SECTION 8 - Troubleshooting
INTRODUCTION
Trouble shooting for a portable air compressor is an
organized study of a particular problem or series of
problems and a planned method of procedure for
investigation and correction. The troubleshooting
chart that follows includes some of the problems that
an operator may encounter during the operation of a
portable compressor.
The chart does not attempt to list all of the troubles
that may occur, nor does it attempt to give all of the
answers for correction of the problems. The chart
does give those problems that are most apt to occur.
To use the trouble shooting chart:
A.
Find the “complaint” depicted as a bold
heading.
B.
Follow down that column to find the potential
cause or causes. The causes are listed in
order (1, 2, 3, etc.) to suggest an order to
follow in troubleshooting.
Action Plan
A.
Think Before Acting
Study the problem thoroughly and ask yourself these
questions:
(1)
What was the warning signals that preceded
the trouble?
(2)
Has a similar trouble occurred before?
(3)
What previous maintenance work has been
done?
(4)
If the compressor will still operate, is it safe
to continue operating it to make further
checks?
B.
Do The Simplest Things First
Most troubles are simple and easily corrected. For
example, most complaints are “low capacity” which
may be caused by too low an engine speed or
“compressor over-heats” which may be caused by
low oil level.
Always check the easiest and most obvious things
first; following this simple rule will save time and
trouble.
Note:
For troubleshooting electrical problems, refer
to the wiring Diagram Schematic found in Parts List
Section.
C.
Double Check Before Disassembly
The source of most compressor troubles can be
traced not to one component alone, but to the
relationship of one component with another. Too
often, a compressor can be partially disassembled in
search of the cause of a certain trouble and all
evidence is destroyed during disassembly. Check
again to be sure an easy solution to the problem has
not been overlooked.
D.
Find And Correct Basic Cause
(
36
)
Manual P/N 22189203 (01/17/2005)
After a mechanical failure has been corrected, be
sure to locate and correct the cause of the trouble so
the same failure will not be repeated. A complaint of
“premature breakdown” may be corrected by
repairing any improper wiring connections, but
something caused the defective wiring. The cause
may be excessive vibration.
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