Toro 30506 Operator's Manual page 12

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)
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
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 20).
7. Mount the idler pulley arm to the deck with the
following parts, in this order: a pivot screw (3/8-16
inch), a thrust washer (1/2 inch), the idler arm, a thrust
washer (3/8 inch), the deck, and a locknut (3/8-16
inch) (Figure 20). (Do not tighten the flange nuts on
the threaded rod at this time. Adjust the spring tension
after the blower assembly and belt have been installed.)
9
Mounting the Blower
Parts needed for this procedure:
1 Belt
Procedure
1. Route the belt around the small deck spindle pulley.
2. Slide the blower onto the mounting bracket alignment
studs (Figure 21) while routing the belt around the
blower pulley.
Note: If the blower does not easily slide onto the
mounting brackets, loosen the alignment bolts slightly.
(Figure 20). Do not
(Figure 20).
Install the Bumper
Parts needed for this procedure:
Procedure
12
Figure 21
3. Secure the blower to the brackets with 2 knobs.
4. Adjust the spring length to 4-7/8 inches (12.4 cm) for
proper belt tension by adjusting the flange nuts on the
threaded rod.
10
1 Bumper
4 Capscrew, 5/16 x 3 inch
4 Locknut, 5/16 inch
1. Using dimensions shown in
drill a 11/32 inch diameter hole through both walls of
the right front castor arm bracket.
Figure 22, locate, mark and