Figure 20) 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 20). 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.
IS3000ZL Series, IS3100Z Series, & IS4500Z
Series:
1. Remove the 1/4-20 x 1" bolts (E) from the tapered
hub (F). Install the bolts through the clearance
holes in the hub and into the new double spindle
pulley (G).
2. Install the pulley, hub and 1/4" key (D) onto the
spindle shaft.
3. Hold the pulley at the height measure previously
and tighten the 1/4" bolts evenly. Torque the 1/4"
bolts to 8 ft. lbs. (10.9 Nm). Use a 1" wrench on
the flats of the blade end of the spindle shaft to
prevent the shaft from spinning.
A
B
D
C
Figure 19. Remove Spindle Pulley
A. 3/4-16 Hex Nut
B. 3/4" Spring Washer
C. Spindle Pulley
D. 1/4" Key
E. 1/4-20 x 1" Bolts
F. Tapered Hub
G. Spindle Pulley (tapered bore)
A
B
D
C
Figure 20. Install Double Spindle Pulley
A. 3/4-16 Hex Nut
B. 3/4" Spring Washer
C. Double Spindle Pulley
D. 1/4" Key
E. 1/4-20 x 1" Bolts
F. Tapered Hub
G. Double Spindle Pulley (tapered bore)
Installation
D
E
F
G
E
D
F
G
15
GB