TIGHTENING THE ARM AND COLUMN ADJUSTING THE COLUMN TUBE
See Figure 19.
There should be no play, vertical or horizontal, in the
arm relative to the column. If you can move the arm
up, down or sideways when it is unlocked, use the
following steps to tighten it.
• Using aphillips screwdriver, remove the rear cover
screws (2) and rear cover from the back of the arm.
This uncovers the boltson the column.
•Tighten the top two bolts evenly until the arm isfirm
and there is no vertical or horizontal movement.
• Also check the two bottom hex nuts.It is not
necessary totighten them as tight as the upper
.bolts. However theyshould be tightened even and
.snug.
• -Replace the rear cover and rear cover screws.
•Tighten screws securely.
-REAR
COVERSCREWS
REAR
COVER
HEXBOLT(2)
See Figures 20A -20D.
The purpose of this procedureis to check whetherthe
innercolumn tubeis snug inthe housing and to
remove any looseness. Looseness could result in a
poorcut or difficulty in elevating the carriage. The
column tubeis the upper portion ofthe column and
extends from thecolumn support.
Note: It is critica/to remove all looseness with this
procedure. If thisprocedure is not done cor-
rectly,following adjustments will be wrong and
could result in machine damage.
Thisprocedure checks both the elevating action and
the rotating action. If a check does not show loose-
ness, do not perform the adju.stment.
• Ifthe arm is not at 0" (straight forward), release the
arm lock knob, set the arm, and re-lock the arm
lockknob.
•Elevation check: To check the elevation movement,
place your hand under the front ofthe radial arm.
Press upward on the radial arm. There should be
no playbetween the column tube and the column
support.The whole assembly should move as one.
See Figure20A.
COLUMN ARM
TUBE
o
COLUMN
SUPPORT Fig. 20A
HEXNUT(2) Fig. 19
I:RRFI"$MRN"RADIALSAW315.220380 28