C14, TM 9-2350-230-12
CHAPTER 10
ORGANIZATIONAL MAINTENANCE-TURRET
AND CUPOLA
WARNING: Before leaving vehicle, make certain that master switch and laser ON/OFF switch are in the
OFF position. This is to prevent accidental automatic alignment of cupola to main weapon (M551A1 only).
Section 10-1. TURRET ELECTRICAL SYSTEMS
c. Refer to figure 10-2 for functional block diagram
10-1. General
of turret electrical systems.
a. This
section
contains
organizational
maintenance instructions for the turret electrical systems
d. The missile subsystem checkout procedure is
which are classified into four categories according to
their respective functions.
e. Vehicles serial numbers 140 through 223 are not
b. Figure 10-1 and table 10-1 identify and classify
equipped with the missile subsystem. Refer to figure 10-
turret electrical components by primary systems.
2. 1 for functional block diagram of electrical components
Maintenance instructions for each unit will be found in
on these vehicles.
the section covering that specific system. Components
housing multiple-system application are classified
CAUTION: Turn master switch off before
according to their primary function.
disconnecting or connecting electrical connectors to
avoid possible arcing.
Section 10-2. ELECTRICAL DRIVE CONTROL SYSTEM
10-2.
General
identification and locational reference of components of
the system.
a. This
section
contains
organizational
maintenance instructions for components of the electrical
d. The electrical drive control system must be
tested and balanced whenever a component of the
system has been replaced. Perform complete system
b. The elevation limit switch assembly is a
test procedures as outlined in figure 10-3 and table 10-3.
component of the drive control system; however, it is
serviced by support maintenance personnel.
10-1