Echo PE-231 Operator's Manual page 23

7. When starting to edge, run the engine at full throttle, and lower the
blade gently into the ground, being careful not to hit the concrete
with the blade.
8. Don't force the blade. Move as quickly as the blade will allow.
WARNING
The complete unit, specifically the drive shaft assembly and
muffler exhaust area may become very hot during use. Avoid
contact during and immediately after operation, otherwise serious
personal injury may result.
DANGER
P E
OWER
O ' M
PERATOR S
DGER
23
ANUAL