1. 1 SCREWDRIVERS 3. PROPER USE OF HAND TOOLS B A
Designated by Width(A) X Shaft length(B)
Plain (Slotted screwdriver)
Phillips screwdriver

2. 3. PROPER USE OF HAND TOOLS
Plastic screwdriver for checking ignition
Screwdriver with light
Automatic screwdriver
Impact screwdriver

3. 3. PROPER USE OF HAND TOOLS
1) Handling method
2) Caution items

4. 2 ADJUSTABLE WRENCH 3. PROPER USE OF HAND TOOLS Length(mm)
Adjusting screw
Fixed jaw
Adjustable jaw
Length(mm)

5. 1) Handling method 2) Caution items 3. PROPER USE OF HAND TOOLS
Big load
Fixed jaw
2) Caution items

6. 3 WRENCHES 3. PROPER USE OF HAND TOOLS Single-end wrench
Double-end wrench(same aperture)
Double-end wrench(different apertures)
Offset

7. Tighten by pulling direction
3. PROPER USE OF HAND TOOLS
1) Handling method
Tighten by pulling direction
2) Caution items

8. 4 PLIERS 3. PROPER USE OF HAND TOOLS Thin straight pliers
Thin bentnose pliers
Longnose pliers
Cutting pliers

9. 3. PROPER USE OF HAND TOOLS
1) Handling method
2) Caution items

10. 5 RATCHET HANDLE (WRENCH)
3. PROPER USE OF HAND TOOLS
5 RATCHET HANDLE (WRENCH)
Socket insert part
Ratchet Handle (Wrench)
Gear
Pawl
Lever
Cam

11. 1) Handling method 2) Caution items 3. PROPER USE OF HAND TOOLS Wrong
Correct

12. 6 T-TYPE BOX WRENCH 3. PROPER USE OF HAND TOOLS Grip Universal joint
T-type wrench

13. 3. PROPER USE OF HAND TOOLS
1) Handling method
2) Caution items

14. 7 IMPACT WRENCH 3. PROPER USE OF HAND TOOLS Hammer case Body cover
Changeover lever
Valve lever
Air inlet

15. 8 OFFSET WRENCH Open offset wrench Caution items
3. PROPER USE OF HAND TOOLS
8 OFFSET WRENCH
Open offset wrench
Cut grove
Caution items

16. 9 TIGHTENING TORQUE L F 3. PROPER USE OF HAND TOOLS
Tightening torque = Wrench length (L) X Force applied by the hand (F)
Standard Torque Table

17. 10 TORQUE WRENCH 1) Types 3. PROPER USE OF HAND TOOLS Plate type
Dial type
Preset type

18. Tighten by pulling direction
3. PROPER USE OF HAND TOOLS
2) Handling method
Tighten by pulling direction

19. 11 BOLT AND NUT TIGHTENING TORQUE TABLE
3. PROPER USE OF HAND TOOLS
11 BOLT AND NUT TIGHTENING TORQUE TABLE
Unit : (kgcm)