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TIGHTENING THE ARM AND COLUMN
See Figure 19.
There shouldbe no play,verticalor horizontal,in the
arm relativeto the column.If youcan movethe arm
up, downor sidewayswhen the arm lockis unlocked,
use the followingstepsto tightenthe arm,
Note: The arm shouldpivotonlywhen the armlock
knobisunlockedand pulledforwardto com-
pressthe spdng.
• Usinga phillipsscrewdriver,removethe rear cover
screws(2) and rear coverfrom the backof thearm.
This uncoversthe boltson the column.
• Tightenthetop twobolts evenly untilthe arm isfirm
and there isno verticalor horizontalmovement.
• Alsocheckthetwo bottomhex nuts.Itis not
necessarytotightenthem as tightas the upper
bolts.Howeverthey shouldbe tightenedeven and
snug.
• Replacethe rear cover and rear coverscrews.
• Tightenscrews securely.
REAR
COVERSCREWS
REAR
COVER
HEXBOLT(2)
ADJUSTING THE COLUMN TUBE
See Figures20A - 20D.
The purpos¢.pfthis procedureisto checkwhetherthe
inner column tube issnugin the housingand to
remove any looseness.Loosenesscould resultin a
poorcut or difficultyin elevatingthe carriage. The
columntube isthe upperportionofthecolumnand
extendsfrom the columnsupport,
Note: It iscrftica/to removeall loosenesswiththis
procedure.Ifthisprocedureisnotdone cor-
rectly,followingadjustmentswillbe wrongand
couldresultin machinedamage.
This procedurechecksboththeelevatingactionand
the rotatingaction. Ifa checkdoes not show loose-
ness, do not performthe adjustment.
• Ifthe arm isnotat O"(straightfonNard), release the
armlock knob,set thearm, and re-lockthe arm
lockknob.
• Elevationcheck:To checkthe elevationmovement,
placeyourhand underthe frontofthe radialarm.
Pressupwardon the radialarm.There shouldbe
no play betweenthe column tubeand the column
support.The wholeassembly shouldmoveas one.
See Figure20A.
COLUMN ARM
TUBE
COLUMN
SUPPORT
Fig. 20A
HE](NUT(2)
Fig. 19
(lUlF1]MIIW RADIALSAW316.220380 28
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