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Initial
Setup & Assembly
Figure 1. Deflector, Stone Guard, and Cover
A. Deflector C. Belt Cover
B. Spring D. Rod
A
B
C
D
Figure 3. Install New Pulley
A. Capscrew, 3/8 x 3-1/4 D. Spacer
B. Thick Washer E. Lockwasher
C. Pulley Assembly F. Hex Nut
A
B
C
D
E
F
Figure 2. Idler Pulley Bracket
A. Idler Pulley
A
STEP-BY-STEP INITIAL ASSEMBLY
Remove Deflector & Cover
1. Remove the mower deck from the tractor. Refer to
the tractor operator’s manual for instructions.
2. Remove the deflector (A, Figure 1) by removing car-
riage bolts, lockwashers, and nuts securing the
spring (B) and rod (D).
3. Remove the rod (D) and spring (B) from the deflector.
These parts will not be used. The deflector will be
reinstalled.
4. Remove the left-hand belt cover (C) by removing self
tapping screws. Discard the belt cover, retain the
screws.
Install New Idler Pulley Assembly
1. Release tension on the idler pulley spring, and slip
the deck drive belt off of the left-hand idler or arbor
pulley.
2. Remove and discard the existing idler pulley (A,
Figure 2) and hardware. Note which hole the idler
pulley was installed in deck. The new pulley should
be installed in same hole.
3. See Figure 3. Insert the 3-1/4” capscrew (A) through
the thick washer (B), pulley assembly (C), and spacer
(D). Mount this assembly to the deck using the same
hole that the original idler pulley used. Secure with a
lockwasher (E) and hex nut (F) installed under the
deck. Make sure that large diameter pulley is on bot-
tom and that the spacer is between the mower deck
and large pulley. Be sure idler pulley rotates freely.
4. Place the deck drive belt into the lower groove of the
new pulley. Turn pulley by hand and check if other
pulleys (or blades) are turning. This will ensure that
belt is still properly routed under belt covers.