Echo HC-331ES, Руководство оператора, Страница: 23 / 116

21
Maintenance and care
Care for cutting blades
Lubricating blades (Every 4 hours of operation)
Apply a few drops of oil the each bolt slots at the bottom of
blades.
Cleaning blades (After each use)
Remove gummy residue from blades with a 50 : 50 mixture of
kerosene (paraffin) and machine oil.
Sharpening blades (As needed)
1. Remove all nuts and bolts securing cutters to frame bar.
2. Remove cutters.
3. Hold a cutter in a vice.
4. File and reshape the cutter edges as shown.
5. If frame bar is deformed or damaged, replace with new one.
(A):6 mm radius
(B):100° (Approx.)
(C):45°
Adjusting gap between blades (As needed)
Loosen the locknuts.
Tighten the blade bolts until snug with 10 mm open end wrench.
Loosen the bolts 1/2 turn.
Hold the bolts from turning and tighten the locknuts with T-
wrench.
CAUTION
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Wear gloves to protect hands from sharp blades.
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If you experience any problems with sharpening the blade, we recommend that you take it to your ECHO DEALER.
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Failure to observe these precautions could lead to injury.
1. Bolt slots
NOTE
Use a disk grinder, endless abrasive belt, or smooth flat file.
1. Bolt
2. Locknut 3. Loosen 1/2 turn