Toro Groundsmaster 4000 Operator's Manual page 56

Maintenance Service
Interval
Every 250 hours
Every 400 hours
Every 500 hours
Every 800 hours
Every 1,000 hours
Every 2,000 hours
Every 6,000 hours
Before storage
Every 2 years
CAUTION
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 switch before you do any maintenance.
Maintenance Procedure
• Clean the cab air filters; replace them if they are torn or excessively dirty.
• Clean the air-conditioning assembly (more frequently in extremely dusty or dirty
conditions).
• Check the planetary-gear-drive oil (check if you notice external leakage).
• Check for end-play in the planetary drives.
• Check the rear-axle lubricant.
• Check the rear-axle-gear-box lubricant.
• Service the air cleaner (earlier if the air cleaner indicator shows red, and more
frequently in extremely dirty or dusty conditions).
• Inspect the fuel lines and connections.
• Replace the fuel-filter canister.
• Replace the engine fuel filter.
• Grease the bearings in the rear axle.
• Change the engine oil and filter.
• Change the front planetary-gear oil or yearly, whichever comes first.
• Change the rear-axle oil.
• Check the rear wheel toe-in.
• Inspect the blade-drive belt.
• If you are not using the recommended hydraulic fluid or have ever filled the reservoir
with an alternative fluid, change the hydraulic fluid.
• If you are not using the recommended hydraulic fluid or have ever filled the reservoir
with an alternative fluid, replace the hydraulic filter (sooner if the service interval
indicator is in the red zone).
• Inspect the side cutting unit damper.
• Inspect the cutting unit caster-wheel assemblies.
• Drain and clean the fuel tank.
• If you are using the recommended hydraulic fluid, replace the hydraulic filter (sooner
if the service interval indicator is in the red zone).
• Check and adjust the valve clearance.
• If you are using the recommended hydraulic fluid, change the hydraulic fluid.
• Disassemble, clean, and assemble the soot filter of the DPF. or clean the soot
filter if engine faults
SPN
in the InfoCenter.
• Drain and clean the fuel tank.
• Flush the cooling system and replace the fluid.
• Drain and flush the hydraulic tank.
• Replace moving hoses.
3720 16, 3720
FMI SPN FMI
56
0, or 3720 16 display
SPN FMI