DoAll C-4033NC - Band Speed Range; Left Saw Guide Arm Adjustment; Feed Force Adjustment

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MACHINEPREPARATION(Continued…)
4. TurnthebandtensionselectortoONandthento
HOLDuntilthesawbandistensionedjustenough
tobeheldinplaceandadjustmentscanbemade.
5. Check the saw band portion around both band
wheelsandadjust(itsbackmustrestagainsteach
wheel’srearflange.Whensatisfiedthatsawband
positioning is correct: (a) turn the band tension
selectortoON;(b)movethesawguidearmtothe
desiredposition;(c)tightenbothsaw guideinsert
adjustmentscrews.
6. Reposition the band brush and tighten the clamp
handle (brush bristles should clean the teeth tips
butnocontactthebottomofthegullets).Then:(a)
liftthebandwheeldoorstodisengagethelockand
closebothdoors;(b)jogthebanddrivemotor;(c)
openeachbandwheeldoortomakesurethesaw
bandisagainstthebandwheelflanges(+/‐1mm);
(d)closethedoorswheneverythingissatisfactory.
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BANDSPEEDRANGE
1. The operator can select between HIGH and LOW
bandspeedrangesbyswitchingthedrivebeltfrom
onesetofpulleystotheother.
2. LOWrangeisthefrontsetofpulleysandHIGH
rangeistherearset.
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BandSpeedRangePulleys
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3. Bandspeedrangeisasfollows:
LOW: 15–85m/min
HIGH: 25–135m/min
4. To change the band speed range, open the right band
wheeldoor.Then:(a)undotheguardclipandremovethe
screws;(b)locatedintherearofthemachinebetween
thebanddrivemotorandthegearbox,turnthe
adjustmentknobcounterclockwisetorelaxbelttension;
(c) install the belt to the desired speed range set of
pulleys.
5. Turntheadjustmentknobclockwisetotensionthebelt.
Thereshouldbeverylittledifferenceatthecenterspan
ofthebelt.
6. Flip the cover up and engage the clip and install the
screws.
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LEFTSAWGUIDEARMADJUSTMENT
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Therightsawguidearmcannotbeadjusted.
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1. Theleftsawguidearmmovesalongtheslidebarto
accommodate various stock widths(the arm shouldbe
positionedascloseaspossibletotheclampedstock.
2. Stockwidthsettingsaredepictedbyaslidebarscalewith
bothmetricandinchmeasurements.
3. Toadjusttheleftsawguidearmaccordingtostockwidth,
theoperatorloosenstheleftinsertadjustmentscrewand
theguidearmlockinghandle.Next:(a)lineuptheleftsaw
guidearm’srightedgewiththeproperinscribedscaleline;
(b)securethesawguidearminthechosenlocationby
tighteningtheguidearmhandle;(c)tightentheleftinsert
adjustmentscrew.
DONOThammerthelockinghandwheel.Hand
tighteningisadequatetolocktheleftsawguidearm
inplace.
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FEEDFORCEADJUSTMENT
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1. Feed force is the pressure exerted by the workpiece
against the saw band’s cutting edge. It is controlled
hydraulically and regulated with the Feed Forcevalve.
TurnthevalveclockwisetoDECREASEpressure,
counterclockwisetoINCREASEpressure.
2. Thefollowingareimportantfactorstoconsiderwhen
settingoradjustingtheFeedForcevalve:
 TurntheFeedForcevalvetoalowsettingifthe
correctfeedforceisnotknown.Theoperator
canthenincreaseordecreasepressureduring
operation to obtain the best cutting rate
consistentwithdesiredbladelifeandcutfinish.
Alwaysbesuretotakeagoodchip.
 NeverstartacutwiththemaximumFeedForce
valvesetting.Bladedamagemayoccur.
 Certainwork‐hardeningmaterialswillrequirea
moderate to heavy initial Feed Force valve
setting to assure immediate penetration of
bladeteeth.Lightfeedsonthesematerialsmay
causethebladetoslideoverthestockresulting
insawbanddamage.