Idler Arm Assembly; Pivot Screw; Bushing; Washer - Toro 30506 Operator's Manual

8
Mounting the Idler
Assembly
Parts needed for this procedure:
1

Idler arm assembly

1

Pivot screw

1

Bushing

2

Washer

1

Locknut, 3/8 inch

1

Spring

1

Threaded rod

2

Flange nut, 5/16 inch

1

Spring bracket

2

Capscrew, 1/4 x 1 inch

2

Locknut, 1/4 inch

Procedure
1. Using the dimensions shown in
locate, mark, and drill a 13/32 inch diameter hole
in the deck. The dimensions shown are from the
right front corner of the deck and from the edge
of the discharge opening. The blower brackets
are removed for clarity.
Figure 18
1. 6-13/16 inches
2. Using the dimensions shown in
locate, mark, and drill a 13/16 inch diameter
hole and two 13/32 inch diameter holes in the
right bridge bar.
Figure 18,
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2. 9-1/8 inches
Figure 19,
1. 5 inches
2. 1-1/16 inches (2)
3. 1 inch
3. Thread a flange nut (5/16-18 inch) approximately
2 inches (5 cm) onto the threaded rod
20).
1. Idler pulley arm
2. Spring bracket
4. Insert the end of the threaded rod through the
large hole in the spring bracket and loosely
secure it with another flange nut (5/16-18 inch)
(Figure 20). Do not tighten the flange nuts.
5. Insert the other end of the threaded rod through
the hole in the bridge bar and secure the spring
bracket to the bridge with 2 bolts and locknuts
(Figure 20).
6. Hook the short loop of the spring into the hole in
the threaded rod and the long loop in the hole in
the idler arm (Figure
7. Mount the idler pulley arm to the deck with a
pivot screw (3/8-16 inch), a thrust washer (1/2
inch), the idler arm, a thrust washer (3/8 inch),
and a locknut (3/8-16 inch) beneath the deck
(Figure 20).
10
Figure 19
4. 13/32 inch diameter (2)
5. 13/16 inch diameter
(Figure
Figure 20
3. Threaded rod
4. Spring
20).
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