Delta MM300 Instruction Manual download pdf (Page 10)

FASTENING MACHINE TO SUPPORTING SURFACE

If during operation there is any tendency for the mortiser

to tip over, slide or walk on the supporting surface, the

base must be secured to the supporting surface with

fasteners (not supplied), through the two holes (A) Fig.

16, located in the mortiser base.

Fig. 16

ASSEMBLING CHISEL AND BIT

Fig. 20

1. DISCONNECT MACHINE FROM POWER SOURCE.

2. Insert bit (A) Fig. 20, into chisel (B). NOTE: The

opening (C) on the side of the chisel should always be to

the right or left, never to the front or rear. The opening

allows chips to escape during operation.

Fig. 21

Fig. 22

3. Loosen screw (D) Fig. 21, and push chisel (B) up

through hole in head as far as possible. Then lower chisel

(B) 1/16" to 3/16" and tighten set screw (D). IMPORTANT:

When inserting chisel (B) Fig. 22 into head, there must

be a space of 1/16" to 3/16" clearance (F) between the

bushing (E) and shoulder of chisel (B) as shown. This

assures having proper clearance between the cutting

lips of the bit and points of the chisel after the bit is

inserted into the chuck.

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Delta MM300 Instruction Manual Page 10