Ryobi RY40509 Manual Del Operador página 27

LEFT HAND
CUTTERS
WARNING:
Improper chain sharpening increases the poten-
tial of kickback, which can result in serious
personal injury.
WARNING:
Failure to replace or repair damaged chain can
cause serious injury.
NOTICE:
A dull or improperly sharpened chain can cause
excessive motor speed during cutting which
may result in severe motor damage.
MAINTENANCE
TOP PLATE FILING ANGLE
See Figure 34.
 CORRECT 30° – File holders are marked with
 LESS THAN 30° – For Cross Cutting.
 MORE THAN 30° – Feathered Edge Dulls
Fig. 32
SIDE PLATE ANGLE
See Figure 35.
 CORRECT – 80° Produced automatically if cor-
 HOOK – "Grabs" and dulls quickly. Increases
RIGHT HAND
 BACKWARD SLOPE – Needs too much feed
CUTTERS
Fig. 33
27 - English
guide marks to align file properly to produce
correct top plate angle.
Quickly.
rect diameter file is used in file holder.
potential of KICKBACK.
Results from using a file with diameter too small,
or file held too low.
pressure, causes excessive wear to bar and
chain.
Results from using a file with diameter too large,
or file held too high.
CORRECT TOP PLATE INCORRECT TOP PLATE FILING
FILING ANGLE
30°
CORRECT SIDE
PLATE FILING
ANGLE
80°
ANGLE
LESS
MORE
THAN 30°
THAN 30°
Fig. 34
INCORRECT SIDE PLATE
FILING ANGLE
HOOK
BACKWARD
SLOPE
Fig. 35