Safety Clutch - Diamond Products CB515 Operator's Manual

WET DRILLING RECOMMENDED GEARS (reinforced concrete)
BitØ
1"
Gear
Gear 2
Gear 1
Impossible /
Not recommended
4) THE SWITCH
The machine has a lockable trigger switch. Squeeze the trigger to start
the machine. To lock the switch on, press the lock button while holding
the trigger switch on. To release, squeeze the trigger and release.
WARNING: Never lock the switch on when drilling hand-held. Only
lock the switch on when mounted to a rig.
5) OVERLOAD PROTECTION, OVERHEAT PROTECTION
Overload:
If the excessive load is sustained too long, the motor will shut down completely. In this case, the motor must
be first shut off and then restarted.
Overheat Thermal Protection:
If the temperature of the motor gets too high, the thermal protection will shut the motor down. The switch
must be first shut off and then restarted.
CAUTION: The motor will be damaged if it is repeatedly overloaded or overheated. Always cool the
motor . by running at no load for a few minutes whenever it stops from either overheat or overload.

6) SAFETY CLUTCH

This machine is equipped with a mechanical clutch to protect the operator and machine from excessive torque
forces. After the clutch slips many times, it will become worn and slip at lower and lower torque levels. When
this happens, it must be serviced by an authorized service provider. The recommended torque of the clutch
nut is 21 Nm.
7) DIAMOND CORE DRILLING
1.
Press the "Reset" button on the PRCD interrupter device to energize the circuit to the machine. Then
squeeze the trigger switch to turn the machine on.
2" 2-1/2"
Possible
4-1/2"
Ideal
9
5-1/2" >5-1/2"
Lock Button
Trigger Switch