Section IV. UNIT TROUBLESHOOTING
This section provides information for identifying and correcting malfunctions that may develop while operating
or maintaining the trailer.
The Malfunction Index in paragraph 4-14 lists common malfunctions that may occur and refers you to the
proper page in Table 4-2 for a troubleshooting procedure.
If you are unsure of an item mentioned, refer to paragraph 1-8 or the maintenance task where the item is
Before performing a troubleshooting procedure, read and follow all safety instructions found m the Warning
pages at the front of this manual.
This section cannot list all malfunctions that may occur, or all tests, inspections, and corrective actions If a
malfunction is not listed, or is not corrected by listed corrective actions, notify DS maintenance.
When troubleshooting a malfunction:
Question the operator to obtain any information that might help determine the cause of the problem.
Locate the malfunction in the Malfunction Index in paragraph 4-14 that best describes the malfunction.
Turn to the page in Table 4-2 where the troubleshooting procedure for the malfunction in question is
described Headings at the top of each page show how each troubleshooting procedure is organized:
Malfunction, Test or Inspection (in step number order), and Corrective Action.
Perform each Test or Inspection step in the order listed until the malfunction is corrected Do not perform
any maintenance task unless the troubleshooting procedure tells you to do so.
EXPLANATION OF COLUMNS.
The columns in Table 4-2 are defined as follows
Malfunction. A visual or operational indication that something is wrong with the trailer
Test or Inspection. A procedure to isolate the problem in a component or system.
c Corrective Action. A procedure to correct the problem.