Servicing The Air Cleaner - Toro Wheel Horse 520xi Operator's Manual

Maintenance Service
Interval
200 Hours
Yearly/Storage Service
1
More often in dusty, dirty conditions
2
Initially, perform this operation after 5 hours
3
Initially, perform this operation after 50 hours
Important
Refer to your engine operator's manual for additional maintenance procedures.
If you leave the key in the ignition switch, someone could accidently start the engine and
seriously injure you or other bystanders.
Remove the key from the ignition and disconnect the wire from the spark plug before you do
any maintenance. Set the wire aside so that it does not accidentally contact the spark plug.

Servicing the Air Cleaner

Foam Element: Clean and oil after every 25 operating
hours, or yearly, whichever occurs first.
Paper Element: Replace after every 100 operating hours
or yearly, whichever occurs first.
Note: Service the air cleaner more frequently (every few
hours) if operating conditions are extremely dusty or
sandy.
Maintenance Procedure
Engine oil filter—change
Transaxle oil and oil filter—change
Power steering filter—have it cleaned by your Authorized Service Dealer
Spark plugs—change
Chipped surfaces—paint
Brakes—check
Safety System—check
Air-intake screens—clean
Rear transaxle cover—clean
Engine air precleaner—clean
Tires—check pressure
Battery—check electrolyte level
Grease fittings—grease
Power take off (PTO) belt—check tension
Engine oil—change
Engine air filter—replace
Fuel filter—replace
Engine oil filter—change
Transaxle oil and oil filter—change
Spark plugs—change
Caution
21
3
Removing the Foam and Paper Elements
1. Disengage the PTO, set the parking brake, lower the
attachment lift, stop the engine, and remove the
ignition key.
2. Open the hood.
3. Clean around the air cleaner to prevent dirt from
getting into the engine and causing damage (Fig. 24).
3