rollers into the cutting area should be removed by
A. BLADE GUIDE ADJUSTMENT-
adjusting the cam bolt. It is also very important
TYPE 415200, L-9 AND W-9 MACHINES
that after this adjustment has been completed you
Adjustment of the saw blade guides is one of the
can manually push the blade down partially out of
most critical on your machine as it plays an im-
the guide and when released it will partially return
portant part in the overall machine performance. It
of its own accord. CAUTION: If these two guide
is VERY IMPORTANT that a NEW BLADE be
rollers are adjusted too tightly it will cause the
INSTALLED and PROPERLY TENSIONED
blade to "snake" through the rollers, resulting in
before adjusting the blade guides.
metal fatigue and blade breakage. Guide rollers
adjusted too tightly will also cause the metering
TO ADJUST THE BLADE GUIDE ROLLER
valves controlling the cutting head feed to become
CLEARANCE, refer to Fig. 1. One guide roller is
inoperative or very erratic, resulting in extreme
mounted on shoulder bolt 411140 and threaded
feed problems.
directly into the housing 411080. This roller is
rigidly mounted and non-adjustable. The opposing
PARALLEL AND VERTICAL ALIGNMENT OF
roller (Fig. 2) is mounted on a cam shoulder bolt
THE BLADE GUIDES. In order to make an
411100 and an adjustment of the roller centers can
accurate adjustment of the blade guides it is first
be made by loosening the hex nut on the top (Fig. 3)
necessary to check the stationary vise jaw for
and rotating the bolt. These rollers should be
squareness on the saw bed (Fig. 4). Place a com-
adjusted just tight enough so that grasping the
bination square on the machine bed using the front
blade in the area between the guide and its adjacent
edge of the wide bed top plate in the vise slideway,
band wheel and oscillating it across the vertical
and adjust the rear stationary vise jaw to obtain a
center will not permit movement of the blade in the
true 90o setting. The guide settings will be trued to
cutting a r e a b e t w e e n t h e t w o g u i d e s . Any
the vise face, so it is very important that the vise
movement of the blade transmitted through the
face be at right angles to the saw bed.
Fig. 3
Fig. 1
Fig. 4
Fig. 2
36