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

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E­20001 Carryout clean<strong>in</strong>g, polish<strong>in</strong>g and greas<strong>in</strong>g of 02 Nos<br />

propeller post dock<strong>in</strong>g by remov<strong>in</strong>g the secur<strong>in</strong>g<br />

screws from the propeller boss and re­fitment.<br />

E­20002 Carry out metal build up, gr<strong>in</strong>d<strong>in</strong>g and balanc<strong>in</strong>g of<br />

propeller post <strong>in</strong>spection and as per MQC<br />

recommendation.<br />

E­20003 Renew SS lock<strong>in</strong>g p<strong>in</strong> of propeller as per MQC<br />

recommendation.<br />

E­20004 Exam<strong>in</strong>e and Check clearances of both shaft stern<br />

tube bushes, Plummer block Bear<strong>in</strong>gs and ‘A’<br />

brackets bear<strong>in</strong>g of shafts by feeler gauge<br />

(i) Renew stern tube outer oil seal, new­ark type<br />

seal, mat­synthetic rubber and ph. Bronze flanges<br />

(male and female seal<strong>in</strong>g flange)<br />

(ii) Renew stern tube <strong>in</strong>ner side gland hemp<br />

pack<strong>in</strong>g (mat­greased hemp, size­ 1/2 <strong>in</strong>ch sq x<br />

420mm long x 08 no, shaft dia­ 114 mm).<br />

02 Nos<br />

02 Nos<br />

02 Nos<br />

02 Nos<br />

02 Nos<br />

E­20005<br />

If stern tube clearance found beyond permissible<br />

limits, withdraw shaft and stern tube bushes (fwd<br />

and aft) carry out follow<strong>in</strong>g repairs as per<br />

<strong>in</strong>spection and recommendation of MQC (quote<br />

separately). Separately quoted cost will be<br />

<strong>in</strong>cluded for calculation of L1.<br />

(i) Renew stern tube bushes (Mat­ gun metal with 5<br />

mm thick white metal l<strong>in</strong><strong>in</strong>g, 115x147x362 &<br />

114x148x248 mm length) and mach<strong>in</strong>e the bushes<br />

to reduce the clearance with<strong>in</strong> m<strong>in</strong>imum<br />

permissible limits. ( Quote for port and stbd shaft )<br />

02 Nos<br />

DYT/INCOD/12­13/106(a)/PL­YCM/MADHUR­REFIT/420 36/127

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