TM 11-6130-392-34
CHAPTER 3
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
Section I. General
(4) Display circuit assembly, or individ-
3-1. Scope
ual display modules in the assembly (A13).
This chapter contains instructions for fault isolation
b. Power cable (W1).
testing, component replacement procedures, and testing
of the equipment after component replacement for
direct support (DS) maintenance of Battery Charger
PP-7286/U. Illustrations are provided, and tools,
c. Memory battery (B1), lamp (DS1), and fuses (F1
equipment, or materials are specified for batter charger
through F6). Refer to TM 11-6130-392-12, operator and
DS maintenance. Direct support maintenance personnel
organizational maintenance manual, for instructions.
will perform tests and replacements only. Repair of
replaced (faulty) components is limited and will be per-
formed at general support and depot maintenance
levels. This chapter also contains instructions for com-
Direct support personnel are authorized to replace the
ponent removal and replacement for DS maintenance of
following components of the battery charging tray
Battery Charging Tray Assembly MX-10154/U.
a. Connector (J1 J6).
3-2. Direct Support Tests
b. Switch (SW1 SW5).
Direct support personnel will perform tests, as
c. Cover
follows:
d. Banana plug (black).
measurements to isolate faulty printed wiring/
e. Banana plug (red).
board assemblies.
b. Test battery charger performance, after
f . Insulation sleeving.
replacement of faulty components.
g. Cable assembly.
3-3. Direct Support Replacements
h. Cable bushing.
Direct support personnel are authorized to replace the
i.
Machine screw.
following components of the battery charger (fig. 2-2):
j . Threaded insert.
a. Printed wiring/board assemblies:
k. Battery holder.
Charging modules (A6, A7, A8, A9,
(1)
l.
Identification plate.
and A10).
m. Electrical cable.
Power supply assembly (A11).
(2)
n. Electrical wire (red, black, white).
(3)
Timing circuit assembly (A12).
Change 1 3-1