For Right-Hand Cutters With A Down Angle - Oregon 410-120 Original Instruction Manual

SETTING THE SHARPENING ANGLES
FOR RIGHT-HAND CUTTERS WITHOUT A DOWN ANGLE (0°)
Once you have established the type of chain to be sharpened, look up the adjustment angles
(vise, down and head tilt angles) in the "Grinding Angles Chart" on page 12 (columns A/B/C)
NOTE: if your chain has a down angle in column B on the "Grinding Angles Chart, "
please see the "For Right-Hand Cutters with a Down Angle" section on page 19
SETTING THE VISE ROTATE ANGLE
Loosen the vise adjustment knob (16)
Turn the vise clockwise
Position the reference mark pointer (17) on
the vise by the desired vise rotate angle
Tighten the vise adjustment knob (16)
18
410-120
RIGHT-HAND CUTTERS
SETTING THE HEAD TILT ANGLE
Loosen the arm locking knob (H) at
the back of the motor unit (A)
Rotate the entire motor unit (A) until the
reference mark on the edge of the arm is
positioned at the desired head tilt angle (11)
Tighten the locking knob (H) at
the back of motor unit (A)
410-120

FOR RIGHT-HAND CUTTERS WITH A DOWN ANGLE

This section describes how to adjust the grinder for those chain types that require a down angle setting
To find out which chains require this setting, consult column B in the "Grinding Angles Chart" on page 12
SETTING THE DOWN ANGLE
Find the correct angle using the "Grinding
Angles Chart" chart on page 12
Loosen the vise adjustment knob (16)
Push the vise adjustment knob (16) away from
you and up as far as it will go to rotate vise
SETTING THE SHARPENING ANGLES
RIGHT-HAND CUTTERS
SETTING THE VISE ROTATE ANGLE
Turn the vise clockwise
Position the reference mark pointer (17) on
the vise by the desired vise rotate angle
Tighten the vise adjustment knob (16)
19