3. SAFETY PRECAUTIONS (GENERAL). It is extremely important for all concerned
to recognize the possibilities of injury when using handtools and measuring tools.
The following safety precautions are included as a guide to prevent or minimize
personal injury:
a. Make certain all tool handles are securely attached before using them.
b. Exercise extreme caution when handling edged tools.
c. Do not use a tool for a purpose other than that for which it was intended.
d. Do not handle tools carelessly-carelessly piling tools in drawers,
dropping tools on hard surfaces, etc, can damage tools. Damaged tools car.
cause
mishaps.
e. Keep your mind on your work so that you do not strike yourself or someone
else with a hammer or sledge.
f. Do not carry edged or pointed tools in your pocket.
g. Always wear goggles when chipping metal and when grinding edges on tools.
h. Hold driving tools correctly so that they will not slip off the work
surface.
i. Use the right tool for the job.
The wrong tool may damage materials,
injure workers, or both.
j. Do not use punches with improper points or mushroomed heads.
k. Do not use a tool that is oily or greasy.
It may slip out of your hand
causing injury.
1. When using jacks, make certain to use blocking or other supports when
lifting a vehicle, in case of jack failure.
m. Make sure work to be cut, sheared, chiseled, filed, etc, is steadied and
secure to prevent the tool from slipping.
n. When using a knife, always cut away from your body, except in the case of
a spoke shave or draw knife.
SECTION II.
COMMON USE HANDTOOLS
4.
NONEDGED HANDTOOLS.
a. General. These tools are termed nonedged handtools because they are not
used for cutting purposes and do not have sharpened or cutting edges. They are
designed to perform operations such as clamping, hammering, twisting, turning,
tightening, pulling, etc.
b. Hammers.
(1) General. The machinist peen hammers are generally used by machine shop
personnel and mechanics. Machinist's peen hammers are made in several styles; the
most common used by mechanics being the ball peen hammer (C, fig 1). The ball peen
hammer has a round ball-shaped head and is used for all general purpose work. They
are classified according to the weight of the head without handle. Other types of
hammers are shown in figures 1 and 2.
2
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