Sega AV F-ZERO AX - 13．Accelerator & Brake; 13−1 Adjusting or Replacing the Volume

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13. ACCELERATOR & BRAKE
● Beforestartingtowork,ensurethatthePowerSWisOFF.Failureto
observethiscancauseelectricshockorshortcircuit.
● Usecaresoasnottodamagewirings.Damagedwiringcancause
electricshockorshortcircuit.
● Donottouchundesignatedplaces.Touchingplacesnotdesignated
cancauseelectricshockorshortcircuit.
● Thisworkshouldbeperformedbythesitemaintenanceindividualor
otherskilledprofessional.Performingworkbynon-technicalpersonnel
cancauseelectricshockhazard.
● Whenperformingworksuchaspartsreplacementotherthanthose
specifiedinthismanual,besuretocontactwhereyoupurchasedthe
productfrom.Confirmtheworkproceduresandobtainprecautions
fromwhereyoupurchasedtheproductpriortoperformingwork.
Inappropriatepartsreplacementand/orinstallationwitherroneous
adjustmentcancauseanoverloadorthepartstocomeintocontact,
resultinginanelectricshock,ashortcircuit,andafire.
IfAccel.andBrakeoperationisnotsatisfactory,adjustmentofvolumeinstallationpositionor
volumereplacementisneeded.Also,besuretoapplygreasingtothegearmeshportiononce
every3months.
13 − 1 ADJUSTINGORREPLACINGTHEVOLUME
Thefollowingtoolsarerequiredfortheoperationsbelow:PhillipsscrewdriversforM4andM5.
TheappropriatevalueforbothACCEL.VolumeandBrakeVolumeisunder30Hwhenreleased
andoverC0Hwhensteppedon.CheckVolumevaluesintheTESTmode.Sinceworkis
performedinsidetheenergizedcabinet,beverycarefulsoasnottotouchundesignatedplaces.
Touchingplacesnotspecifiedcancauseelectricshockorshortcircuit.
①Takeoutthe2trussscrewsand
removetheFrontCoverfromthe
Accel.&BrakeUnit(FIG.13.1a).
TRUSSSCREW(2),chrome
M4×8
FRONTCOVER
FIG.13.1a
Besuretoperformvolume'smovevaluesettingintheVolumeSettingin
theTestModeafterreplacingoradjustingtheVolume.(See10-3G.)
ADJUSTMENTPROCEDURE