Toro LX427 Operator's Manual page 26

Changing the Upper Deck Belt
WARNING:
engage the parking brake and remove the
ignition key to prevent unintended starting
before removing the belt.
WARNING:
pinching injury. Do not place your fingers on
the idler spring or between the belt and a
pulley while removing the belt.
All belts on your tractor are subject to wear and should
be replaced if any signs of wear are present.
The V-belts found on your tractor are
IMPORTANT:
specially designed to engage and disengage safely. A
substitute (non-OEM) V-belt can be dangerous by not
disengaging completely. For a proper working machine,
use factory approved belts.
Be sure to shut the engine off,
Avoid the possibility of a
To change or replace the upper deck belt on your
tractor, proceed as follows:
1. Remove the cutting deck.
2. Remove the belt covers by removing the screws
that fasten them to the deck. See figure below.
3. Loosen, but do not remove the deck idler pulleys.
4. Remove the deck belt from around all pulleys,
including the deck idler pulleys.
5. Route the new belt as shown in the figure below
and retighten the deck idler pulleys.
6. Reinstall the belt guards removed earlier and
remount the deck to the tractor.
NOTE:
Several components must be removed and
special tools used in order to change the lower deck
belt. See your Toro dealer to have this belt replaced.
Figure 25
26