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HOW TO OPERATE THIS MACHINE
7.4 PREPARATION FOR WATER SUPPLY (WET DRILLING)
1)
Attach a hose from tap or water tank to the Water Cock of the Drill
Motor.
2)
Ensure that the hose is not entangled in the Core-Bit. If any problem,
rotate the Swivel Ring and adjust the direction.
3)
Ensure that the hose is connected firmly.
4)
Ensure that the hose has an enough length.
US models can be connected to Gardena type female coupling.
7.5 PRECAUTION FOR DRY DRILLING
RH1531 is designed for dry drilling, too. However, do not suck up the cut powder through water hose connection.
Use optional vacuum system in which special dust collection ring is included to connect a hose to suck up the cut
powder from outside core bit tube.
7.6 PRECAUTION BEFORE OPERATION
Be sure to confirm the followings before plug in.
[1] General
1)
Ensure that the operator reads and understands this manual perfectly.
2)
Ensure that the operator wears proper protective clothing, such as helmet, safety boots, and earplugs. And
long hair must be tied up. During operation, do not wear gloves.
[2] Electrical
Safety
Precaution
1)
Check whether there is any damage at plug, cord, and power outlet, before plug in.
If there is any damage, have it repaired or replaced by a qualified electrician.
2)
Secure the outlet so as to match the nameplate voltage. If the voltage is below requirements, current is likely
to increase and it makes the Circuit Protector trip frequently.
3)
Secure an enough current (more than
20
Amps) for this machine.
4)
Extension cord must have an adequate size (more than
1.5
mm2) for this machine to prevent power loss or
overheating.
5)
Never use this machine without the Portable Residual Current Device (PRCD), or Ground Fault Circuit
Interrupter (GFCI) or Insulation Transformer. And test these devices before use.
6)
Do not use this machine under the circumstances where operator or machine may get wet.
[3] TESTING
PRCD
1)
Confirm that you never hold the variable trigger switch when you try to turn on the PRCD.
2)
Press ON (I) button on PRCD and confirm red glow light turns on.
3)
Press TEST (O) button and confirm red glow light turns off.
4)
Press ON(I) again. Then you are ready to use RH1531.
5)
If PRCD does not trip when you press TEST(O) button or if it trips frequently during operation, stop
using RH1531 and send it for repair.
CAUTION!
Do not supply water till you start drilling.
Do not re-use the water from drainage that may cause the damage of
the Drill Motor.
Do not use High Pressure Water.
Maximum water pressure is 44PSI
.
HOSE
