Diamond Products CB744 Operator's Manual page 12

Concrete drill
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4)MOUNTING TO A DRILLING STAND (NOT INCLUDED).
Warning: Do not attempt to mount to a rig that does not have a perfectly fitting mounting system.
The motor has a standard four bolt pattern for attaching a mounting spacer. Use a mounting spacer suitable for
the stand you are using to mount your drill motor to your stand. Tighten the four bolts evenly to 12Nm.
To mount to the stand, loosen the cradle lock bolt and place the mounting spacer squarely in the cradle. Then
tighten the cradle lock bolt firmly to 17Nm.
The rig may be anchored to the work piece in one of three ways, with a mechanical anchor, with a vacuum
base, or with a jack screw. (Follow the instructions provided with the rig.)
TO INSTALL THE DRILL STAND
1.
Measure the distance from the center of the intended cut to the location of the mounting slot in the
base. Follow the concrete anchor manufacturer's instructions to install. Using an appropriate tool such
as a rotary hammer, drill a correct sized hole to fit the anchor. Then drive in the anchor to below flush.
2.
Move the base into position and screw in the anchor bolt, washer and nut, leaving it finger tight for the
moment.
3.
Using the bubble level, adjust the four leveling bolts to achieve a good level positioning, then fully
tighten the center anchor bolt. The entire rig must be mounted solidly.
WARNING: Never attempt to drill unless the stand is fixed securely beyond any doubt.
5) THE SWITCH
This machine has a rocker switch. Press the switch to the on position to turn on.
Press the switch to the off position to turn off.
Note: 115V models have a relay type switch, if there is an interruption to the
power supply, the machine will not restart
when the power returns. In this case first turn the switch to the off position
then back to the on position to restart. (230V models do not have this
feature)
6) OVERLOAD PROTECTION AND OVERHEAT PROTECTION
Overload & Load Warning Lamp:
When full load is reached and nearing overload, the load warning lamp will flash
red. If full load is exceeded, the load warning lamp will glow solid red. If overload is sustained for more than 5-10
seconds, the motor will shut down and the load warning lamp will glow solid red. In this case, the motor must
be first shut off and then restarted. When this happens, the motor will very likely be near overheating, so it is
also a good idea to run the motor at no load for a few minutes to cool it before continuing.
Overheat Thermal Protection:
If the temperature of the motor gets too high, the thermal protection will shut the motor down. When this
happens, do not immediately start drilling after restarting the motor. Always run the machine at no load for a
few minutes to return to a normal operating temperature before continuing.
12
230V models
On/Off Switch
LED Load Warning & Brush
Wear Indicator Lamp
110V models
On/Off Switch
LED Load Warning & Brush
Wear Indicator Lamp

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