Makita SKR300, Service Manual, Page: 19 / 41

SKR300 (version 1-12-03)
Page 18
3d. Inner module
Caution: Calibration required. Please make sure you have proper tools and qualify engineer to perform the
calibration. The SKR300 can be out of specification without calibration.
Replace Laser diode
a) Unlock 3 screws to remove laser diode from Inner
Module
b) Check the 3 o-rings under the laser diode are in
good condition
c) Place the new laser diode on top of the o-rings
d) Slightly tighten 3 screws back
e) Place the Inner Module on calibration diode base
as shown
e) Connect 3v battery to the laser diode and project
the spot to about 30 meters away
f) Slowly rotate the Inner module clockwise
g) The laser spot should drawing circle following the
rotation of Inner module
h) Tighten corresponding screw to minimize the
circle
i) Add small amount of thread lock on screws after
calibration