Olympus BH-2 Series - Table of Contents

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CompleteTeardown,Cleaning,andReassemblyoftheOlympusBH‐2SlidingFocusBlock Revision2 Page2of23
TableofContents
Introduction............................................................................................................................................................................6
ScopeofthisDocument..........................................................................................................................................................6
ACautionRegardingStiffFocusMechanisms.........................................................................................................................6
ToolsNeeded..........................................................................................................................................................................6
AFewWordsaboutJISScrews...............................................................................................................................................6
SuppliesNeeded.....................................................................................................................................................................6
RecommendedSolvents.........................................................................................................................................................6 
SafetyConsiderationswithSolvents.......................................................................................................................................6
SolventCompatibilitywithParts
andFinishes........................................................................................................................7
RecommendedLubricants......................................................................................................................................................7
LabelPartsforIdentificationandReassembly........................................................................................................................7
PartofaComprehensiveFocusOverhaul...............................................................................................................................7
ProtecttheExposedMountingDovetails...............................................................................................................................7
SeparatetheArmfromtheBase............................................................................................................................................8
RemovetheLamphouse.....................................................................................................................................................8
RemovetheElectricalBase.................................................................................................................................................
8
RemovetheArmfromtheBase..........................................................................................................................................8
DisassembletheSlidingFocusBlock.......................................................................................................................................9 
RemovetheTrimCover......................................................................................................................................................9
LoosentheScrewsTensioningtheSlideMechanism.........................................................................................................9
RemovetheFocusBlockAssemblyfromtheArm..............................................................................................................9
CleantheVariousSlideComponents....................................................................................................................................10
RemovetheGuideRailsfromtheArmCasting................................................................................................................10
RemoveandReinstalltheBottomDustCover..................................................................................................................11
RemovetheGuideRailsfromtheFocusBlock .................................................................................................................11
RemovetheGuideRailsfromtheGuideBlock.................................................................................................................12
CleantheCylindricalRollers..............................................................................................................................................12
ReassembletheSlidingFocusBlock
......................................................................................................................................12
ReinstalltheGuideRails intotheArmCasting.................................................................................................................12
ReinstalltheGuideRails intotheFocusBlock..................................................................................................................13
ReinstalltheGuideRails intotheGuideBlock..................................................................................................................13
ApplyGreasetotheGuideRails(Optional)......................................................................................................................14
PlacetheGuideBlockintoPositionontheFocus
Block...................................................................................................14
PlaceCylindricalRollersontoLowerGuideRailsofArm..................................................................................................14
PlaceFocusBlockAssemblyontoCylindricalRollers........................................................................................................15
PlaceCylindricalRollersontotheUpperGuideRails........................................................................................................15
MounttheGuideBlockintoPosition................................................................................................................................16
AdjustforNoLateralPlayintheSlidingFocus
Block........................................................................................................16
SecuretheGuideBlockinPosition...................................................................................................................................17