Maintenance Service
Interval
Maintenance Procedure
Every 250 hours
• 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).
Every 400 hours
• 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.
Every 500 hours
• Grease the bearings in the rear axle.
• Change the engine oil and filter.
Every 800 hours
• 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.
Every 1,000 hours
• 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.
Every 2,000 hours
• If you are using the recommended hydraulic fluid, change the hydraulic fluid.
Every 6,000 hours
• Disassemble, clean, and assemble the soot filter of the DPF. or clean the soot
filter if engine faults
SPN
3720
FMI
16,
SPN
3720
FMI
0, or
SPN
3720
FMI
16 display
in the InfoCenter.
Before storage
• Drain and clean the fuel tank.
Every 2 years
• Flush the cooling system and replace the fluid.
• Drain and flush the hydraulic tank.
• Replace moving hoses.
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.
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Summary of Contents for Groundsmaster 4000
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