Kitz B Series - Disassembly and Reassembly

DocumentNo.:KE-4025-06                                           22/50
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14.DisassemblyandReassembly
Disassembly and reassembly method of the actuators differs depending on the actuator type. When
disassemblyoftheactuatorisrequiredfor maintenanceorrepair,followtheproceduresdescribedforeach
actuatortype.
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 DONOTusecompressedairwhendisassemblingthecylinder.Thecylinder
maybesuddenlyejected.
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 A compressed heavy-duty spring is packed within the spring case of the
Type BS and BSW actuators. The spring cover may be pushed out and
cause personal injury if the tie rod used for fixing the spring case is
loosenedandremoved.Whendisassemblingthespringcase,make sureto
followtheinstructionsgiveninthismanual.
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 Takecarewhenhandingheavypartsduringdisassemblyorreassembly.
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 Disassembly
 Performdisassemblyinaspacious,cleanroom.
 After air tubing is removed,adequately cover the airsupplyexhaust port
andtheopenendsoftheactuatorhousingstopreventdustfromentering
untilreassemblyoftheactuator.
 Prepare tie rods, spring pins and nuts specified for each size before
disassemblyofTypeBSandBSWactuators.
 Releasetheresidualpressurefromthecylinderbeforedisassembly.
 The internal surface of the actuator cylinder is coated with fluorocarbon
resin.Careshouldbetakennottoscratchthecoatingduringdisassembly.
 All sliding parts such as shafts, pistons and bearings must be carefully
handledandstoredtoavoidscratchesordamages.
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