Toro Groundsmaster 4000 Operator's Manual page 52

Maintenance Service
Interval
Every 800 hours
Every 1,000 hours
Every 6,000 hours
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
• 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.
• Change the hydraulic fluid.
• Change the hydraulic filters.
• Inspect the side mower-deck damper.
• Inspect the mower deck caster-wheel assemblies.
• Drain and clean the fuel tank.
• Check and adjust the valve clearance.
• 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.
• Replace moving hoses.
3720 16, 3720
FMI SPN FMI
52
0, or 3720 16 display
SPN FMI