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Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
DRILL OPERATING SPEEDS
The table below gives the belt arrangement for given drill speeds.
A similar chart is also located on the inside of the pulley cover.
The diagram shows the belts fitted to step 4 of the spindle pulley and step 1 of
the motor pulley, giving a speed of 210rpm.
S
PINDLE
P
ULLEY
A
M
OTOR
P
ULLEY
B
D
RILL
S
PEED
RPM
S
PINDLE
P
ULLEY
A
M
OTOR
P
ULLEY
B
D
RILL
S
PEED
RPM
1
4
1
210
7
1
2
830
2
4
2
280
8
2
3
1290
3
3
1
320
9
3
4
1350
4
2
1
420
10
1
3
1580
5
3
2
500
11
2
4
2180
6
4
3
540
12
1
4
2580