
Maintenance Service
Interval
Maintenance Procedure
Every 400 hours
• Grease the deck-idler pivots.
• Grease the caster pivots (more often in dirty or dusty conditions).
• Service the air cleaner (More frequently in extremely dusty or dirty conditions).
• Change the engine oil and filter if using Toro Premium Engine Oil (API classification
CK-4 or higher) more often in dirty and dusty conditions.
• Replace the fuel-filter canister for the water separator (more often in dirty and
dusty conditions).
• Check the fuel lines and connections.
• Change the deck gearbox oil.
• Check the wheel gearbox oil.
• Change the hydraulic fluid and filter if using Mobil® 424 hydraulic fluid.
• Check the wing deck bushings.
Every 500 hours
• Check the wheel lug nuts.
• Adjust the caster-pivot bearing.
Every 800 hours
• Inspect the engine-valve clearance.
• Change the drive wheel gearbox oil.
• Change the hydraulic fluid and filter if using Toro Premium Transmission/Hydraulic
Tractor Fluid.
Every 2,000 hours
• Change the engine coolant.
Monthly
• Check the battery charge.
Yearly
• Grease the deck drive PTO.
• Repack the caster-wheel bearings (more often in dirty or dusty conditions).
• Greasing the caster-wheel hubs.
• If you operate the machine less than 200 hours, change the engine oil and filter.
Important:
Refer to your engine owner's manual for additional maintenance procedures.
CAUTION
If you leave the key in the switch, someone could accidently start the engine and seriously
injure you or other bystanders.
Shut off the engine and remove the key from the switch before you perform any maintenance.
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