WARNING!
In order to prevent an electric shock and short circuit be sure
to turn off power before performing work which involves touching
the interior of the product.
Be careful so as not to damage wiring. Damaged wiring can cause
an electric shock or short circuit accident.
When the trigger is pulled, if ON is not shown in the trigger
display in then test menu input test screen, the micro sw may
be malfunctioning. In that case it is necessary to replace the
micro sw.
Take off 7 tamperproof screws A and cover right.
Take off 5 tamperproof screws A and remove the cover left with
cover bracket attached to it. Pay attention to the wires attached
to the bracket so that they are not damaged.
Disconnect the connector which is connected to the grip.
Remove 6 U nuts to remove the grip.