SCREWDRIVERS

1
SCREWDRIVERS PLIERS
2
SCREWDRIVERS PART NAMES
TIP
SHANK
HANDLE
3
SCREWDRIVERS PURPOSE

• USED TO TURN (DRIVE) SCREWS AND SMALL FASTENERS
• SHOULD NOT BE USED TO CHISEL WITH
• SHOULD NOT BE USED TO PRY WITH

4
QUESTION 10 SAFETY TEST

• When I am using hand tools, I will observe at
  least these three safety rules to prevent injury
  to me or someone else.
• Use the tool as it was intended to be used

RESULT OF USING SCREWDRIVER AS A PRY BAR. BENT
SHANK.
5
SCREWDRIVER SAFETY

• USE A VICE TO HOLD SMALL PARTS
• KEEP HANDS AND FINGERS BEHIND TIP
• USE AS INTENDED

6
SCREWDRIVERS TYPES

• PHILLIPS
• FLAT (STANDARD)
• CLUTCH HEAD
• NOT USED MUCH ANY MORE

7
PHILLIPS SCREWDRIVER
WORKS WELL WITH WOOD AND\OR UPHOLSTERY
8
FLAT SCREWDRIVER
9
SCREWDRIVER VARIATIONS
10
OFFSET SCREWDRIVERS
11
OTHER SCREWDRIVERS
12
SCREWDRIVER MAINTENANCE

• KEEP CLEAN
• INSPECT TIPS FOR DAMAGE OR WEAR
• FLAT TIPS CAN BE GROUND ON CHEAP SCREWDRIVERS
• GOOD QUALITY WILL REPLACE FOR FREE
• INSPECT HANDLES FOR DAMAGE
• INSPECT SHANKS FOR STRAIGHTNESS

13
SCREWDRIVER PRICES
2000 PRICE WAS 30
14
PLIERS
15
PLIERS PART NAMES
PIVOT
JAWS
HANDLES
16
JOB SHEET 1 STEP 5
BREATHER TUBE
17
PLIERS PURPOSE

• EXTENSIONS OF OUR FINGERS
• HOLD HOT THINGS
• GRIP THINGS WITH MORE FORCE THAN FINGERS
• KEEP FINGERS AWAY FROM DANGER
• EXTEND OUR FINGERS
• CUT OBJECTS
• BEND OBJECTS

18
IMPROPER USE OF PLIERS
ROUNDS OFF THE CORNERS OF BOLTS OR NUTS. PROPER
WRENCH OR SOCKET WONT FIT PROPERLY WITH ROUNDED
CORNERS
19
IMPROPER USE CONTINUED

• ONLY USE HANDS TO GRIP HANDLES
• DONT USE CHEATERS ON HANDLES
• DONT SQUEEZE HANDLES IN VICE

20
PLIERS SAFETY

• KEEP FINGERS OUT OF JAWS
• KEEP FINGERS AWAY FROM PIVOT
• USE AS INTENDED

21
VARIATIONS OF PLIERS
22
JOB SHEET 1 STEP 31
23
JOB SHEET 1 STEP 34
JAWS OF PLIERS
OVER EXPANDED BROKEN OUCH!
PISTON RING
24
SNAP RING PLIERS
25
PLIERS MAINTENANCE

• LIGHT OIL ON PIVOT
• KEEP CLEAN
• INSPECT JAWS FOR DAMAGE

26
SCREWDRIVERS PLIERS

• QUESTIONS?

27
(No Transcript)
28
EXTERNAL SNAP RING
LOOK AT THE PIVOT POINT
WHEN YOU SQUEEZE THE HANDLES, WHAT WILL THE JAWS
DO? ? ?
29
INTERNAL SNAP RING
LOOK AT THE PIVOT POINT AND PLIERS AGAIN.
WHEN YOU SQUEEZE THE HANDLES ON THESE, WHAT WILL
HAPPEN TO THE JAWS?
30
BOTH INTERNAL EXTERNAL SNAP RING PLIERS
INTERNAL
HANDLES OPEN
HANDLES CLOSED