TM 11-5895-1090-34/TO 31 R2-2TSC-152
CHAPTER 3
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
Section I.
MAINTENANCE INSTRUCTIONS
3-1.
General
procedures contained in the lower level manual.
3-2.
Tools and Test Equipment Required
This chapter contains instructions for the removal and
replacement of faulty components on the front panel
a. Tool Kit, Electronic Equipment TK-105/G
and chassis of the amplifier-mixer. In addition to
removal and replacements of these components, the
direct support maintenance function is responsible for
replacement of panel/chassis mounted components and
repair of shf combiner assembly Al and test and
shf channel assemblies A 1A-AlA4.
b. Torque Wrench O/S- T8438 (NSN 5120-00-
replacement of shf channel assemblies A1A1 thru A1A4.
169-5772).
Instructions for these maintenance functions are
NOTE
covered in TM 11-5895-846-14. The maintenance
functions in this chapter supplement the maintenance
No test equipment is required to
perform direct support maintenance.
Section II. TROUBLESHOOTING
3-3.
Front
Panel
and
Drawer
Mounted
direct support maintenance personnel are listed in table
Components and Wiring
The amplifier-mixer front panel and chassis mounted
components to be checked and replaced (if faulty) by
Table 3-1. Replaceable Fault-Detected Amplifier-Mixer Panel/Chassis Components
Reference
Para
designation
Description
ref
AC POWER circuit breaker
CB1
SHF OUTPUT connector
J5
Power connector
J6
SHF MONITOR meter
M1
STATUS MONITOR meter
M2
ELAPSED TIME meter
M3
CAL ZERO variable resistor
R1
SHF MONITOR switch
S1
STATUS MONITOR switch
S2
Channel select switch
S3
S4
FAULT RESET switch
XDS1
AC POWER indicator lamp socket
FAULT indicator lamp socket
XDS2
LV 0.5 AMP fuse socket
XF1
SPARE FUSE socket
XF2
3-4.
Shf Combiner Assembly A1
3-5.
Mechanical Inspection
Testing of shf combiner assembly A1 is not required at
Prior to performing any troubleshooting or component
direct support maintenance level.
replacement procedures, inspect the components for
loose or missing hardware and frayed or broken
electrical connections.
3-1