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naval dockyard, mumbai - Irfc-nausena.nic.in

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DEPT: QC(E) C. No<br />

74<br />

SHIP: FC MADHUR<br />

NAVAL DOCKYARD, MUMBAI<br />

QUALITY ASSURANCE PLAN<br />

REV DATE: 23 May 12 FORM Q C E 0 7 4 R E 0 1 0<br />

No:01<br />

NO<br />

JOB TITLE : REFIT OF FERRY CRAFT­MADHUR<br />

QAP No : QCE74 ­245 QAP DATE : 11­JUL­12 PAGE 6 OF 22<br />

E­20010 Defect Description<br />

Both rudder stock bush clearances to be checked.<br />

On completion renew gland pack<strong>in</strong>g as per sample<br />

(Mat­Greased Hemp/cotton grease, complete 05<br />

turn, rudder stock dia­ 110 mm).<br />

Activity Description<br />

Remove the old hemp pack<strong>in</strong>g Check the feeler<br />

gauge clearances<br />

E­20011 Defect Description<br />

If clearances found beyond permissible limits,<br />

withdraw rudder stocks and renew bushes, sleeves,<br />

repair rudder journals and restore to design<br />

clearances. Details of bushes and sleeves as<br />

below.<br />

(i) Bushes: Mat ­ GM BS 1400, LG 3C; Length ­ 260<br />

mm; ID ­ 122 mm; OD ­ 152 mm<br />

(ii) Sleeves: Mat ­ Phosphor Bronze BS 1400­PB<br />

1C; Thickness­ 6 mm; ID ­ 110 mm, Length­480<br />

mm; shrunk fitted<br />

Activity Description<br />

(i) Inspect the rudder stock journal and rudder<br />

bushes check the ovality and taper<br />

(ii) Rectify the defect and restore the <strong>in</strong>itial<br />

clearances. Align the rudder bushes if required. IRS<br />

should be witnessed the forg<strong>in</strong>g of material.<br />

02 1 ­ 3 3<br />

02<br />

1 2<br />

02<br />

1 2<br />

3 3/4<br />

3 3/4<br />

DYT/INCOD/12­13/106(a)/PL­YCM/MADHUR­REFIT/420 88/127

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