Toro 74433 Operator's Manual page 19

Removing the Collection Chute
As you are bagging, a small amount of grass clippings
normally blow out the front of the mower. An excessive
amount of clippings blowing out and no audible alarm
signalling a full bag may indicate a plugged chute.
The collection chute can be removed to be cleaned and
safely cleared of any obstructions. Use the following
procedure to remove it:
1. Make sure the collection bag is empty.
2. Park the machine on a level surface and disengage
the blade control switch.
3. Move the motion control levers to the brake
position, stop the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position. Raise the operator's seat.
4. Move to the rear of the machine and remove the
collection bag.
5. Grasp the discharge chute and remove as follows.
Important: Use caution and do not use
excessive force when removing/installing the
chute. "Forcing" the chute can damage it or
other internal components.
A. Pull the chute out from the machine
approximately 6-8 inches (15-20 cm).
B. Rotate the chute a quarter turn downward and
proceed to pull chute out further to expose the
first bend.
C. With the bend exposed rotate the chute a
quarter turn counter clockwise.
D. Pull the chute until the key is visible. Line the
key in the chute with the keyway.
E. Remove the chute.
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Figure 18