Assembly; Tuckpointing Guard Assembly - Bosch TG503 Operating/Safety Instructions Manual

Disconnect the plug from the power source before making any assembly,
adjustments or changing accessories. Such preventive safety measures reduce
the risk of starting the tool accidentally.
Disconnect battery pack from tool before making any assembly, adjustments
or changing accessories. Such preventive safety measures reduce the risk of
starting the tool accidentally.

Tuckpointing Guard Assembly

(Fig. 2, Fig. 3, Fig. 4)
The type 27 grinding wheel
guard must be removed. Re-
tain Type 27 guard for future use. Always rein-
stall Type 27 wheel guard when converting back
to grinding operations.
The TG503 Tuckpointing Guard is for both GWS
threaded spindle grinders and GWX X-Lock
grinders.
To improve ergonomics of your grinder when
cutting masonry, gearbox must be rotated rela-
tive to the position of the switch as the tool
was assembled at the factory.
Rotate gearbox:
1. Unplug tool from power source.
2. Completely unscrew the four screws
between the Gear Housing 21 and Motor
Body 22 .
NOTE: Retain the Guard Release Lever 23
with the Spring 24 for reassembling gear
housing in step 4.
3. Rotate the Gear Housing 21 to the proper
orientation without removing the motor
from the housing
• For a grinder with a Slide Switch 2,
rotate the Gear Housing 21 180 degrees
in the direction indicated in Fig. 3
so the Slide Switch 2 is 90 degrees
from the spindle.
• For a grinder with a Paddle Switch 27,
rotate the Gear Housing 21 90 degrees
in the direction indicated in Fig. 4
so the Paddle Switch 27 is facing the
workpiece.
4. Screw in and tighten the three short
screws you removed
5. The screw holding the Guard Release Lever
23 is longer than the other screws. This
long screw must stay with the Guard Re-
TG503 Tuck Point Grinder Guard OSI Final 20230606.indd 13 TG503 Tuck Point Grinder Guard OSI Final 20230606.indd 13

Assembly

.
.
lease Lever 23 when re-attaching the Gear
Housing 21 for the Guard Release Lever 23
to operate properly.
6. Attach a proper dust collection guard with
foot and wheel.
Fig. 2
21
Fig. 3
180°
,
,
-13-
22
24
23
(3x)
2
180°
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