35
MAINTENANCE
REPLACINGSAWGUIDEANDBACK‐UPINSERTS
These instructions can be used to replace
thesawguideinsertsandback‐uprollersor
insertsonbothsawguidearms.
ThebanddrivemotormustNOTberunning
when replacing saw guide and back‐up
insertsorrollers.
1. Loosentheinsertadjustmentscrewoneachsaw
guidearm.Then:(a)removetheleftsawband
guard (if necessary); (b) remove the adjustment
screw being very careful not to drop or lose the
insert,screwandwashers;(c)loosenthesocketcap
screwfromtherearsideofthesawguidearmsand
removetherearinserts.
2. Thoroughlycleanthesawguidearmandinserts
area.Then:(a)checktheback‐uprollersorinserts
forwearandreplacetheminneeded.
3. Installthenewfixedinsertandtightenthe screw.
Then: (a) thread the adjusting screw inward part
way;(b)installtheadjustableinsert;(c)tightenthe
adjustment screw; (d) replace the left saw band
guard(ifremoved).
BANDDRIVE/BRUSHBELTREPLACEMENT
1. Tochangethebanddrivebelt,opentherightband
wheel door. Then: (a) undo the guard clip and
removethescrews;(b)locatedintherearofthe
machine between the band drive motor and the
gearbox,turnadjustmentknobcounterclockwiseto
relaxbelttension;(c)removetheoldbeltandinstall
thenewbeltbystretchingthebeltoverthedesired
speedrangesetofpulley’s.
2. Turnadjustmentknobclockwisetotensionthebelt.
Thereshouldbeverylittledeflectionatthecenter
spanofthebelt.
3. Flipthecoverbackupandengagetheclipand
installthescrews.
HYDRAULICSYSTEM
1. Themachine’shydraulicreservoircapacitydepends
on machine model. Check the oil level daily by
referringtothesidegaugelocatedontheleftside
ofthemachinebehindthecontrolconsole.
2. Beforechangingthehydraulicoil:(a)lowerthesaw
headcompletely;(b)pushthehydraulicstopbutton;
(c)placeacontainerofsufficientcapacityunderthe
drainport;(d)removethedrainplug;(e)allowthe
reservoirtodraincompletely.
3. Drain,cleanandrefillthereservoir.Changeoilafter
the first three months, and every six months
thereafter. Clean the suction strainer and filter
opening screen when necessary. Use high quality
hydraulicoil,typeISO‐VG46.
Systempressure
1. Hydraulic system pressure is correctly set at the
factoryandshouldnotrequireadjustmentfora
considerableperiodoftime.
C‐3028NC C‐4033NC C‐420NC
System
pressure
30bar 30bar 40bar
C‐5650NC C‐560NC
System
pressure
40bar 45bar
COOLANTSYSTEM
1. Themachine’s coolantreservoir capacitydepends
onmachinemodel.Areservoirlevelsightgaugeis
locatedatthemachine’srightfrontside.
2. Checkthecoolantoftenforsignsofcontamination
or breakdown. The reservoir and coolant system
should be drained and cleaned thoroughly when
thecuttingfluidbecomesundesirableforfurther
use. If another type of coolant is to be used, the
entire system must be flushed using DoALL Kleen
Flush.
3. Tothoroughlycleanthereservoirsectionbelowthe
conveyor trough, removal of the trough will be
necessary.
4. Fillthereservoirwithcoolantthroughtheconveyor
screwuntiltheredmarkinglineinthesidegauge.