OPERATION & MAINTENANCE MANUAL SWE215F
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.
1.4.7 Avoiding Heating near Pressure Oil Pipes
Warning: Heating around hydraulic pressure pipe
will cause flammable spray causing serious scald to
yourself or bystanders.
Do not carry out any welding, gas welding, gas cutting
or heating operation around hydraulic pressure pipe or
other flammable material.
While heat power is beyond the working area, the
pressure pipe may be cut off at any time. Prior to
welding or gas cutting, the fireproofing covers should
be placed temporary to protect the pressure pipe or
other materials.
1.4.8 Removing Paint Before Welding or Heating
Paints might be heated during welding or gas cutting
operation and generate harmful gases. Inhaling these gases
may cause nausea.
Avoid generating any potential harmful gas and dust.
Carry out painting operation outdoor or in ventilating
area. Dispose of paint solvent properly.
Remove paints prior to welding or heating operation.
When using grinder or sand paper to remove paints,
always wear proper inhaler to avoid inhaling dust.
In case of removing paints with solvent, use soap to
remove solvent prior to welding as well as to clear all
solvent and its container or other flammables. Offer at