JET 708127 Operating Instructions and Parts Manual

Assembly Instructions & Parts List

#708127 JRBG-14 Roller Bearing
Guide Set

Pre-Assembly

1. Disconnect the sa w from the power source,
unplug.

2. It is easier to install the new guides if you
remove the band saw’s table.

3. Remove the circular table insert found on
the top of the table, and also the table pin
found on the side of t he table. The tabl e can
be removed by unscrewing the lock knobs
found below the table trunnion.

4. Remove the existing blade guides.

Upper Bearing Guide

Referring to Fi gur e 1:

1. Fit the upper bearing guide onto the guide
post and tighten the hex cap screw.

Note: Model JWBS-14OS Band Saw
requires bushing (Part No. 150214) shown
in G, Fig. 2.

JET

427 New Sanford Road
LaVergne, Tennessee 37086 Part No. M-708127
Ph.: 800-274-6848 Revision C1 05/2014
www.jetools.c om Copyright © 2014 JET, a Div ision of JPW Industries, Inc.

Figure 1

Referring to Fi gur e 2:

2. Adjust the back-up bearing (Fi g. 2) so that it
is 0.003” away from the back of the blade,
about the thi ckness of a piece of paper. To
make this adjustment loosen thumb screw
(F, Fig. 2) and turn the adjusting screw
(E, Fig. 2) until the adjustment is correct.
Tighten t hum b s crew (F, Fig. 2).

3. Loosen the thumb scr ew (C, Fig. 2) and t urn
the adjusting screw (D, Fig. 2) until the
bearing guides rest j ust behind the gullet of
the blade teeth.

4. Loosen the socket head cap screw
(A, Fig. 2) and turn the screw (B, Fig. 2)
clockwise or counter-clockwise until the
side-bearing (Fi g. 2) is 0.003” away f rom the
side of the bear ing, about t he thickness of a
piece of paper.

5. Adjust the opposite side bearing.

6. Tighten socket head cap screw (A, Fi g. 2).
Check to make sure the adjustments have
not changed and the be aring guides do not
pinch the blade.

7. Attach the bl ade guar d.

Figure 2

Lower Bearing Guide

1. Attach the lower bearing guide (Fig. 1) with
two hex cap screws and washers (Fig. 1).

Referring to Fi gur e 3:

2. Adjust the back-up bearing so that it is

0.003” away from the back of the blade,
about the thi ckness of a piece of paper. To
make this adjustment loosen thumb screw
(A, Fig. 3) and turn the adjusting screw
(B, Fig. 3) until the adjustment is correct.
Tighten t hum b s crew (A, Fig. 3).

3. Loosen the thumb scr ew (C, Fig. 3) and t urn
the adjusting screw (D, Fig. 3) until the
bearing guides rest j ust behind the gullet of
the blade teeth.

4. Loosen the socket head cap screw
(E, Fig. 3) and turn the screw (F, Fig. 3)
clockwise or counter-clockwise until the
bearing is 0.003” away from t he side of the
bearing, about the thickness of a piece of
paper.

5. Adjust the opposite side bearing.

6. Tighten socket head cap screw (E, Fi g. 3).
Check to make sure the adjustments have
not changed and the be aring guides do not
pinch the blade.

Figure 3

2