Maintenance Service
Interval
Maintenance Procedure
Every 100 hours
• Inspect the cooling-system hoses.
Every 250 hours
• Check the wheel-lug nuts.
• Check and clean the air-cleaner filter elements. Replace if damaged.
• Check the whole air-intake system for leaks, damage, or loose hose clamps.
• Check the 12 V alternator-belt tension.
• 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
• Inspect the fuel lines and connections.
• Replace the fuel/water separator element.
Every 500 hours
• Replace the air-cleaner filter elements.
• Change the engine oil and engine-oil filter.
• Replace the fuel-filter element.
• Inspect the cutting unit caster-wheel assemblies.
Every 800 hours
• Drain and clean the fuel tank.
• 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).
Every 1,000 hours
• Check and adjust the intake and exhaust valve clearance.
• Calibrate the traction pedal.
• Check the rear wheel toe-in.
• Check the 24 V alternator belt and AC compressor-belt tension.
• Replace the blade-drive belts.
• If you are using the recommended hydraulic fluid, replace the hydraulic filter (sooner
if the service interval indicator is in the red zone).
Every 1,500 hours
• Clean the engine EGR cooler.
• Inspect the engine crankcase-breather system.
Every 2,000 hours
• Check and replace fuel hoses and engine-coolant hoses.
• Lap or adjust the engine intake and exhaust valves (if necessary).
• Flush the engine-cooling system and replace the fluid.
• If you are using the recommended hydraulic fluid, change the hydraulic fluid.
Every 3,000 hours
• Inspect and clean (if necessary) the engine-emission-control components and
turbocharger.
• Check and clean the fuel injectors.
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
• Drain and flush the hydraulic tank.
• Replace moving hoses.
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Summary of Contents for 31698
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