Promaker PRO-TP550 Manual De Usuario página 5

SWITCH (Fig. 2)
This tool starts and stops by depressing and releasing the switch(2).
The speed can be adjusted from 0 through 3000 RPM by regulating the trigger-squeezing force.
For continuous operation, press the lock button(3) while switch is depressed. Depress again to release the lock.
The speed control dial(10) allows setting a limit on the desired speed.
CHANGING DIRECTION (Fig. 2)
To reverse the direction of rotation, stop the drill by releasing the trigger and push the reversing lever (4) to the
right or left.
When the reversing switch is in the position marked "F", the direction of rotation will be clockwise when viewed
from the handle end of the drill. When the reversing switch is in the position marked "R" , the direction of
rotation will be counter-clockwise.
OPERATION OF PERCUSSION GEAR (Fig. 3)
An hammer shifting knob (5) has been provided on top of the gear case.
DRILLING
Shift the hammer knob to the symbol indicating
"
IMPACT MODE
Shift the hammer knob to the symbol indicating
"
OPERATING (Fig. 4)
NEVER COVER AIR VENTS SINCE THEY MUST ALWAYS BE OPEN FOR PROPER MOTOR
COOLING.
DRILLING IN WOOD
To prevent ugly splits around the drillhole on the reverse side of the workpiece, place a scrap
piece of lumber beneath the material to be drilled.
DRILLING IN METAL
Metals such as steel brass, aluminum sheets, stainless steel, and pipe may also be drilled. Mark
the point to be drilled with a nail or a punch.
DRILLING IN CONCRETE
Rock and masonry are generally drilled in the hammer mode.
When drilling delicate materials such as wall tiles, it is essential to start with ordinary drilling and once the tile is
pierced, to continue with hammer drilling.
In deep boreholes the drill bit should be pulled out occasionally in order to remove the dust and chips from the
hole.
" for rotation without hammer action.
" for hammer drilling.
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