Unit AEF11

K1 	Describe the specific safety precautions to be taken whilst carrying out the
detail assembly operations (including any specific legislation, regulations or
codes of practice relating to the activities, equipment or materials)


K2 	Describe the hazards associated with producing aircraft detail assemblies,
and with the tools and equipment used (such as use of power tools, trailing
leads or hoses, damaged or badly maintained tools and equipment), and how
they can be minimised


K3 	Explain the importance of working to the assembly instructions and
appropriate specifications


K4 	Explain the importance of identifying the components to be used (e.g.
component identification systems, codes used and component orientation
indicators)


K5 	Describe the preparations to be undertaken on the components prior to fitting
them into the assembly


K6 	Describe the assembly methods and procedures to be used, and the
importance of adhering to these procedures


K7 	Describe the methods used to hold the components in their correct position
prior to securing them with the appropriate fasteners


K8 	Describe the various mechanical fasteners that will be used, and their
method of installation (including open and blind rivets, threaded fasteners,
special securing devices)


K9 	Describe the importance of using the specified fasteners for the particular
assembly, and why they must not use substitutes


K10 	Explain what to do if the components or fastening devices are not assembled
correctly, are damaged, or have other faults


K11 	Explain why they must obtain design approval before removing and replacing
faulty fasteners


K12	Describe the application of sealants and adhesives within the assembly
activities, and the precautions that must be taken when working with the
various adhesives and sealants


K13 	Describe the purpose and use of joint sealing agents and anti-electrolysis
barriers, and the precautions to be taken when using them


K14 	Describe the quality control procedures to be followed during the assembly
Operations


K15 	Explain the importance of conducting the necessary checks to ensure the
accuracy and quality of the assemblies produced


K16 	Explain how and why tools are calibrated, and how to check that the tools
they are using are within calibration dates


K17 	Explain the importance of using all tools in the correct manner and within
their permitted operating range


K18 	Explain the importance of ensuring that the completed assembly is free from
dirt, swarf and foreign objects


K19 	Describe the problems that can occur with the detail assembly operations,
and how these can be overcome