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20
Switching the gear setting
(figure 14).
With the gear switch, you can select the
speed and thus the torque.
Adjust the gear setting only when the
machine is at a complete stop or when the
motor is running down.
Set the switch to gear 1 to work at low
speed with high torque. This setting is suit-
able for drilling with large drill bit diameters
and for tapping.
Set the switch to gear 2 to work at high
speed with low torque. This setting is suit-
able for drilling with small drill bit diameters.
JCM 200 U,
1. Gear
JCM 200 QX,
JCM 200 auto
JCM 256 U
1. Gear
JCM 200 U,
2. Gear
JCM 200 QX,
JCM 200 auto
JCM 256 U
2. Gear
JCM 200 QX
1. Gear
JCM 200 U,
1. Gear
JCM 200 auto
JCM 256 U
1. Gear
Drilling capacity in
steel - TCT
in steel - high speed
(core drill bit)
27 – 50 mm
1 1/16 in – 2 in
27 – 65 mm
1 1/16 in – 2 5/8 in
1 1/16 in – 1 3/16 in
12 – 26 mm
7/16 in – 1 1/16in
12 – 26 mm
7/16 in – 1 1/16in
Max. diameter
for reaming
≤ 16 mm
≤ 5/8 in
≤ 23 mm
≤ 7/8 in
≤ 25 mm
≤ 1 in
Fig.14
Drilling capacity
Drilling capacity in
steel (HSS)
(core drill bit)
21 – 40 mm
3/16 in – 1 5/8 in
21 – 45 mm
12 – 20 mm
7/16 in – 3/4 in
12 – 20 mm
7/16 in – 3/4 in
Max. diameter for
counterboring
≤ 31 mm
≤ 1 3/4 in
≤ 50 mm
≤ 2 in
≤ 50 mm
≤ 2 in
steel - high speed
steel (HSS)
(twist drill bit)
16 mm – 23 mm
5/8 in – 7/8 in
1/4 in – 5/8 in
16 – 25 mm
5/8 in – 1 in
1/4 in – 6/8 in
1,5 – 15 mm
1/16 in – 5/8 in
1,5 – 15 mm
1/16 in – 5/8 in
Tapped hole
M6 – M16
M6 – M20
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