GRAPHTEC FC8000-75 - Pinch Roller Pressure Adjustment

FC8000-UM-251-9370 7-5
7. ADJUSTMENT
7.2.4 Pinch Roller Pressure Adjustment
How to adjust the pinch roller pressure
(1) Detachthecentercover(seeSubsection6.1.3).
(2) Changethehold-downforceswitchinglevertotheStrongposition.
Strong hold-down force
Weak hold-down force
(3) Placethepinchrolleronthegritroller.
(4) Sandwichthestainlesssteelplatejigasshowninthegurebelowandcatchthepushpressurewirejig
onthepinchrollershaft.
(5) Pullthewireofthepushpressurewirejiginthedirectionofthearrowwiththe10kgfpush-pullgauge.
Note *Besuretopullinthecorrectdirection.
*Besuretopullattheangleshowninthegureabove(theangleatwhichthewirejigisalmost
touchingtheYrail).
(6) Readoutthevalueatwhichthestainlesssteelplatejigslipsout.
Thepinchrollerpressureshouldbe6.5kg±0.25force.
Thepressuredifferencebetweeneachpinchrollershouldbelessthan0.4kg.