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OPERATION
RD12 User Manual ◄ 11
TO BEGIN DRILLING
NOTE:
Do not operate the drill in the fully advanced posi-
tion for more than 5-10 seconds at one time.
1. Engage the control valve on the hydraulic power
source to the ON position.
2. To begin drilling, move the control lever on the rail
drill toward the “drill bit” symbol. The drill bit will turn
and advance simultaneously. Make sure water is
spraying from the bit.
TO STOP DRILLING
Move the control lever to the “0” mark to stop the rail
drill.
TO RETRACT THE DRILL BIT
Move the control lever to the “retract” symbol to retract
the drill bit.
Retract Symbol
Figure 2. Retract the Drill Bit
REMOVING THE DRILL BIT
1. Uncouple the water hose from the rail drill.
2. Move the hydraulic circuit control valve to the OFF
position and disconnect from the power supply.
3. From the bit end, turn the bit counter clockwise and
pull it out.
STORAGE
• Clean the tool thoroughly.
• Remove the drill bit.
• Advance the piston .250 in./6 mm.
• Drain water from the tool.
• Retract the piston
• Store in a dry area.
COLD WEATHER OPERATION
Preheat the hydraulic uid at low engine speed. When
using the normally recommended uids, uid tempera-
ture should be at or above 50 °F/10 °C before use.
Use a biodegradeable antifreeze solution such as wind-
shield antifreeze in the spray can.
Drain water from the drill when nished using.