Toro Wheel Horse 523Dxi Operator's Manual page 33

POTENTIAL HAZARD
If you leave the key in the ignition switch, someone could start the engine.
WHAT CAN HAPPEN
Accidental starting of the engine could seriously injure you or other bystanders.
HOW TO AVOID THE HAZARD
Set the parking brake and remove the key from the ignition switch before you do any
maintenance.
Air Cleaner
Service Interval/Specification
Clean the air filter cartridge after every 25 operating
hours. Service it more often (every few hours) if
operating conditions are extremely dusty or sandy.
Replace the cartridge after every 100 operating
hours, or yearly.
Removing the Air Cleaner Cartridge
1. Disengage the power take off (PTO), set the
parking brake, lower the attachment lift, and turn
the ignition key to "STOP" to stop the engine.
Remove the ignition key.
2. Open the hood.
3. Unlock the clamps and remove the cover.
4. Remove the cartridge from the air cleaner body.
Figure 27
1. Air cleaner body
2. Cartridge
Cleaning the Air Filter Cartridge
Clean the cartridge by tapping gently on its end with
the handle of a screwdriver. Replace the cartridge if
it is very dirty or damaged.
Installing the Air Filter Cartridge
1. Install the cartridge in the body.
2. Install the cover and lock the clamps.
Maintenance
3. Cover
4. Clamps
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