Blade Tracking Adjustment - Bosch GCB10-5 Operating/Safety Instructions Manual

160992A2T7 GCB10-5.qxp_GCB10-5 10/12/16 8:09 AM Page 10

BLADE TRACKING ADJUSTMENT

Over time the blade may go "off track" - raise
too far above or drop well below the rim of the
pulley. Periodically check the blade alignment
on the pulley. If the blade is more than 1/8"
(3mm) above the rim of the pulley (Fig. 6) or
1/8" (3mm) below the rim (Fig. 7), the tracking
needs to be adjusted.
1. Use the socket wrench (included) to loosen
the lock nut.
counterclockwise to loosen the nut (Fig. 8).
2. Use a flat head screwdriver (not included)
to adjust the blade tracking screw (Fig. 9).
You can also use a coin instead of
screwdriver.
clockwise to lower the blade, and
BLADE
FIG. 6
FIG. 8
10
Adjustments
Turn the wrench
Turn the screwdriver
DRIVEN
> 1/8"
PULLEY
(3MM)
LOCK SOCKET
NUT WRENCH
counterclockwise to raise the blade. Start
with just one full turn of the tracking screw.
3. Set the speed dial to setting 1 (Fig. 1).
4. Connect plug to power source.
5. Pull the trigger and allow the blade to make
one complete turn.
6. Disconnect plug from power source.
7. Observe the height of the blade in relation
to the rim of the pulley. Repeat steps 2 and
5 until the blade is aligned.
8. Securely tighten the lock nut by turning the
socket wrench clockwise (Fig. 8).
NOTE: Only the driven pulley is adjustable
and affects the function of the whole
system.
FIG. 7 BLADE
> 1/8"
(3MM)
FIG. 9
TRACKING
SCREW
DRIVEN
PULLEY