Page 399 - Reciprocating Compressors Operation Maintenance
P. 399
384 Reciprocating Compressors: Operation and Maintenance
Where lubricating oil is present in the compressor discharge, an
aftercooler should be installed in the final compressor discharge
line. It should be mounted as close as possible to the compressor.
When installing a new compressor, it is essential to review the
total plant air system. The use of plastic or carbonic bowls on line
filters without metal guards can be hazardous.
A pressure relief valve must be installed in the discharge piping
between the compressor and any possible restriction, such as a
block valve, check valve, aftercooler, or air dryer. Failure to install
a pressure relief valve could result in overpressure, pipe rupture,
damage to the compressor, and personal injury. Refer to instruction
book for specific information.
On belt driven compressors, a belt guard, conforming to OSHA,
state, and local codes, shall be installed by the user.
Those responsible for installation of this equipment must provide
suitable grounds, maintenance clearance, and lightning arresters for
all electrical components as stipulated in OSHA 1910.308 through
1910.329.
When a receiver is installed, it is recommended that occupational
safety and health standards as covered in the Federal Register Vol-
ume 36, Number 106, Part II, Paragraph 1910.169 be adhered to in
the installation and maintenance of this receiver.
All electrical installation must be in accordance with recognized
electrical codes. Before working on the electrical system, be sure
to cut off the electrical supply from the system by use of a manual
disconnect switch. Do not rely on the starter to cut off the electri-
cal supply.
Before starting the compressor, its maintenance instructions must
be thoroughly read and understood.
Do not remove the covers from the compressor while the unit is
in operation. Severe injury from moving parts can result.
Compressed air and electricity can be dangerous. Before doing
any mechanical work on the compressor:
FIGURE 7-2. Safety precautions.
