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Hand and Power Tools for construction

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Hand and Power Tools for construction ... – PowerPoint PPT presentation

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Title: Hand and Power Tools for construction


1
Hand and Power Tools for construction
2
Basic tool safety
  • Keep in good condition
  • Right tool for job
  • Inspect tools
  • Operate tools correctly
  • PPE needed

1a
3
Construction tool safety rules
  • Safety
  • Use guards
  • Use PPE

2a
4
Switches on power tools
  • Positive on-off control
  • Momentary contact on-off control
  • Constant pressure switch

3a
5
Hand tools
  • Hazards posed
  • Misuse
  • Improper maintenance

4a
6
Knives and scissors
  • Keep sharp
  • Dull tools-hazardous
  • Use PPE

4b
7
Power tools
  • Electric
  • Pneumatic
  • Liquid fuel
  • Hydraulic
  • Powderactuated

5a
8
General precautions
  • Dont carry by cord
  • Never yank the cord
  • Heat, oil, and sharp edges
  • Disconnect tools
  • Safe distance
  • Secure work

5b
9
General precautions
  • Accidental starting
  • Maintained per manufacturer
  • User's manual
  • Good footing
  • Proper apparel
  • "Do Not Use

5c
10
Guards
  • Point of operation
  • Inrunning nip points
  • Rotating parts
  • Flying chips and sparks

6a
11
Hazards of electric power tools
  • Electrocution
  • Burns
  • Slight shocks
  • Falls

7a
12
Shock protection
  • Threewire cord
  • Double insulated
  • Lowvoltage isolation transformer

7b
13
Hazards of abrasive wheel tools
  • Moving wheel surface
  • Throw fragments
  • Disintegrating during startup

8a
14
Use of abrasive wheel tools
  • Inspect closely
  • Sound or ringtest
  • Use guard
  • Use eye protection
  • Turn off the power
  • Never use a vise

8b
15
Pneumatic tools
  • Compressed air
  • Chippers
  • Drills
  • Hammers
  • Sanders

9a
16
Hazards
  • Struck by attachments
  • Struck by fastener

9b
17
Pneumatic tools
  • 100 pounds per square inch
  • Needs special device
  • Prevent fasteners from ejection

9c
18
PPE
  • Eye protectionrequired
  • Face protection recommended
  • Ear protection depends

9d
19
Air hose safety
  • Fastened securely
  • Prevent disconnection
  • Added safeguard

9e
20
Precautions
  • Same as electric cords
  • Safety clip or retainer
  • Screens and flying fragments
  • Never pointed toward anyone

9f
21
Heavy jackhammers
  • Fatigue
  • Strains
  • Heavy rubber grips

9g
22
PPE
  • Safety glasses
  • Safety shoes
  • Face shield

9h
23
Liquid fueled-powered tools
  • Gasoline most common fuel

10a
24
Fuel vapors
  • Burn or explode
  • Give off dangerous exhaust fumes

10b
25
Proper procedures
  • Handling
  • Transporting
  • Storage

10c
26
Refilling
  • Shut engine down
  • Allow it to cool

10d
27
Ventilation
  • Closed area
  • Effective ventilation
  • PPE

10e
28
Powderactuated tools
  • Operate like a loaded gun
  • Specially trained employees

11a
29
Safety precautions
  • Explosive/flammable atmosphere
  • Inspect
  • Dont point
  • Dont load
  • Dont leave unattended
  • Hands clear

11b
30
Operation
  • Bring the tool into position
  • Pull the trigger
  • Five pound force

11c
31
Misfires
  • Wait 30 seconds
  • Try firing again
  • Wait 30 seconds
  • Remove the load
  • Put in water

11d
32
PPE
  • Suitable eye
  • Face protection

11e
33
Guarding
  • Protective shield/guard
  • Will not fire

11f
34
Varying powder charges
  • Power level
  • Excessive force

11g
35
Defects
  • Tagged
  • Take out of service

11h
36
Applying fasteners
  • Precautions
  • Alignment guide

12a
37
Hydraulic power tools
  • Fluid
  • Correct pressure

13a
38
Jacks
  • Lever/ratchet jacks
  • Screw jacks
  • Hydraulic jacks

13b
39
Safety precautions
  • Stop device
  • Load limit
  • Blocked up
  • Slippage

13c
40
Jack set-up
  • Firm level surface
  • Correctly centered
  • Jack head
  • Lift force

13d
41
Maintenance
  • Inspect
  • Lubricate
  • Abnormal load
  • Antifreeze liquid

13e
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