T O 35C2-3-442-2
P-8-627-34
TM-07464A-35 TM 5-6115-457-34
Section II. CONTROL BOX
13-10. GENERAL.
b. Perform test specified in table 13-1.
13-14. DISASSEMBLY. Refer to figure
Control Box. The control box con-
a.
tains the operating controls of the dummy
13-6 and disassemble load dumping relay
load kit. The box incorporates a harness,
to the extent necessary to effect repair as
follows :
load selector switch, load removal
switch, voltage change terminal board,
load dumping relay, transformer, diodes,
a. Remove relay, relay socket, and
terminal strip by removing screws, wash-
r e s i s t o r s , capacitors, relay, transistors
and contractors.
ers, and nuts.
WARNING
b. Load Dumping Relay (K5). The
Avoid breathing fumes generated by
relay contains controls necessary to
unsoldering/soldering. Eye pro-
automatically remove dummy load kit from
tection is required.
operation when the automatic load removal
b. Unsolder components from their
switch is positioned to ON. With the switch
connection points exercising care not to
in the ON position the dummy load kit is
apply excessi ve heat to components.
removed from operation when the genera-
tor set load exceeds 50 percent, After
13-15. CLEANING. Clean parts with a
automatic load removal the relay must
clean lint free cloth moistened in an approv-
be manually reset by positioning automatic
ed cleaning solvent and dry thoroughly.
load removal switch to BY-PASS RESET.
13-16. INSPECTION.
a. Inspect component side of circuit
13-11. LOAD DUMPING RELAY (K5).
board for damage, burns, di scolored areas,
and signs of overheating. Check components
13-12. REMOVAL. Refer to figure 13-4
for security.
and remove the load dumping relay as
b. Inspect printed circuits of board for
follows :
breaks and damage.
a. Disconnect cover (11) from frame
13-17. REPAIR. Repair printed circuits
(91) by removing screws (9) and washers
by soldering a jumper wire accross defec-
(10).
tive area exercising care not to apply
excessive heat to components. Make sure
b. Tag and disconnect harness (51)
solder joints do not project more than 0.094
wires from load dumping relay (45).
inch beyond surface of board.
13-18. REASSEMBLY. Refer to figure
c. Disconnect load dumping relay (45)
by removing screws (44).
13-6. and reassembly load dumping relay
as follows:
13-13. TEST AND BENCH TEST.
a. Solder components to their connec-
a. Connect test equipment to the load
tion points exercising care not to apply
dumping relay as illustrated in figure 13-5.
excessive heat to components.
13-10
Change 8
