hand and power tools

Hand and power tools

How to identified hand and power tools

Hand tools are tool that are powered manually by hands. These tools work solely on manual labour and need no power source to operate.

Power tools are tools that need additional power source and mechanism to work. These tools required some form of power to operate.

Types of hand and power tools

hand tools 

Flat-head screwdriver- Used to tighten or loosen slotted screws.

Phillips-head screwdriver- Used to tighten or loosen cross-headed screws.

Torx screwdriver- Used to tighten or loosen screws that have a star-like depression on the top, a feature that is mainly found on laptops.

Hex driver- Used to tighten or loosen nuts in the same way that a screwdriver tightens or loosens screws (sometimes called a nut driver).

Needle-nose plier- Used to hold small parts.

Wire cutters- Used to strip and cut wires.

Tweezers- Used to manipulate small parts.

helping hands - is useful for soldering work or any other type of precision work.

Wire stripper- A wire stripper is used to remove the insulation from wire so that it can be twisted to other wires or crimped to connectors to make a cable.

Crimper: Used to attach connectors to wires.

Power tools

Soldering iron - A soldering iron is a hand tool used in soldering. It supplies heat to melt solder so that it can flow into the joint between two workpieces.

reflow gun/heat gun - is used to heat devices and melt solder.

multimeter - is a device to measure electric current, voltage, and usually resistance, typically over several ranges of value.

glue gun -  device that heats up cylindrical canisters of glue, and ejects the hot glue when the trigger is squeezed.

electric screwdriver -  powered screw driver for turning (driving or removing) screws.

How to select the right hand and power tool for the job

Using the right tool is important it make the task less stressful physically. Most tools used in the computer assembly process are small hand tools. When selecting the right tool for the task at hand. Hand tools must be used for the designed purpose. When selecting hand tools choose tools that are comfortable. Choosing a tool of the right size will let you get more working space so you can handle your self better around computer components. Choose tools with a hand grip that will provides good control for precision and accuracy. Using the right tool for any given job simply makes the job easier.

When choosing power tools Use tools that are double-insulated or have a three-pronged cord and are plugged into a grounded receptacle. When choosing power tools select power tool that will not damage computer hardware component in the case of misuse. Choose power tool that you will have a good precision and accuracy when operating.

How to use hand and power tools

When using hand and power tool you should wear the appropriate PPE (personal protective equipment), To protect your self from hazards. Be sure to maintain your tools by performing regular maintenance. Choose the correct tool for the task so if your pulling a screw use a screw driver and not a knife. Be aware of the people around you and make sure they stay clear of the tools you are using. When working on task that require both hands use a helping hand to asses. Use tools for their intended purpose and in the manner intended. Regularly inspect tools to make sure they are in good shape and fit for use. Keep cords from causing a tripping hazard. Be sure to keep good footing and maintain good balance when operating power tools.

Step taken cleaning a hand and power

You can clean most hand tools by simply wiping them down with a rag. If they’re dirty, if they are extremely dirty u can give them a good wash with soap and water. Just dry them well afterward. Spritz metal with a light coat of WD-40 and wipe with a clean rag (you really just want to leave a light film on them to help keep the rust away).

When cleaning power tool first, make sure the tool is unplugged and let it cool before you clean it. Next, you’ll want to get all the dust and excess dirt off. Wipe down the surface of the tool with a dampen rag. But you should also check the manual that came with the tool to see if they have better recommendations in cleaning the tool.

Hazard of hand tools

·         when using knives, or other tools, should direct the tools away from aisle areas and away from other employees working in close proximity.

      Knives and scissors must be sharp, dull tools can cause more hazards than sharp ones.

        Use tool in the task they’re made for.

Dangers of Power Tools

         Never carry a tool by the cord or hose.

        Disconnect tools when not using them.

        Keep all people not involved with the work at a safe distance from the work area.

         Never yank the cord to disconnect it from the receptacle.

         Remove all damaged portable electric tools from use and tag them: "Do Not Use."

         Wear proper apparel for the task. Loose clothing, ties, or jewelry can become caught in moving parts.

          

How to supply power to the tools in work area

There is more than one way to supply power to tools in the work area. There re tools that get their power supply from batteries and there are also tools that get their power from the electrical outlet and others that get their power from air (pneumatic).

Maintenance of hand and power tools

To keep hand and power tool well maintain, always clean your tools immediately after use, keep metal blades sharp, check any nuts, bolts, rivets, screws, blades, and springs regularly for wear or damage, and replace if necessary. Store tools in a dry place, never carry a power tool by its cord or hose, follow instructions in the user’s manual for lubricating and changing accessories.

Reference

Written by Brandon J. Luskin, MD; Reviewed by Todd J Albert, MD. (n.d.). How to Choose and Use Hand and Power Tools to Reduce Risk of Injury. Retrieved November 19, 2017, from https://www.spineuniverse.com/wellness/ergonomics/how-choose-use-hand-power-tools-reduce-risk-injury

Types of hand tools and how to care for them. (n.d.). Retrieved November 19, 2017, from http://www.jsw.org.au/elearning/hortIII/Provide%20information%20on%20plants%20and%20their%20culture/resources/depot/equipment/tool_care.htm

Collier, C. (2017, May 17). 30 Tips for Hand and Power Tool Safety. Retrieved November 19, 2017, from https://vividlearningsystems.com/blog/30-tips-for-hand-and-power-tool-safety

Cisco Press. (2012, March 12). Retrieved November 24, 2017, from http://www.ciscopress.com/articles/article.asp?p=2086239&seqNum=7

(n.d.). Retrieved November 24, 2017, from https://www.osha.gov/Publications/osha3080.html

hand and power tools use in computer repair.

computer activity rates and the important of preparing these before hand.

Computer activity sheet 

this is the jobs and prices offer by a computer repair businesses or a technician along with the time it take to complete the job.

Hardware failure

Job	Details	Price	duration	notes
Laptop computer - supply and replace power socket	n/a	$5000	1-2 hours	n/a
Desktop - power supply failure – supply and replace power supply unit	Supply and replace ATX power supply unit of 500-600 watts	$7500	50min–1 hour	n/a
Desktop - replace hard drive	Hard drive failure. Supply and replace 500Gb hard drive. Reinstall software. Transfer data from old hard drive to new.	$13000	2–4 hours	If data needs recovering (ie it’s not as simple as a straight transfer) then expect this to take longer.

  

Virus or malware removal

Job	Details	Price	duration	Notes
PC - removal of malware (scamware or spyware)	Scan, remove and repair. Assuming a common type of malware.	$3000-$6000	1–4 hours	Typical price and time depend on the severity of the problem.
PC – removal of virus	Scan remove and repair. Assuming most common virus.	$3000-$6000	1–4 hours	Typical price and time depend on the severity of the problem.

  

Accidents

Job	Details	Price	duration	Notes
Laptop – liquid damage/drink spillage	Quote for drying out various parts. Assuming that nothing needs replacing.	$3000-$5000	24 hours+	Parts will need to dry out for at least 24 hours. It’s likely that some parts might need replacing after an accident like this, particularly the keyboard. So be prepared to pay more.
Laptop - supply and replace broken laptop screen	Supply and replace a 15.6 inch screen.	$20000	1–2 hours	These prices include the parts needed but this might vary depending on the make and model of your laptop. Although the actual job should only take an hour or two, if the part is not in stock you might have to wait several days for it to be ordered.

Installations and upgrades

Job	Details	price	duration	notes
PC - install new operating system	Install latest Windows package on a PC 2017 – Windows 10	$3000 for install if Windows 10 supplied $7500 if the repairer supplies Windows 10	1-3 hours	Expect to pay at the lower end of the scale if you provide your own Windows software. Asking the trader to supply software will increase the price. Most traders can supply software, but you might be able to buy it more cheaply yourself elsewhere.
Visit customer’s home to set up a new desktop computer	Set up home PC with standard monitor, mouse, keyboard, printer and wi-fi.	$7000	1–2 hours	This is a basic set up of hardware. Expect to pay more if you want data transferred from an old computer or any software installed.

  

Data and maintenance

Job	Details	price	duration	Good to know
PC - carry out a general service	Machine running slow. Clean up; no faults or upgrades needed.	4000	1-2 hours	n/a
Laptop – transfer all data and reinstall programs from hard drive of old laptop to new laptop	Assuming laptop has 320GB hard drive and is running Windows 10.	$4000	1–2 hours	Typical price and time to complete job depend on how much data there is on the hard drive. Please note you will need to provide the original installation media ie CD / DVD or Internet download to reinstall programs – you cannot take them directly from the old hard drive.

reference 

“Cost Guide: Computer Repair.” Find Trusted & Local Tradesmen - Which? Trusted Traders, trustedtraders.which.co.uk/articles/cost-guide-computer-repair/. 

The important of preparing  before hand.

this will save you a a lot of time, and help you to give your customer a quicker and faster response to jobs and cost available by your establishment, along with the amount of time one task will take to complete and things to bear in mind during the task completion. 

Obtaining Measurement

Battery Types

Lithium-ion (Li-ion)

Small dry cell batteries, sealed, rechargeable

Formats: Custom sizes in hard plastic case, small-cylinder, button cells

Common Uses: Cell phones, laptop computers, power tools, hybrid automobiles, video cameras, hand held electronics

Safety: Non-spillable, non-toxic.

Nickel-Cadmium (NiCd)

Small dry-cell batteries, sealed, rechargeable

Formats: AAA, AA, C, D, small-cylinder, poly-wrapped cell packs, custom sizes in hard plastic case

Common Uses: Cell phones, laptop computers, power tools, hand held electronics, toys.

Lead Acid Gel

Small to medium, dry-cell batteries, sealed, rechargeable

Formats: Rectangular, custom sizes in hard plastic case

Common Uses: Wheel chairs, scooters, golf carts, ride-on electric toys, boats, RVs, military aircraft, portable tools

Alkaline & Carbon Zinc

Small dry-cell batteries, sealed, non-rechargeable, zinc carbon batteries are labeled general purpose or heavy duty

Formats: AAA, AA, C, D, 9-volt, button cells

Common Uses: Cameras, toys, watches, handheld electronics.

Mercury

Description: Small dry-cell batteries, sealed, non-rechargeable

Formats: AA, 9-volt, small-cylinder, button cells, custom sizes

Common Uses: Cameras, medical devices.