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Maintenance
Important: Before performing any maintenance procedures, first shut off the engine, wait 5 minutes to allow all
moving parts to come to a complete stop and cool, and disconnect the spark-plug wire.
Recommended Maintenance Schedule(s)
Maintenance Service
Interval
After the first 25 hours
Before each use or daily
After each use
Every 40 hours
Every 50 hours
Every 100 hours
Every 300 hours
Every 800 hours
Monthly
Yearly or before storage
Every 2 years
Important: Refer to your engine operator's manual for additional maintenance procedures.
Maintenance Procedure
• Change the engine oil.
• Check the gear-case clutch (Model 68024C only).
• Inspect the belts and adjust as necessary.
• Inspect the tires and wheels.
• Check the engine-oil level.
• Inspect the air-cleaner elements.
• Check the clutch operation (Model 68024C only).
• Torque the lug nuts to 108 to 122 N∙m (80 to 90 ft-lb) after towing.
• Clean the drum between mixing batches of material.
• Lubricate the trunnions.
• Clean the machine.
• Check the gear-case oil (Model 68024C only).
• Inspect the belts and adjust as necessary.
• Check the clutch operation (Models 68014C, 68017C, and 68021C only).
• Clean the air-cleaner elements. Clean them more frequently in dusty operating
conditions.
• Change the engine oil.
• Check the spark plug.
• Clean the spark arrester.
• Clean the sediment cup.
• Replace the paper air-cleaner element. Replace it more frequently in dusty
operating conditions.
• Replace the spark plug.
• Replace the gear-case oil (Model 68024C only).
• Lubricate the pillow-block bearings.
• Clean the fuel-sediment cup.
• Replace the belts.
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