Maintenance
Note:
Determine the left and right sides of the machine from the normal operating position.
Note:
Download a free copy of the schematic by visiting www.Toro.com and searching for your machine from the Manuals
link on the home page.
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
Maintenance Procedure
After the first 8 hours
• Check the condition and tension of the alternator belt.
After the first 50 hours
• Change the engine oil and filter.
• Change the transmission-oil filter.
• Change the hydraulic-fluid-return filter.
• Check the engine speed (idle and full throttle).
Before each use or daily
• Check fuel level.
• Check the engine-oil level.
• Check the cooling system.
• Check the hydraulic fluid level.
• Torque the lug nuts.
• Check the tire pressure.
• Check the air cleaner blockage indicator. (Service the air cleaner earlier if the air
cleaner indicator shows red. Service it more frequently in extremely dirty or dusty
conditions.)
• Remove debris from the screen, oil coolers, and radiator (more frequently in dirty
operating conditions).
• Check the safety-interlock system.
• Check the hydraulic lines and hoses for leaks, kinked lines, loose mounting supports,
wear, loose fittings, weather deterioration, and chemical deterioration.
Every 50 hours
• Grease the bearings, bushings, and pivots (Grease them immediately after every
washing regardless of the interval listed.)
Every 100 hours
• Inspect the cooling system hoses.
• Check the condition and tension of the alternator belt.
Every 150 hours
• Change the engine oil and filter.
Every 200 hours
• Drain moisture from the fuel and hydraulic-fluid tanks.
Every 250 hours
• Check the battery condition.
• Check the condition of and clean the battery.
• Check the transmission control cable.
Every 400 hours
• Replace the fuel filter canister.
• Check the fuel lines and connections.
• Check the engine speed (idle and full throttle).
Every 500 hours
• Check the engine overheat-warning system.
• Replace the primary air filter. (More frequently in extreme dusty or dirty conditions)
• Check the electrical system.
• Change the transmission-oil filter.
• Change the hydraulic-fluid-return filter.
• Check the rear wheel alignment.
• Service the hydraulic system.
• Check the hydraulic-fluid overheat warning system.
Every 800 hours
• Drain and clean the fuel tank.
• Adjust the engine valves (refer to the engine owner’s manual).
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Summary of Contents for Groundsmaster 3400
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