TB-9-3950-253-13-P

PALLETIZED LOAD SYSTEM TRUCK, M1075 and M1075A1 (PLS) AND HEAVY EXPANDED MOBILITY TACTICAL TRUCK, M1120, M1120A2, AND M1120A4 (HEMTT), ENHANCED CONTAINER HANDLING UNIT (E-CHU)

TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2009

  TB-9-3950-253-13-P - Page 123 of 704

TB 9-3950-253-13&P
0012-1/(2 Blank)
0012
OPERATOR MAINTENANCE
-
OPERATOR TROUBLESHOOTING INTRODUCTION
INTRODUCTION
00012
1. This chapter provides information for identifying and correcting malfunctions which may develop while
operating Enhanced Container Handling Unit (E-CHU).
2. The
Operator Troubleshooting Symptom Index
(WP 0013) lists common malfunctions which may occur and
refers you to the proper page in WP 0014 for a troubleshooting procedure.
3.
If you are unsure of the location or operation of an item mentioned in troubleshooting, refer to
Location and
Description of Major Components
located in WP 0002 or
Description and Use of Operator Controls
(WP 0004).
4.
Before performing troubleshooting, read and follow all safety instructions found in
General Information
(WP 0001),
and in the
Warning Summary
at the front of this bulletin.
5. The
Operator Troubleshooting Symptom Index
(WP 0013) 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 your supervisor.
6. When troubleshooting a malfunction:
a. Locate the symptom or symptoms in WP 0013 that best describe the malfunction.
b. Turn to the page in WP 0014 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:
MALFUNCTION, TEST OR INSPECTION (in step number order), and CORRECTIVE ACTION.
c.
Perform each 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
00012
The columns in the troubleshooting table in WP 0014 are defined as follows:
1.
MALFUNCTION.
A visual or operational indication that something is wrong with the equipment.
2.
TEST OR INSPECTION.
A procedure to isolate the problem in a system or component.
3.
CORRECTIVE ACTION.
A procedure to correct the problem.
END OF WORK PACKAGE
2


Back to Top