Ryobi RY43006 Manuel d'utilisateur Page 25

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25
TOP PLATE FILING ANGLE
See Figure 36.
n CORRECT 30° - File holders are marked with guide marks
to align file properly to produce correct top plate angle.
n LESS THAN 30° - For Cross Cutting.
n MORE THAN 30° - Feathered Edge Dulls Quickly.
SIDE PLATE ANGLE
See Figure 37.
n CORRECT - 80
o
Produced automatically if correct diam-
eter file is used in file holder.
n HOOK - “Grabs” and dulls quickly. Increases potential
of KICKBACK.
Results from using a file with diameter too small, or file
held too low.
n BACKWARD SLOPE - Needs too much feed pressure,
causes excessive wear to bar and chain.
Results from using a file with diameter too large, or file
held too high.
DEPTH GAUGE CLEARANCE
See Figure 38.
n The depth gauge should be maintained at a clearance of
.025 in. Use a depth gauge tool for checking the depth
gauge clearances.
n Every time the chain is filed, check the depth gauge clear-
ance.
INCORRECT TOP PLATE FILING
ANGLE
MORE
THAN 30°
LESS
THAN 30°
Fig. 36
30°
CORRECT TOP PLATE
FILING ANGLE
INCORRECT SIDE PLATE
FILING ANGLE
BACKWARD
SLOPE
HOOK
Fig. 37
80°
CORRECT SIDE
PLATE FILING
ANGLE
WARNING:
Failure to replace or repair damaged chain can cause
serious injury.
WARNING:
The saw chain is very sharp, always wear protective gloves
when performing maintenance to the chain failure to do
so may result in serious personal injury.
RAKER CLEARANCE
.025 in. (0.6 mm)
Fig. 38
MAINTENANCE
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