Draper BS190 Manual de instrucciones - Página 14

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ASSEMBLY cont'd

TENSIONING THE BLADE

Turn the blade tensioning knob ✹✌ Fig.22.

clockwise until the blade is tensioned. The blade

tension can be checked by pushing sideways on the

blade midway between the two wheels. When the

tension is correct the blade should move slightly

from side to side with firm finger pressure.

NOTE: Do not overtighten the blade. Too much

tension may cause blade breakage. Too little tension

may cause the blade to slip on the wheels.

Removing the blade is the reverse of the

aformentioned procedure.

TRACKING THE BLADE

NOTE: The blade tension must be correctly adjusted

before tracking the blade.

1. Slowly turn the upper wheel ✺✌ Fig.23.

clockwise by hand and watch the blade on the

tyre. If the blade does not stay central on the tyre

the tracking will have to be adjusted.

2. To adjust the tracking, turn the tracking

adjustment knob ✻✌ on the rear of the saw

behind the upper wheel. Fig.24.

3a. If the blade moves towards the rear cover (away

from the front of the saw) turn the adjustment

knob anticlockwise while turning the wheel

slowly by hand until the blade centres correctly

on the tyre.

3b. If the blade moves away from the rear cover

(towards the front cover) turn the adjustment

knob clockwise while turning the wheel slowly

by hand until the blade centres correctly on the

tyre.

4. Now check the position of the blade on the other

wheel tyre, the whole width of the blade should

be on the tyre. If it is not re-adjust the tracking

until the blade is on both tyres.

5. Before switching 'ON' rotate the upper wheel by

hand in a clockwise direction for a few turns.

Check that the blade stays in position on the

tyres. Re-adjust the tracking if necessary.

6. Position the blade guard and secure using the

two blade guard mounting screws, see Fig.25.

7. Close the front cover and tighten the two locking

knobs.

8. Re-fit the table alignment screw, washer and

wing nut to the table.

ADJUSTING THE BANDSAW TABLE 90˚ TO THE

BLADE

1. Loosen the upper slide lock knob and raise the

blade guide assembly. Tighten the upper slide

lock knob.

2. Now loosen the table tilt lock knobs ✭✌ Fig. 15.

3. Place a small engineers/combination square on

the table beside the blade as shown in Fig.26.

4. Hold the edge of the table and carefully tilt the

table up or down until the top surface is at a 90˚

angle to the blade, tighten the table tilt lock

knobs.

Fig.23.

- 14 -

Fig.22.

✹✌

✺✌

Fig.24.

✻✌

Fig.25

Fig.26.