SUNWARD SWE20F 2019, Operation & Maintenance Manual

Page: 14 / 104

9
1.31 REMOVE PAINT BEFORE WELDING OR
HEATING

Prevent bringing potential poisonous gas and dust.

When paint is heated up by welding or by other
methods, it will cause poisonous gas.

Remove paint as following methods before welding
or heating up.
Rub out paint with abrasive paper or wheel, during
this work, remember to wear regulated respirator to avoid
inhaling dust.
Rub out paint with solvent or paint remover. After
rubbing out, clean paint remover with soap and water
before welding. Before welding or heating up, volatilize
the paint remover gas at least 15 minutes.

The paint removing work should be operated outdoor
or at well ventilation sites.
1.32 DISPOSE OF LIQUID SAFELY

All fuels, the majority of lubricants, and some
coolants are inflammable. These inflammable liquids
should be stored away from fire, do not permit
stabbing or setting storage case on fire.

Dispose of fuel carefully, stop engine before adding
fuel, prohibit smoking while adding fuel or using
flame near the machine being added fuel. Add fuel at
outdoor site.

Don’t put oil-containing rags on machine to ensure machine is clean.
1.33 DISPOSE OF CHEMICAL SAFELY
Touching deleterious chemical directly will cause serious injury to human body. The
chemical used in excavator, such as lubricant, coolant, dope, and adhesive, may be deleterious.
Before using deleterious chemical, you should check and understand its danger, know how
to operate safely, and use recommended implement to work.
1.34 AVOID FIRE
In order to avoid fire, following methods are necessary.

Check leakage, the leakage of fuel, hydraulic oil and lubricant may cause fire.
Inspect clamps whether lost, damaged or loosened or not, hose twisted or not, attrition
between hose and hard pipe or not, oil cooler damaged or not, and oil cooler connection loosened
or not. Use a piece of cardboard to check leakage, never check leakage with nude hand to
prevent pressured oil from shooting up causing injury.
Tighten, repair, or replace any clamps, pipe, hose, oil cooler, and flange bolt of oil cooler.
Don’t twist or knock on high-pressured pipe.
Don’t assemble twisted or damaged pipeline or hose.

Inspect short circuit. The short circuit of electric system can cause fire.