This section provides troubleshooting instructions for the
TUNABLE COUPLER PROCEDURES.
Troubleshooting of the tunable coupler consists of a series of
checks that verify that all components function properly. The
procedures assume that system-level troubleshooting by organizational
maintenance personnel has been performed as given in TM 32-5865-012-20
to isolate the problem to the tunable coupler. After performing the
general inspection and cleaning procedures in section IV of this
chapter, refer to paragraphs 5-7.1 and 5-7.2 for the troubleshooting
After the problem is isolated, refer to section IV of
this chapter for the appropriate maintenance procedures.
procedure for power supply CCA A1.
Figures 5-2 and 5-3 show component
locations and the test equipment connections, respectively, referenced
in the power supply CCA troubleshooting procedure.
procedure for motor control CCA A2. Figures 5-4 and 5-5 show
component locations and the test equipment connections, respectively,
referenced in the motor control CCA troubleshooting procedure.
MAINTENANCE OF TUNABLE COUPLER
This section provides maintenance procedures that are the
responsibility of general support maintenance personnel.
5-9 contains general inspection and cleaning instructions for the
The subsequent paragraphs contain specific
maintenance procedures applicable to the tunable coupler components
shown in figure 5-6. The procedures reference the components by
Perform both the
parenthetical numbers that are keyed to figure 5-6.
general procedures and the applicable specific procedures.
-- AINTENANCE PROCEDURES.
Remove the top and bottom covers as given in paragraphs 5-10.1
and 5-10.2 and perform the following items.