Delta 70-200 User Manual download pdf (Page 12)

Fig. 27

Fig. 28

Fig. 29

Fig. 30

DRILLING HOLES TO DEPTH

Where a number of holes are to be drilled to exactly the

same depth, a depth stop is provided in the pinion shaft

housing (A) Fig. 27, and is used as follows:

1. Loosen lock lever (B) Fig. 27, and rotate housing (A)

until the pointer (C) lines up with the depth indicated on

the English/Metric scale (D) that you want the spindle to

lower. Then tighten lock lever (B).

2. The spindle will then lower to the exact depth as

indicated on the scale (D) Fig. 27

ADJUSTING SPINDLE

RETURN SPRING

For the purpose of automatically returning the spindle

upward after a hole has been drilled, a spindle return

spring is provided in the spring housing (A) Fig. 28. This

spring has been properly adjusted at the factory and

should not be disturbed unless absolutely necessary. To

adjust the return spring, proceed as follows:

1. DISCONNECT THE DRILL PRESS FROM THE

POWER SOURCE.

2. Loosen the two nuts (B) Fig. 28, approximately one-

quarter inch. IMPORTANT: DO NOT REMOVE NUTS

(B) FROM SHAFT.

3. While FIRMLY holding spring housing (A) Fig. 28,

pull out housing and rotate it until the roll pin (C) is

engaged with the next notch on the housing. Turn the

housing counterclockwise to increase and clockwise to

decrease spring tension. Then tighten the two nuts (B)

to hold the housing in place. IMPORTANT: NUTS (B)

SHOULD NOT CONTACT SPRING HOUSING (A) WHEN

TIGHT.

TABLE ADJUSTMENTS

1. The table can be raised or lowered on the column by

loosening table clamp handle (A) Fig. 29, and turning the

table raising and lowering handle (B). After the table is at

the desired height, tighten handle (A).

2. The table can be tilted right or left by pulling out and

removing table alignment pin (C) Fig. 30, and loosening

table locking bolt (D). Tilt the table to the desired angle

and tighten bolt (D). A tilt scale and pointer are provided

on the table bracket casting to indicate the degree of tilt.

When returning table to the level position, replace table

alignment pin (C) Fig. 30. This will automatically position

the table surface at 90 degrees to the spindle.

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Delta 70-200 User Manual Page 12

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