■ Be sure to check the following before using your trimmer.
Item to be checked Response
1
Trimming mechanism
• See if attachment is loose • Tighten screws and bolts
• Gaps between blades • Adjust blades (see p.14)
•
Check if edges of blades are dull
• Sharpen or replace blades
2 Throttle • Stiff and difficult to move • Repair or replace
3 Throttle wire • Too loose, too tight • Adjust (see p.11)
• Stiff and difficult to move • Repair or replace
4 Engine attachment • See if fittings are loose • Tighten fittings
5 Fuel tank • See if attachment is loose • Tighten screws and bolts
• See if fuel pipe is damaged • Replace
•
See if cap packing is damaged
• Replace
6 Muffler • See if attachment is loose • Tighten screws and bolts
■ Regular maintenance inspection
Check the trimmer for damage or problems at the intervals shown below.
Maintenance
• Always be sure to stop the engine before inspecting the trimmer for problems or
performing maintenance.
• Never alter the trimmer or take the engine apart.
• When replacing parts, always be sure to use only ZENOAH products or products which
have been certified by ZENOAH for use with the RedMax trimmer.
• Things to check before using trimmer
Interval (number of hours)
Item to be checked 20 25 50 100 Comments
Engine
Remove grit from cylinder fins √
Clean air filter element √
Clean and adjust spark plugs √ distance of 0.25"
Clean fuel tank √
Tighten cylinder bolts √
Tighten engine fittings √
Decarbonize muffler √
Main body
Lubricate gear case √
Remove grit from clutch drums √
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13
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