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Manual No. 54771142 (7/01) (
24
) 07/18/01
TROUBLESHOOTING
INTRODUCTION
Troubleshooting 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 trouble shooting.
ACTION PLAN
A. Think Before Acting
Study the problem thoroughly and ask yourself
these questions:
(1) What were the warning signals that preceded
the trouble?
(2) Has similar trouble occurred before?
(3) What previous maintenance work has been
done?
B. Do the Simplest Things First
Most troubles are simple and easily corrected.
Always check the easiest and most obvious things
first; following this simple rule will save time and
trouble.
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
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.
(4) If the compressor will still operate, is it safe
to continue operating it to make further
checks?