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DGCA CAR 66 MODULE 7 P4,06. Fits and Clearances. 07. Electrical Cables and Connectors. 08. Riveting

DGCA CAR 66 MODULE 7 MAINTENANCE PRACTICES Part 4
(06. Fits and Clearances. 07. Electrical Cables and Connectors. 08. Riveting.)

7.6 Fits and Clearances 
  • Drill sizes for bolt holes, classes of fits;
  • Common system of fits and clearances;
  • Schedule of fits and clearances for aircraft and engines;
  • Limits for bow, twist and wear;
  • Standard methods for checking shafts, bearings and other parts.




7.7 Electrical Wiring Interconnection System (EWIS)
  • Continuity, insulation and bonding techniques and testing;
  • Use of crimp tools: hand and hydraulic operated;
  • Testing of crimp joints;
  • Connector pin removal and insertion;
  • Co-axial cables: testing and installation precautions;
  • Identification of wire types, their inspection criteria and damage tolerance.
  • Wiring protection techniques: Cable looming and loom support, cable clamps, protective sleeving techniques including heat shrink wrapping, shielding.
  • EWIS installations, inspection, repair, maintenance and cleanliness standards.

7.8 Riveting 
  • Riveted joints, rivet spacing and pitch;
  • Tools used for riveting and dimpling;
  • Inspection of riveted joints.
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