Doosan D50S-5 Operation & Maintenance Manual page 17

Safety Section Safety Section
Fire Extinguisher Fire Extinguisher
Have a fire extinguisher-type BC and 1.5KG Have a fire extinguisher-type BC and 1.5KG
minimum capacity-on rear overhead guard leg with minimum capacity-on rear overhead guard leg with
latch and know how to use it. Inspect and have it latch and know how to use it. Inspect and have it
serviced as recommended on its instruction plate. serviced as recommended on its instruction plate.
Ether Ether
Ether is poisonous and flammable. Ether is poisonous and flammable.
Breathing ether vapors or repeated contact of ether Breathing ether vapors or repeated contact of ether
with skin can cause personal injury. with skin can cause personal injury.
Use ether only in well-ventilated areas. Use ether only in well-ventilated areas.
Do not smoke while changing ether cylinders. Do not smoke while changing ether cylinders.
Use ether with care to avoid fires. Use ether with care to avoid fires.
Do not store replacement ether cylinders in living Do not store replacement ether cylinders in living
areas or in the operator's compartment. areas or in the operator's compa
Do not store ether cylinders in direct sunlight or at Do not store ether cylinders in direct sunlight or at
temperatures above 39°C (102°F). temperatures above 39°C (102°F).
Discard cylinders in a safe place. Do not puncture or Discard cylinders in a safe place. Do not puncture or
burn cylinders. burn cylinders.
Keep Keep ether ether
unauthorized personnel. unauthorized personnel.
Lines, Tubes and Hoses Lines, Tubes and Hoses
Do not bend or strike high pressure lines. Do not Do not bend or strike high pressure lines. Do not
install bent or damaged lines, tubes or hoses. install bent or damaged lines, tubes or hoses.
Repair any loose or damaged fuel and oil lines, Repair any loose or damaged fuel and oil lines,
tubes and hoses. Leaks can cause fires. Contact tubes and hoses. Leaks can cause fires. Contact
your DOOSAN dealer for repair or replacement. your DOOSAN dealer for repair or replacement.
Check lines, tubes and hoses carefully. Do not use Check lines, tubes and hoses carefully. Do not use
your bare hand to check for leaks. Use a board or your bare hand to check for leaks. Use a board or
cardboard to check for leaks. See Fluid Penetration cardboard to check for leaks. See Fluid Penetration
in the Safety Section for more details. Tighten all in the Safety Section for more details. Tighten all
connections to the recommended torque. Replace if connections to the recommended torque. Replace if
any of the following conditions are found. any of the following conditions are found.
End fittings damaged or leaking. End fittings damaged or leaking.
 
Outer covering chafed or cut and wire Outer covering chafed or cut and wire
 
reinforcing exposed. reinforcing exposed.
Outer covering ballooning locally. Outer covering ballooning locally.
 
Evidence of kinking or crushing of the flexible Evidence of kinking or crushing of the flexible
 
part of hose. part of hose.
Armoring embedded in the outer cover. Armoring embedded in the outer cover.
 
End fittings displaced. End fittings displaced.
 
Make sure that all clamps, guards and heat shields Make sure that all clamps, guards and heat shields
are installed correctly to prevent vibration, rubbing are installed correctly to prevent vibration, rubbing
against other parts, and excessive heat during against other parts, and excessive heat during
operation. operation.
rtment.
cylinders cylinders out out of of the the
Tire Information Tire Information
Explosions of air-inflated tires have resulted from Explosions of air-inflated tires have resulted from
heat-induced gas combustion inside the tires. The heat-induced gas combustion inside the tires. The
heat, heat, generated generated
components, external fire, or excessive use of components, external fire, or excessive use of
brakes can cause gaseous combustion. brakes can cause gaseous combustion.
A tire explosion is much more violent than a blowout. A tire explosion is much more violent than a blowout.
The explosion can propel the tire, rim and axle The explosion can propel the tire, rim and axle
components as far as 500 m (1500 ft) or more from components as far as 500 m (1500 ft) or more from
the lift truck. Both the force of the explosion and the the lift truck. Both the force of the explosion and the
flying debris can cause personal injury or death, and flying debris can cause personal injury or death, and
property damage. property damage.
reach reach of of
Do not approach a warm tire closer than the outside Do not approach a warm tire closer than the outside
of the area represented by the shaded area in the of the area represented by the shaded area in the
above drawing. above drawing.
Dry nitrogen (N2) gas is recommended for inflation Dry nitrogen (N2) gas is recommended for inflation
of tires. If the tires were originally inflated with air, of tires. If the tires were originally inflated with air,
nitrogen is still preferred for adjusting the pressure. nitrogen is still preferred for adjusting the pressure.
Nitrogen mixes properly with air. Nitrogen mixes properly with air.
Nitrogen inflated tires reduce the potential of a tire Nitrogen inflated tires reduce the potential of a tire
explosion, because nitrogen does not support explosion, because nitrogen does not support
combustion. Also, nitrogen helps prevent oxidation combustion. Also, nitrogen helps prevent oxidation
and the resulting deterioration of rubber and and the resulting deterioration of rubber and
corrosion of rim components. corrosion of rim components.
Proper nitrogen inflation equipment and training in Proper nitrogen inflation equipment and training in
its use are necessary to avoid over inflation. A tire its use are necessary to avoid over inflation. A tire
blowout or rim failure can result from improper or blowout or rim failure can result from improper or
misused equipment. misused equipment.
Stand behind the tread and use a self-attaching Stand behind the tread and use a self-attaching
chuck when inflation a tire. chuck when inflation a tire.
Servicing, changing tires and rims can be dangerous Servicing, changing tires and rims can be dangerous
and should be done only by trained personnel using and should be done only by trained personnel using
proper tools and procedures. If correct procedures proper tools and procedures. If correct procedures
are not followed while servicing tires and rims, the are not followed while servicing tires and rims, the
assemblies could burst with explosive force and assemblies could burst with explosive force and
cause serious personal injury or death. Follow cause serious personal injury or death. Follow
carefully the specific information provided by your carefully the specific information provided by your
tire or rim servicing personnel or dealer. tire or rim servicing personnel or dealer.
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by by welding welding or or heating heating rim rim