21
39
35
02
36
11
FIG. 18 – DRILLING
10.1.4)
Start the engine following instructions to § 9.
10.1.5) Proceed to drill by initially applying light pressure on the lever (36), increasing the
pressure progressively, avoiding jolts, and finally relieving the pressure in the exit
phase.
When drilling close to raised letters on the rail the initial pressure must be extremely
light until the lettering disappears, otherwise the cutter may be damaged.
10.1.6)
The guide bit will enable the lubrocoolant to be discharged throughout the drilling
process.
10.1.7)
When the drilling has been completed, fully retract the spindle,
stop the engine by
positioning the relevant switch to "OFF" position
, and make sure that drilling swarf is
removed before recommencing drilling.
10.1.8)
After drilling, it is advisable to remove all swarf from the tool and spindle area.
10.2) Drill fitted with “long” type broach cutter
(for drilling thicknesses of up to
50 mm
).
Follow the sequence described in § 10.1, taking
care to position the drill on the rail by keeping
the spindle fully withdrawn.