Echo HC-235 - Manual (Page 22)

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sharpenIng blades
Level 3.
Tools required: Flat file, Screwdriver
Parts required: None
WARNING
Hedge Clipper blades are very sharp. Touching them may lead to
severe personal injury. Avoid touching blades whenever possible,
and always wear gloves to protect hands.
1. Disconnect spark plug wire.
2. Slide blades to allow file clearance using slots on bottom of blades.
Do not pry against cutting edges.
3. Follow the original shape, and file each cutting edge carefully to
avoid damage to adjacent teeth. Maintain 6 mm (.25 in.) radius at
base of each tooth.
IMPORTANT
If a power grinder is used, DO NOT allow blade to over heat.
4. Lubricate blades. See "Lubrication".
5. Connect spark plug wire.
Gear Box Assembly
Level 1.
Tools required: Grease Gun P/N 91016, Clean rag
Parts required: POWER BLENDX TM 8 oz. (P/N 91014) or Lithium
Base Grease
1. Clean all loose debris from gear box.
2. Remove plug (A) and check level of grease.
3. Add grease if necessary. DO NOT over-fill.
6 mm
(.25 in.)
Radius
45°