Product Manual

520-120 / 530-120H

FOR LEFT-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 Left-Hand Cutters with a Down Angle” section on page 24.

SETTING THE VISE ROTATE ANGLE

Loosen the vise adjustment knob (18).

Turn the vise counter-clockwise.

Position the “0” reference mark pointer (19)

on the vise by the desired vise rotate angle.

Tighten the vise adjustment knob (18).

SETTING THE HEAD TILT ANGLE

Loosen the locking knob (J) at the

back of the motor unit (A).

Rotate the entire motor unit (A) until the “0”

reference mark on the edge of the motor unit is

positioned at the desired head tilt angle (13).

Tighten the locking knob (J) at the

back of the motor unit (A).

SETTING THE SHARPENING ANGLES