Automatic Feed Operation And Feed Changes; Powered Carriage Travel; Saddle Adjustment; Cross Slide Adjustment - Jet BDB-1340A Operation And Maintenance Instructions

Automatic Feed Operation and Feed
Changes
1. Move forward/reverse selector (A, Fig. 25)
up or down depending on desired direction.
2. Set the selector handle (B, Fig. 26) to the
"3" position and turn knob (C, Fig. 26)
counter-clockwise so the arrow is pointing
up to start the feed rod rotating.

Powered Carriage Travel

Push lever (D, Fig. 25) to the left and down to
engage crossfeed. Pull lever to the right and up
to engage longitudinal feed.

Saddle Adjustment

1. Loosen four hex nuts (E, Fig. 27) found on
the bottom rear of the cross slide.
2. Turn each of the four set screws (F, Fig. 27)
equally with a hex wrench until a slight
resistance is felt. Do not over tighten.
3. Move the carriage with the hand wheel and
determine if drag is to your preference. Re-
adjust the setscrews as necessary to
achieve the desired drag.
4. Hold socket set screw firmly with a hex
wrench and tighten hex nut to lock in place.
5. Move the carriage again and adjust if
necessary. Note: Over adjustment will
cause excessive premature wear of the
gibs.

Cross Slide Adjustment

If the cross slide is too loose, follow procedure
below to tighten:
1. Loosen the rear gib screw (G, Fig. 27)
approximately one turn.
2. Tighten front gib screw a quarter turn. Turn
the cross slide handwheel to see if the cross
slide is still loose. If it is still loose, tighten
the front screw a bit more and try again.
3. When cross slide is properly adjusted, snug
rear gib screw. Do not over tighten. This
will cause premature wear on the gib and
mating parts.
Figure 25
Figure 26
Figure 27
19