GMC DB250SMS Anleitung Seite 15

3. Raise the saw arm to its highest position
4. Using a Phillips head screwdriver loosen and remove the screw that
secures the Guard Retraction Arm (13) to the Rotating Blade Guard
(12) (Fig h)
h
5. Using a Phillips head screwdriver
remove the screw that secures the Blade Bolt Cover (14) (Fig. i)
6. Pull the rotating blade guard down then swing it up together with the
blade bolt cover. When the rotating blade guard is positioned over the
Upper Fixed Blade Guard (9) it is possible to access the blade bolt (Fig. j)
j
7. Hold the rotating blade guard up and press the Spindle Lock Button
(26) (Fig. k). Rotate the blade until the spindle locks
8. Use the 6mm hex key provided to loosen and remove the blade bolt
(Loosen in a clockwise direction
as the blade screw has a left hand
thread) (Fig. l)
9. Remove the flat washer and outer
blade washer and the blade
10. Wipe a drop of oil onto the inner
blade washer and the outer blade
washer where they contact the
blade
i
k
l
11. Fit the new blade onto the spindle
taking care that the inner blade
washer sits behind the blade
(Fig. m)
CAUTION: To ensure correct blade
rotation, always install the blade with
the blade teeth and the arrow printed
on the side of the blade pointing
down. The direction of blade rotation
is also stamped with an arrow on the
upper blade guard.
12. Replace the outer blade washer
(Fig. n)
13. Depress the spindle lock button
and replace the flat washer and
blade bolt
14. Use the 6mm hex key to tighten
the blade bolt securely (tighten in
an anti-clockwise direction)
15. Lower the blade guard, hold the
rotating lower blade guard and
blade bolt cover in position and
tighten the fixing screw (Fig. o)
o
16. Replace the guard retraction arm and secure onto the rotating blade
guard (Fig p)
17. Check that the blade guard operates correctly and covers the blade as
the saw arm is lowered
18. Connect the saw to the power supply and run the blade to make
certain that it is operating correctly
15
m
n
p
GB