Delta 31 Instruction Manual download pdf (Page 10)

3. Loosen tracking lock knob (D) Fig. 14, and while

rotating the belt (F) by hand, as shown, tighten or loosen

tracking knob (E) until the belt is running true on the

pulleys.

4. Then jog the machine on and off to check further if

the belt is tracking properly. If the belt is leading to one

side or the other, very gently turn the tracking knob (E)

Fig. 14, clockwise to move the belt toward the adjusting

screw and counterclockwise to move the belt away from

the adjusting screw while jogging the machine on and

off.

5. A final adjustment can be made with the motor

running. THIS ADJUSTMENT IS USUALLY VERY

SLIGHT. After the belt is tracking properly, tighten the

lock knob (D) Fig. 14, being careful the adjusting screw

(E) does not turn.

6. Replace top cover (B) Fig. 12.

Fig. 14

ADJUSTING

BELT SANDER TABLE

DISCONNECT MACHINE FROM POWER

SOURCE.

To tilt the table, loosen the table tilting handle (A) Fig. 15,

move the table to the desired angle, and tighten the table

tilting handle. The table tilting handle can be reposition-

ed by pulling out the handle and repositioning it on the

hex nut located underneath the handle. Positive table

stops are provided at 90° and 45°. To adjust the stops,

proceed as follows:

1. Loosen the table locking handle (A) Fig. 15, and lift

the table up to approximately 10 degrees.

2. Flip out stop bracket (C) Fig. 16, and lower the table

until the adjustable screw (D) contacts stop bracket (C).

3. Place a square on the table with one end of the

square against the platen.

4. Turn the adjusting screw (D) Fig. 16 until the table is

at 90° to the platen and adjust the pointer (E) Fig. 15, to

the 0° mark on the angle-of-tilt scale (F) Fig. 15.

5. The same procedure is followed when adjusting the

table to stop at the 45° position as shown in Fig. 17.

Fig. 15

Fig. 16

Fig. 17

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Delta 31 Instruction Manual Page 10

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