Toro 20330 - Low Wheel Walk Power Mower Service Manual page 109

4. Turn the mower on its side. Remove the blade and
the BBC cover. Brush any grass clippings out of the
area. Locate the idler arm. Remove the bolt and
locknut that retains the idler pulley. Note the pulley
is on the deck side and there is a spacer between
the pulley and idler arm (Fig. 186). With the pulley
removed, the idler arm can pivot away from the
brake drum and the belt can be removed.
5. Now reach around to the top of the housing and pull
the screw out of the lever (Fig. 187).
WPM Drive Systems Manual
Fig 186 3428-0182
Fig 187 3428-0179
BBC / BOS / BCS
Slide the lever off the shaft and the idler/brake shaft
can be pulled down and out of the housing (Fig.
188).
There are two bearings pressed into the housing that
the idler shaft rides on. If they are to be replaced,
press them out at this time (Fig. 189).
A
A. Bearings
Fig 188 3428-0192
Fig 189 3428-0185
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