Under Deck Components Assembly (Toro Vacu Power/Lawn-Boy Medallion) - Toro 20330 - Low Wheel Walk Power Mower Service Manual

Under Deck Components Assembly (Toro
Vacu Power/Lawn-Boy Medallion)
1. Check to make sure that the brake plate seal is in
good condition, then stretch onto the brake plate
bushing (Fig. 173).
A
A. Seal
2. Hook the control link into the slot on the brake lever.
Place the spring and bushing onto the brake rod,
then slip the bushing and brake rod through the
hole provided in the brake lever. Finally, install the
bushing hub and fl anged head self-tapping screw
with the washer through the brake lever.
Note: Brake plate capscrew torque: 225 in-lbs.
(25.5 Nm)
Note: If the self-tapping screw strips the threads in
the housing, do not helicoil; rather, place a
hex nut in the recess provided in the top side
of the deck.
WPM Drive Systems Manual
B
Fig 173 3428-0108
B. Brake plate bushing
BBC / BOS / BCS
3. Loosely secure the brake plate, complete with brake
pad, to the brake lever and brake hub as shown in
Figure 174. Note that the bolt should go through
the brake plate fi rst. Secure with a nylon locknut
but do not tighten at this time. This will allow proper
alignment of the idler pulley later.
A. Brake plate
4. Install an idler hub into each side of the idler pulley
bearing, then slip the belt onto the idler pulley. Slip
the entire assembly between the brake plate and
brake lever. Secure the carriage bolt and nylon
locknut as shown in Figure 174.
5. Tighten the idler pulley bolt. Make sure that the idler
pulley spins freely.
Note: Idler pulley bolt torque: 100 in-lbs. (11.33 Nm)
A A
Fig 174 3428-0101
B. Bolt
B
6-17