iOptron CEM60EC User manual

CEM60ECHighPrecisionOpticalEncoderWheelCleaning
May10,2016
NOTE:WhentheinstructionsaysrotatethemountinRAdirection,itmeansyouneedtoHOLDthemounthead,fullydisengagethe
GearSwitch,rotatethemounthead,andengagetheGearSwitchagain.
NOTE:Thisinstructionisreleaseduponcustomerrequestandisforreferenceonly.Itisatyourownrisktoperformthetasklisted
below.iOptronassumesnoliabilityatall.
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Rotatethemountheadtosideway.Removefourscrewsthat
holdtheRAboardcover.
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SlightlyseparatetheRAboardcasefromtheRAwormwheel
case.Unplugthemotorcontrolcable.
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Unplugthemainboardconnectingcable.
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Unplug the high precision encoder cable. Now you can
removetheRAboardwiththecoverfromthemount.
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Therearetwosmallholesaboveandbelowopticalencoder
readerboard.InsertasmallQ‐tipwithalcoholintotheholes
untilyoufeelittouchesthewheel.ReleasetheGearSwitch
androtatetheRAbyhand.DonotpushtheQ‐tipinwith
force.Youarecleanadelicate,micronsizeencodertics!!!
Repeattheprocessafewtimesthroughbothholes.
Warning:Donottouchtheencoderreaderboard.NEVER
EVERtrytoadjusttwobrassscrews!Itwillmessupthe
alignmentbetweenthereaderandencoderwheelandonly
factorycanredotherealignment.

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SlidetheRAboardcasewiththeboardovertheRAaxle.
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Plug in encoder cable first. Then connect the main board
connectingcableandRAmotorcontrolcable.
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Align two position sensors to the openings on the RA worm
wheelcaseandplacetheRAboardcaseagainsttheRAworm
wheelcase.Securefourscrews.
Before tightening the cover screws, double check if any
cablesaregettingintothewaybetweenthecoverandbody,
especiallythe6thinencoderwires.
Power on the mount and do a high precision encoder
calibration.
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