ISOLATE MALFUNCTIONS TO COMPONENT LEVEL IN COMPRESSORS
Troubleshooting is a systematic method of isolating malfunctions based on
symptoms and their associated probable cause(s). It is intended to reduce the amount
of time normally required to locate maladjustments and defective components. It is also
intended to restore equipment to a serviceable condition.
a. When you isolate malfunctions in the compressor, you use a troubleshooting
guide. Refer to the Compressor/Dehydrator Troubleshooting Guide in the appendix.
Based on the observed problem, the guide gives you a list of probable causes and the
corrective action to take. The troubleshooting guide supplements your experience as
the repairer. As you gain experience isolating malfunctions in the compressor, you will
rely less and less on it. To troubleshoot you:
Match the symptoms to probable causes.
Match the probable causes to corrective measures.
the tool kits described in Lesson 1, paragraph 1-5.
The components selected for inclusion in the subcourse represent a portion of
the total number of components in this piece of equipment. The skills required to isolate
malfunctions to a portion of the components are transferable to isolating malfunctions in
a. The compressor runs, but noises are present. You want to troubleshoot and
isolate the malfunction. Use the following procedures. Refer to the
Compressor/Dehydrator Troubleshooting Guide in the appendix.
(1) Find the symptom you are observing in the SYMPTOM column of the
guide. In this case Symptom #3.
(2) Go to the PROBABLE CAUSE column to find the first probable cause,
Intake, flex hoses not installed properly or cracked.