TM 5-6115-465-34
T0 35C2-3-446-2
NAVFAC P-8-625-34
TM 06858B/06859D-34
Section IV.
LOAD BANK
(8) Inspect back plate and chassis for cracks,
8-20.
GENERAL.
corrosion, warping and other damage.
The load bank is used to apply up to 50 percent of
(9) Check all hardware for crossed, stripped,
the generator rated load to prevent carbon buildup
and otherwise damaged threads.
in the engine due to light loads. It is a balanced
three phase, air cooled, resistive load which may be
operated at either 120/208 or 240/416 volts. Gen-
(10) Replace all defective parts and parts
damaged beyond repair.
erator load is selected through the load selector
switch in increments of 12.5 percent rated genera-
d. Assembly. Assemble load bank control box
tor load.
assembly in reverse order of disassembly procedures.
8-21.
CONTROL BOX ASSEMBLY.
e. Installation. Refer to the Operator and
a. Removal. Refer to the Operator and Organi-
Organizational Maintenance Manual for load bank con-
trol box assembly installation procedures.
zational Maintenance Manual for control box assem-
bly removal procedures.
8-22.
LOAD BANK HOUSING.
b.
Disassembly.
a. Removal. Refer to the Operator and Organi-
zational Maintenance Manual for load bank housing
(1) Remove load selector switch, circuit
removal instructions.
breaker, and indicator light as instructed in the
Operator and Organizational Maintenance Manual.
b.
Disassembly.
(2) Complete disassembly of control box as-
(1) Remove control box assembly (paragraph
sembly by following the ascending sequence of index
numbers (1 through 22) assigned to figure 8-14.
(2) Remove heater strips, thermostat and
c. Cleaning, Inspection, and Repair.
terminal board as outlined in the Operator and Organi-
zational Maintenance Manual.
(1) Clean all electrical parts with filtered
compressed air and a soft bristle brush. If neces-
(3) Complete disassembly of load bank housing
sary, remove caked deposits with a clean, lint-free
by following the sequence of index numbers (1 through
cloth moistened with an approved solvent.
10) assigned to figure 8-17.
(2) Clean chassis and back plate with dry
c.
Cleaning, Inspection, and Repair.
cleaning solvent (Federal Specification P-D-680)
and dry thoroughly.
(1) Clean housing in dry cleaning solvent (Fed-
eral Specification P-D-680) and dry with compressed
(3) Inspect load sensing module for cracks,
air.
corroded terminals, and burns or other evidence of
shorting.
(2) Refer to the Operator and Organizational
Maintenance Manual for wiring harness cleaning,
(4) Inspect mode selector switch for cracks,
inspection, and repair procedures.
corrosion and other damage. Check switch continuity
using an ohmmeter.
(3) If the wiring harnesses have sustained
damage and require repair or rebuild, refer to figures
(5) Inspect transformer for cracks, corro-
sion and burns or other evidence of shorting. Using
cation of material requirements and Appendix A refer-
an ohmmeter, check transformer coils for continuity.
ences for detailed soldering and replacement proce-
dures.
(6) Refer to the Operator and Organizational
Maintenance Manual for wiring harness cleaning,
(4) Inspect housing assembly for cracks, breaks,
inspection, and repair procedures.
warping and other damage. Replace housing assembly
if damaged beyond repair.
(7) If the wiring harnesses have sustained
damage and require repair or rebuild, refer to fig-
d. Assembly. Assemble load bank housing in re-
ures 8-15, 8-16 or 8-17 as required, for layout,
verse order of removal procedures.
identification of material requirements and Appendix
e. Installation. Refer to the Operator and Organi-
zational Maintenance Manual for load bank housing in-
procedures.
stallation instructions.
8-25
