Fein Slugger JMU 137 QW Series Instruction Manual page 25

Switching the gear setting
(figure 16).
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.
JMU 137 QW 1. Gear
(**),
JMU 137-2 QW
(**),
JMU 137 PQW
(**)
JMU 137 MQW 1. Gear
(**)
JMU 137-2 QW 2. Gear
(**)
JMU 137 QW 1. Gear
(**),
JMU 137 PQW
(**)
JMU 137 MQW 1. Gear
(**)
JMU 137-2 QW 1. Gear
(**)
Drilling capacity
in steel -
TCT/high speed steel
(core drill bits)
1/2 in – 1 3/8 in
12 mm – 35 mm
1/2 in – 1 3/8 in
12 mm – 35 mm
Max. diameter
for reaming
≤ 5/8 in
≤ 16 mm
≤ 11/16 in
≤ 18 mm
≤ 5/8 in
≤ 16 mm
Fig. 16
Drilling capacity
in steel - high speed
steel (HSS)
(twist drill bit)
1/4 in – 5/8 in
6 mm – 16 mm
3/8 in – 11/16 in
10 mm – 18 mm
1/16 in – 3/8 in
–
1.5 mm – 9 mm
Max. diameter for
counterboring
≤ 1 1/4 in
≤ 31 mm
≤ 1 1/4 in
≤ 31 mm
≤ 1 1/4 in
≤ 31 mm
en
25
Tapped hole
3/8 in – 9/16 in
M5 – M14
3/8 in – 9/16 in
M5 – M14
–