Delta 31 Instruction Manual page 12

ADJUSTING TABLE SQUARE
WITH SANDING DISC
DISCONNECT MACHINE FROM POWER
SOURCE.
1. Place an accurate square (C) Fig. 23, on the table with
one end of the square against the disc.
2. Loosen the table locking knobs (A) Fig. 23, which are
located on each end of the table and move the table until
it is at 90 degrees to the disc. Then tighten the table
locking knobs (A).
3. Adjust the pointer (B) Fig. 25A, so it points to the "0"
mark on the scale.
ADJUSTING MITER GAGE
SLOTS PARALLEL WITH
THE BELT AND DISC
These adjustments are made at the factory; however,
during shipment they may have been disturbed. If an
adjustment is necessary, proceed as follows:
BELT SANDER
DISCONNECT MACHINE FROM POWER
SOURCE.
1. Check to see if the miter gage slot is parallel with the
sanding belt by placing a square in the miter gage slot
with one end of the square against the platen, as shown
in Fig. 24.
2. Slide the square the full width of the platen checking
to be sure the distance between the miter gage slot and
the platen is the same.
3. If an adjustment is necessary, loosen the three screws
(A) Fig. 24A that hold the table to the bracket and shift
the table until the slot is parallel to the platen. Then
tighten the three screws.
DISC SANDER
DISCONNECT MACHINE FROM POWER
SOURCE.
1. Check to see if the miter gage slot is parallel with the
disc by placing a square in the miter gage slot with one
end of the square against the disc, as shown in Fig. 25.
2. Using a pencil, make a mark on the disc where the
square contacts the disc, as shown in Fig. 25.
3. Rotate the disc to the other end of the table and check
the distance with the miter gage.
4. If an adjustment is necessary, loosen the four screws
(A) Fig. 25A, (two of which are shown), that hold the table
to the trunnions and adjust the table until the miter gage
groove is parallel with the disc. NOTE: When making this
adjustment be sure the table locking handles are
tightened.
12
A
Fig. 23
Fig. 24
Fig. 24A
Fig. 25
A
B
Fig. 25A
C
A