T O 35C2-3-442-2
6-118. 400 HERTZ ELECTRONIC
COMPONENTS ASSEMBLY (A6) .
tag, then disconnect wiring to the permis-
sive paralleling relay. Remove the four
6-119. ON EQUIPMENT TEST.
screws securing the relay in position.
a. Symptom and Isolation of Malfunction.
6-116. BENCH TEST.
A malfunction of the electronic component
assembly (A6) usually is indicated by an un-
a. Connect the permissive paralleling
stable generator frequency or by loss of
relay to the test equipment as illustrated
Exercise extreme care not to touch
exposed electrical connections when
working inside mode II relay box
Remove cover from mode II relay
box to gain access to the test
1. To check for cause of unstable
Figure 6-30. Permissive Paralleling
set to the R x 10,000 scale, to capacitor
relay (K16) test set up
and slowly rise to infinite resistance. If
capacitor C1 does not meet the above re-
quirements, the capacitor is defective.
b. With switches S1 and S2 open, energize
variable voltage supply and adjust to 15 VAC.
Close switches S1 and S2. Indicator DS1
2. To check for lack of frequency
should energize and DS2 should de-energize.
control, measure the resistance of resisters
c. Decrease voltage of variable voltage
ohms 1 percent, if not, the resistors are
supply until indicator DS1 de-energizes. The
voltage should be 8 1 VAC.
d. If the permissive paralleling relay does
tag, then disconnect wiring to the electronic
not meet the requirements of the above tests,
components assembly. Remove the three
replace the relay.
screw assemblies securing the assembly in
e. Remove the permissive paralleling
relay from the test equipment.
6-120. BENCH TEST.
6-117. INSTALLATION. Refer to figure
6-22 and install the permissive paralleling
relay in the mode II relay box. Secure the
relay in position with four screw assemblies,
tronic components assembly for values as
wiring. Replace mode II relay box cover.