Echo CS-590 Manual De Instrucciones página 24

Switch off the engine before sharpening the chain.
Always wear gloves when working on chain.
The following faults will increase the risk of kickback considerably.
1) Top plate angle too large
2) File diameter too small
3) Depth gauge too large
NOTE
These angles are referred to as Oregon 73LPX saw chain.
For other branded saw chain, follow it's chain manufacturer's instruction.
 Properly filed cutters are shown below.
A: Top plate angle 25°
B: Top plate cutting angle 55°
C: Depth gauge 0.65 mm
D: Parallel
1. Left hand cutter
2. Tie strap
3. Right hand cutter
4. Depth gauge
5. Drive link
6. Rivet
Never operate a chain saw with a dull or damaged chain.
If the chain requires excessive pressure to cut or produces dust instead of wood chips then
inspect the cutters for damage.
When sharpening the chain the objective will be to maintain the same angles and profiles
throughout its life as when it was new.
Inspect the chain for damage or wear every time you refuel your chain saw.
Saw chain maintenance
WARNING
CAUTION
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