EASA PART 66 Module 7 Maintenance Practices Part 4,Fit and clearance,electrical cables and connectors and riveting

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.