This chapter provides information for indentifying and correcting malfunctions that you may find while
operating and maintaining the semitrailer.
The Troubleshooting Index (WP 0008) lists common malfunctions that may occur and refer you to the
If you are unaware of the location of an item mentioned in troubleshooting, refer to (WP 0002)
Before performing troubleshooting, read and follow all safety instructions found in the warning summary
at the front of this manual.
These chapters cannot list all malfunctions that may occur, nor all tests or inspections and corrective
actions. If a malfunction is not listed, or is not corrected by the listed corrective actions, notify Field
Maintenance or Supervisor.
When troubleshooting a malfunction:
Locate the symptom or symptoms in (WP 0008) that best describes the malfunction. If the
appropriate symptom is not listed, notify Field Maintenance or Supervisor.
Turn to the page in (WP 0008) where the troubleshooting procedures for the malfunction in
question are described. Headings at the top of each page show how each troubleshooting
procedure is organized: Symptom, Malfunction, and Corrective Action.
Perform each symptom in the order listed until the malfunction is corrected and the item being
inspected is operational. DO NOT perform any maintenance task unless the troubleshooting
procedure tells you to do so.
EXPLANATION OF COLUMNS
SYMPTOM. A visual or operational indication that something is wrong with the equipment.
MALFUNCTION. Equipment defect that may cause the symptom.
CORRECTIVE ACTION. A procedure to correct the problem.
END OF WORK PACKAGE