Section VI. UNIT MAINTENANCE PROCEDURES
a. This section contains unit level maintenance procedures applicable to CBPS components as
authorized by the Maintenance Allocation Chart, Appendix B to this manual. Refer to TM 9-2320-
387-24-1 for unit level maintenance on the ECV.
b. Remove/disassemble only to the extent necessary to remove or replace defective
assemblies/components. Use standard maintenance shop practices/procedures.
a. Unit level determines which malfunctioning Line Replaceable Unit (LRU) is causing the system to be
inoperable. Unit level replaces the malfunctioning LRU with a serviceable one and makes sure that
the CBPS is operational prior to return to the crew/operator. Those tasks that require excessive time
(over two hours) or tools and skills not found at unit level are sent to Direct Support (DS).
b. The following maintenance actions are included as applicable: adjust, inspect, service, replace and
Read all warnings, cautions, notes and instructions carefully before performing the procedures. In
addition, read and understand all warnings at the front of this manual. The following warning
should be observed whenever working on CBPS electrical equipment.
CBPS contains high electrical currents. To prevent electrical shock when working on
electrical system, ensure that power cable is disconnected from power panel and ECV
batteries are disconnected per TM 9-2320-387-24-1. Tag power panel and battery area with
sign that states that the power must remain OFF while work is being performed.
Remove jewelry and observe all safety rules for working around high voltage.
Hydraulic motors, hoses, tubing and fittings may be hot. Avoid contact to prevent injury to
To prevent injury to personnel, hearing protection is required when system is operating.