Clarke CDP201B Bedienerhandbuch PDF herunterladen (Seite 12)

Fig. 11

SPINDLE PULLEY MOTOR PULLEY

Spindle Motor Drill Speed Spindle Motor Drill Speed

Pulley Pulley RPM Pulley Pulley RPM

AB A B

1 4 1 180 7 1 2 970

2 4 2 250 8 2 3 1280

3 3 1 300 9 3 4 1410

4 3 2 400 10 1 3 1540

5 2 1 480 11 2 4 2270

6 4 3 580 12 1 4 2740

2. Changing Drill (Spindle) Speed.

Before changing the speeds, ensure the

machine is switched OFF, and disconnected

from the mains supply.

1 Undo the Belt Tension Locking Screws (A -

Fig. 11), one either side of the head, and

turn lever B - Fig.5 clockwise to relieve any

tension on the belts. Referring to the chart

inside the belt cover (which is duplicated

below), fit the belts in the positions

corresponding to the spindle speed

required.

2. Lever the motor, on its bracket, away from the head, by turning lever B - Fig.11,

anticlockwise so that tension is applied to the belts.

NOTE: The idler pulley will ‘float’ so that tension is equally applied to both belts

Tension is correct, when the belts deflect by approx. ½” at their centre when using

reasonable pressure with the thumb and forefinger.

Lock the motor in this position using the two Locking Screws (A - Fig. 11).

NOTE: If the belt should slip whilst drilling, adjust the belt tension.

DRILL SPEED TABLE

The table below gives the belt arrangements for given drill speeds. The diagram shows the

belts fitted to A1 and B3, giving a drill speed of 1540 RPM.

A full chart is also located on the inside of the pulley cover.

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 20 21

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Clarke CDP201B Bedienerhandbuch Seite 12