OPERATION & MAINTENANCE MANUAL SWE155F
1.4.4 Tips for Using a Hammer
When using a hammer, pins may fly out or metal
particles may be scattered. This may lead to serious
injury, always do as follow.
When using a hammer to hit hard metal parts, say
pins, bucket teeth, cutting edges or bearings. There
involves some hazards that pieces may be scattered
and lead to injury. Always wear goggles and gloves.
When hitting pins or bucket teeth, there may be some
hazards that broken pieces may fly out causing injury
to surrounding persons. Make sure the surrounding
area is off limits to the other people.
When hitting the pins with tough force, there are
some hazards that pins may fly out causing injury to
surrounding people.
1.4.5 Precautions of Welding and Polishing
Welding operation can generate flame and gas.
Operate must be therefore carried out in
well-ventilating area with complete preparation.
Store flammable substance in safe place prior to
welding operation.
Use only qualified person to carry out welding
operation, never allow any unqualified personnel to
carry out welding operation.
Sparks may occur during grinding. Place flammables
in safe place prior to grinding operation.
With welding and grinding operation is made, recheck
worksite and its surrounding area for any abnormal
signs e.g. spark, smoke etc.
1.4.6 Avoiding Heating Pipes Containing Flammable Liquids
Do not carry out welding or gas cutting operation to
any pipelines containing flammable liquids.
Use non-flammable solvent to remove all flammable
liquids prior to welding or gas cutting.
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