Page 48 - Mechanic Diesel - TT

MECHANIC DIESEL - CITS

LESSON 05 - 07: Application and safety to be observed

while handling hand tools, special tools,
equipment & machineries Importance

and types of maintenance of vehicles/

engines

Objectives

At the end of this lesson you shall be able to
• explain application and safety while handling hand tools
• explain application and safety while handling special tools, equipments and machineries
• demonstrate inmortance and types of maintenance of vehicle/engines.

Application and safety to be observed while handling Hand tools, special tools, equipment & machineries
Hand tools: Hand tools are instruments that operates manually. Hand tools used for preform specific task. when
there is no external power source, small space for operating machine work or short time work which can easily
perform by workers at this time instruments which is used called Hand tools.
Application of Hand tools: Hand tools have wide range of applications nearly all industries and workshops used
hand tools for construction, woodworking, automotive repair, metal working, electric working and emergency
working when no power tools available etc.

Safety observed while handling hand tools
1 Edges of a square are grounded perfectly.
2 Do not drop down the square.
3 Do not knock the edges of a square against any metal parts.

4 Edges of the blade of try square must be parallel to the stock.
5 For adjusting the caliper, never strike the measuring tip.
6 After use, calipers should be cleaned and kept in separate box.
7 Divider should be handled carefully.
8 Do not sharpen the divider points on grinding wheels.
9 Scriber points are very sharp, so it should be handled very carefully.

10 Do not put the scriber in your pocket.
11 Damaged hammer handles are very dangerous, so beware of them.
12 Mushroom head hammer should not be used.
13 Beware the oil and grease to the face and peen of hammer.

14 Do not strike a hardened surface with hammer.
15 Do not use the screw drivers with defective handles.
16 Hands of work and handle of screwdriver should be dry, while using for electric work.
17 Always use screwdrivers with tips correctly fitted into the screwdriver.
18 Mushroom head chisels must never be used.

19 When using a chisel, goggles and a chip guard must be used.
20 Do not use files as hammer.

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