Controls - Toro 20330 - Low Wheel Walk Power Mower Service Manual

5. If the bearing in the cover is being replaced, use tool
P/N 27-0490 to press it in place. This bearing only
has one seal. Install the bearing such that the seal
is visible from the top of the cover and the open side
faces the gears. Press the bearing in until it is fully
seated in the case (Fig. 019).
A
A. Tool P/N 27-0490
6. Install worm shaft in bearing.
7. Use a new gasket. Install the cover on the bottom
case and start the 4 self-tapping screws. Do not fully
tighten them.
8. Install the front and rear roll pins to align the cover
and case. Then secure the 4 self-tapping screws.
WPM Drive Systems Manual
Fig 019 3428-0159
WORM DRIVE TRANSMISSION
9. Fill the transmission with gear oil AFTER it is
installed in the mower. The top of this transmission is
not sealed. It will leak if tipped on its side (Fig. 020).
A
A. Fill/Check

Controls

There are two control cables used with this system. One
cable operates the engine kill switch and fl ywheel brake;
the other controls the transmission.
B
Fig 020 3428-0166
B. Plug
1-9