7.2 Care and Control of Tools Flashcards
Who is responsible for the maintenane of their own personal common hand tool set, and company specialised tools?
The maintenance engineer
What are the majority of tools made of, and what are they susceptible to?
Alloy steel, they are susceptible to corrosion
How do we prevent corrosion on tools?
Add a corrosion-resistant finish, sealed mechanisms are also provided by the manufacturer
What must be carried out to prevent corrosion?
Regular cleaning and re-lubrication
When is it recommended that tools are cleaned?
Periodically, if required, and after working in areas where they have been exposed to corrosive materials
What basic cleaning can be done to remove dust and dirt?
Using a stiff brush or a rag
What can cleaning fluids be used to remove?
-Grease
-Paints
-Other hard to remove materials
What should you do after cleaning to prevent corrosion and reduce wear?
Use a suitable lubricant
How often should tools not regularly used be cleaned and re-lubricated
After every use, or in a schedule if they have not been used for some time
How should metal benches be cleaned?
With an oiled rag
How should plain wooden benches be cleaned?
With a stiff brush
What should be on the bench when drilling or punching and why?
A piece of hardwood or a steel block, to prevent pieces of metal (swarf) from becoming embedded in the bench surface and scratching the material
What needs to be regularly inspected in portable benches?
Check all fasteners are tight and the bench is sturdy
What should you do to vices to maintain them?
- Wiped over frequently with an oily rag
- moving jaw should be pulled out fully to permit lubrication of the screw bearings and thread
- Jaw-insert screws and bolts securing it to the bench should be checked and retightened if necessary
- Vice handle needs to be kept corrosion free so it may slide when in use
What should be done to drilling machines?
- Cleaned
- Inspected
- Regularly lubricated
- Lubricate clamping screws (need to be slackened to do so)
What should be kept on the drilling table and why?
A piece of hardwood to protect the machined face when drilling metals
What must grinding machines be kept free from?
Abrasive dust
What must be done to maintain a grinding machine?
- Bearing should be lubricated regularly
- Prevent oil or grease coming into contact with the grinding wheels
- Abrasive dust should be carefully removed following each operation
Where should precision measuring instruments be stored?
In there own dedicated protective cases (if provided)
Where should precision measuring instruments never be left?
Unprotected on workbenches or toolboxes where they can be damaged
Where should drill bits be kept?
In a drill bit stand when not being used
Where should reamers be kept?
In partitioned boxes or laid in grooved trays for the various sizes of reamers
Who is responsible for tool control?
Everyone working on aircraft using tools
What must be done when a tool is missing?
Supervisor must be informed and a thorough search must be conducted to account for all tools at the end of a shift or working day
