TIGHTENING THE ARM AND COLUMN
See Figure 19.
There should be no play,vertical or horizontal, in the
arm relativeto thecolumn. If you can movethe arm
up, down or sideways when )he arm lock is unlocked,
usethe followingstepsto tightenthe arm.
Note: The arm should pivot onlywhen the arm lock
knobis unlocked and pulled forwardto com-
pressthe spring.
Usinga phillipsscrewdriver,remove the rear cover
screws(2) and rearcover from the back of the arm.
This uncoversthe belts on the column.
Tighten the top two belts evenly untilthe arm isfirm
andthere isno verticalor horizontalmovement.
Alsocheck the twobettom hex nuts. It is not
necessaryto tightenthemas tight as the upper
bolts.However they shouldbetightened evenand
snug.
Replacethe rearcover and rearcover screws.
Tighten screwssecurely.
REAR
COVERSCREWS
REAR
COVER
HEXBOLT(2)
ADJUSTING THE COLUMN TUBE
See Figures20A -20D.
The purpose ofthis procedure is tocheck whether the
innercolumn tube is snug in the housingandto
removeany looseness. Looseness could result in a
poor cutor difficultyin elevating the carriage. The
columntube isthe upperportion of the columnand
extendsfrom the column support.
Note: It is criticalto removeall looseness withthis
procedure.If this procedure isnot done cor-
rectly,following adjustmentswill be wrongand
couldresultin machine damage.
Thisprocedure checks beth the elevating actionand
therotating action. If acheck does not showloose-
ness,do not perform the adjustment.
Ifthe arm is not at O"(straightforward), releasethe
armlock knob, set the arm, and re-lock the arm
lockknob.
Elevationcheck:To check the elevation movement,
placeyour handunder the frontof the radial arm.
Pressupward on the radial arm. There shouldbe
minimalplay between the column tube and the
columnsupport.The wholeassembly shouldmove
asone. See Figure 20A.
COLUMN ARM
TUBE
COLUMN
SUPPORT Fig. 20A
HEXNUT(2) Fig. 19
€IulFrsNlU(' RADIALSAW315.220_1 28