MAINTENANCE
TP-6901 3/16a Maintenance 27
5.3 PERIODIC MAINTENANCE SCHEDULE
Engine parts experience wear at different rates. Technical maintenance tasks, therefore, are required at several
different intervals throughout the life of the engine:
• Daily
• Weekly or every 10 hours of operation
• Quarterly or every 20 hours of operation
• Yearly or every 120 hours of operation
• 3 Years or every 400/500 hours of operation
• Seasonally
The chart lists the required maintenance tasks at each designated intervals throughout the life of the engine.
For example, a task performed after the first 10 hours of operation must be repeated after 20 hours, 30 hours,
and so forth.
Daily (before starting)
• Check for loose or missing fasteners. Tighten or replace as needed.
• Check the level of fuel, coolant, and oil. Refill as needed.
• Check coolant system hoses and clamps.
Weekly or every 10 hours of operation
• Check battery connections for tightness and signs of corrosion.
• Check for oil and coolant leaks.
• Check wiring and electrical connections. Repair or replace loose or damaged components.
• Start engine and listen for abnormal noises.
• Check for fuel system leaks, hissing sounds, or gas odor.
Quarterly or every 20 hours of operation
• Check battery voltage; charge or replace as needed.
• Check and clean air filter. (See equipment Operation Manual.)
• Check all fasteners for tightness.
Yearly or every 120 hours of operation
• Check the battery for cracks, damaged electrodes, and corrosion.
• Check the drive-belt tension. Adjust or replace drive belt if necessary.
• Replace engine oil and oil filter.
3 years or every 400 hours of operation
• Change air filter element(s). (See equipment Operation Manual.)
3 years or every 500 hours of operation
• Check spark plug condition and electrode gap. Adjust gap if necessary. Replace spark plug(s) if discolored or
damaged.
Seasonal Maintenance
• Check coolant concentration and replenish/replace as needed.
• Replace engine oil with a lower temperature grade in the winter (if required).
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