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9
Owner’s Manual
THB-2500/THB-2510/TBL-4600/4610,TBL-505
NOTE!
If element is hard due to excessive dirt buildup, replace it.
Air filter
The air filter must be cleaned from dust and dirt in order to avoid:
• Carburetor malfunctions.
• Starting problems.
• Engine power reduction.
• Unnecessary wear on the engine parts.
• Abnormal fuel consumption.
Remove the air cleaner cover by pushing and pulling back the tab on the top. (Fig. 3-2)
Cleaning the air filter
Clean the cleaner element every day or every 8 hours of operation. More frequent cleaning is recommended under
very dusty conditions. Wash the element in liquid detergent and water. Squeeze the element to remove the dirt. Press
the element in a dry rag until it is completely dry. Saturate the element in 2-cycle oil or the equivalent. Squeeze the
element to distribute the oil completely and to remove any excess oil. Replace the element and install the cover. (Fig.
3-2B, 2C)
Fuel filter (Fig. 3-3, 3B)
Drain all fuel from fuel tank and pull fuel filter line from tank. Pull filter element out of holder assembly and rinse
element in warm water with detergent.
Rinse thoroughly until all traces of detergent are eliminated. Squeeze, do not wring, away excess water and allow
element to air dry.
