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

25 Carbon brushes,
brush holder, Rocker
arms, Spring, Slip
ring, commutator,
collector
components to undertake repair/ overhaul / renewal.
To find out actual faults, deficiencies, worn out,
damage, missing parts.etc.
(iii) After dismantling, check for any play/ wear and
tear in the drum controller, controller, Slip ring,
Brushes, rocker arms, brush holders, main contacts
and associated parts.
(iv) Carbon brushes & Main contacts to be removed
from controller and drum controller. Contactor, slip
ring, commutator, worn out contacts to be cleaned,
polished, petroleum gelly to be applied on main
contacts place.
(v) Main contacts/ slip ring worn out & found beyond
repair to be replaced as per sample. , Check for
insulation, fitment and tightness. Should not create
any humming noise/vibration etc.
(vi) Drum controller / controller , if found
unserviceable, by confirming worn out contacts,
play in the main contacts, main contacts wear and
tear, broken/missing etc. then to be procured from
as per sample & make / OEM make, / manufactured
as per sample. Sample to be approved prior to
fitment. Check quality, type, model, sizes, shape &
as per IS standards/ requirement/ OEM make
(vi) Check for fitment, installation & connection
(vii) Check for cold checks. Then check for on No
load & full load test / operation with system/unit.
(i) Check for serviceability of carbon brushes,
holder, commutator, collector, rocker arms,
(ii) Check for any play/ wear and tear,
damage/missing parts in carbon brushes, holder,
slip ring, commutator, rocker arms.
(ii) Check for worn out of carbon brushes &
live contacts. (iv) (iv) After
dismantled/opened of rocker
1 2&3 3 3
NAVAL DOCKYARD, MUMBAI
TITLE : QUALITY ASSURANCE PLAN DOC CODE Q C L 7 4 Q A P 0 6 3
DEPT. :
QC(ELECTRICAL )
C. NO. 74 ISSUE NO : 00 DATE : 15 Apr 12 PAGE 13 OF 14
Sr.
No.
ACTIVITY
REFERENCE DOCMENT & CHECK LIST INSPECTION
DESCRIPTION
SCOPE OF WORK P R W H
arms, slip ring, commutator, check for worn out
parts to be cleaned, polished, repaired. (v) If found
DYT/INCOD/12­13/106(a)/PL­YCM/MADHUR­REFIT/420 79/127