Tailshaft Works

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H-1 Remove/re-install rope guard.

H-2 Check bearing clearance of tailshaft.
H-3 Disassemble/re-assemble tailshaft packing gland.
H-4 Disassemble/re-assemble tailshaft mechanical seal assembly. Replace with new owner-supplied rubber seal and spring. Test for leak before installation.
H-5 Discouple/re-couple tailshaft coupling to main engine transmission.
H-6 Remove and lay aside intermediate shaft, re-install after works.
H-7 Draw out tailshaft and re-install.
H-8 Draw in tailshaft and re-install.
H-9 Transport tailshaft to shop for works.
H-10 Discouple/re-couple and align tailshaft to intermediate shaft.
H-11 Re-pack gland of tailshaft, stuffing box using owner-supplied materials.
H-12 Dye check tapered portion of tailshaft.
H-13 Reface inside diameter of tapered portion of tailshaft coupling.
H-14 Check keyway seating of tailshaft.
H-15 Build-up and machine crack tailshaft keyway.
H-16 Check thread seating of locknut.
H-17 Remove worn out bearing section of tailshaft (lignum vitae type).
H-18 Remove worn-out wooden bearing (magcono type).
H-19 Apply rubber coat to worn-out section of tailshaft.
H-20 Fabricate and machine fit tailshaft bearing (lignum vitae) using yard-supplied standard molds.
H-21 Install newly fabricated lignum strips bearing.
H-22 Machine to finish magcono wood bearing.
H-23 Install new magcono wood bearing.
H-24 Reface tailshaft bearing sleeves.
H-24 Reface tailshaft bearing sleeves.
H-25 Clean and polish tailshaft.
H-26 Apply epoxy-coating on worn-out section of tailshaft covering.
H-27 Apply fiberglass-coating on worn out section of tailshaft covering.
H-28 Pull-out/re-install bearing keep rings.
H-29 Build-up worn out section of tailshaft using oxygen-acetylene.
H-30 Check straightness of tailshaft.
H-31 Straightened bended section of tailshaft.
H-32 Undercut tailshaft bearing sleeves in way of belzona application.
H-33 Apply belzona & machine to final dimension using owner-supplied materials.
H-34 Pull out and re-install tailshaft split cover.
H-35 Remove and re-install mechanical seal presser set on lathe and reface faceplate.
H-36 Pull-out and re-install tailshaft bearing shells using yard supplied fabricated puller hydraulic pump.
H-37 Dis-assemble/re-assemble outboard simplex lubricated type seal housing. Replace rubber seal. 

 

Image:Tailshaft01.png
Image:Tailshaft02.png

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