Doosan P185WJD-D75 Operating & Maintenance Manual Download

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Operating & Maintenance Manual

Noise Emission

Book: 46490694 (03-2010) Rev A

A. Compressed Air Leaks

Correct all compressed air leaks during the
first shutdown period after discovery. If
severe enough to cause serious noise
problems and efficiency loss, shut down
immediately and correct the leak(s).

B. Safety and Control Systems

Repair or replace all safety and control
systems or circuits as malfunction occurs. No
compressor should be operated with either
system bypassed, disabled, or
nonfunctional.

C. Acoustic Materials

In daily inspections, observe these materials.
Maintain all acoustic material as nearly as
possible in its original condition. Repair or
replace all sections that have: 1) sustained
damage, 2) have partially separated from
panels to which they were attached, 3) are
missing, or have otherwise deteriorated due
to severe operating or storage conditions.

D. Fasteners

All fasteners such as hinges, nuts, bolts,
clamps, screws, rivets, and latches should be
inspected for looseness after each 100 hours
of operation. They should be retightened,
repaired, or if missing, replaced immediately
to prevent subsequent damage and noise
emission increase.

E. Enclosure Panels

Enclosure panels should also be inspected at
100 hour operational intervals. All panels that
are warped, punctured, torn, or otherwise

deformed, such that their noise containment
function is reduced, should be repaired or
replaced before the next operation interval.
Doors, access panels, and hatch closures
especially, should be checked and adjusted
at this time to insure continuous seating
between gasket or acoustic material and the
mating frame.

F. Air Intake and Engine Exhaust

Engine and compressor air intake and
engine exhaust systems should be inspected
after each 100 hours of operation for loose,
damaged, or deteriorated components.
Repairs or replacements should be made
before the next period of use.

G. Cooling Systems

All components of the cooling system for
engine water and compressor oil should be
inspected every 250 hours of use. Any
discrepancies found should be corrected
before placing the unit back in operation.
Unrestricted airflow over the radiator and oil
cooler must be maintained at all times during
operation.

H. Isolation Mounts

Engine/airend isolation mounts should be
inspected after each 250 hours of operation.
Those mounts with cracks or splits in the
molded rubber, or with bent or broken bolts
due to operation or storage in severe
environments, all should be replaced with
equivalent parts.

I. Engine Operation

Inspect and maintain engine condition and
operation as recommended in the manuals
supplied by the engine manufacturer.

J. Fuels and Lubricants

Use only the types and grades of fuels and
lubricants recommended in the Ingersoll-
Rand Company and Engine Manufacturer’s
Operator and Maintenance Manuals.

Maintenance Schedule

Item

Area

Period

A.
B.
C.
D.
E.
F.
G.
H.
I.
J.

Compressed Air Leaks
Safety and Control Systems
Acoustic Materials
Fasteners
Enclosure Panels
Air Intake & Engine Exhaust
Cooling Systems
Isolation Mounts
Engine Operation
Fuels & Lubricants

As Detected
As Detected
Daily
100 hours
100 hours
100 hours
250 hours
250 hours
See Operator’s Manual
See Operator’s Manual