P-8-627-34
T O 35C2-3-442-2
TM-07464A-35 TM 5-6115-457-34
NOTE
a. Repair cracks by welding.
b. Straighten dented or distended parts
Dummy load kit wiring diagram is
using suitable tools.
contained in the Operator and Organi-
c. Remove damaged paint. Blend in
zational Maintenance Manual.
edges, prime, and paint damaged areas.
d. Repair damaged harnesses as speci-
c. Refer to figure 13-2 and 13-3 and
fied in figure 13-2 or 13-3.
check each harness wire for continuity.
13-7. WIRING HARNESS REBUILD.
Check harness wires for loose terminal
lugs and defective installation.
a. Rebuild dummy load
kit
right side
wiring harness as specified
in
d. A quick test of heater elements may be
b. Rebuild dummy load
kit
left side
accomplished without disassembly of dummy
wiring harness as specified
in
load bank. Measure resistance between
13-8. REASSEMBLY.
terminal points 1, 7, 13, 19, 25, 31, 37,
43, 49, 55, 61 and 67 to neutral lead LO
Refer to figure 13-1 and reassemble
on dummy load bank terminal board.
dummy load kit in the reverse order of in-
Resistance valves should be approximately
dex numbers assigned. Pay particular
(1.75 ohms 120/208 voltage connection or
attention to the following:
(7 ohms 240/416 voltage connections). Re-
a. Install end panels (67, 68, and 69)
fer to figure 1-31.
on frame (70).
b. Position wire harnesses (52 and 53)
WARNING
on frame (70) and secure with clamps (51)
screws (50) and nuts (49).
Do not touch heater elements during
c. Reassemble control box as specified
test and permit elements to cool
prior to removing test equipment.
d. Install control box (63), fire wall (61),
e. Test resistance of each heater ele-
and panel (62) on frame (70). Connect wire
ment, resistance should be 11 to 14 ohms.
harnesses (52 and 53) to control box com-
Test each heater element by connecting a
ponents. Install control box cover (57) on
120 VAC; 50, 60, or 400 hertz power supply
control box assembly (63).
a n d a 0 - 10 ampere AC ammeter to heater
NOTE
element terminals. Turn on power supply,
Dummy load kit wiring diagram is
heater element should draw 8.3 amperes.
contained in the Operator and Organi-
Remove test equipment.
zational Maintenance Manual.
f. Inspect fire wall for deterioration,
e. Install heater elements (33) and leads
cracks, and damaged ends.
(28). Leave screws (32) at center frame
loose to permit expansion and travel of
g. Inspect paint for deterioration,
heater elements (33). Check wiring for
cracks, and damaged ends.
proper connection.
13 -6. REPAIR.
f. Install end panels (23, 24, and 25),
WARNING
channels (18 and 19), side panels (17), and
Welding operations produce heat,
cover assembly.
highly toxic fumes, injurious
13-9. INSTALLATION.
radiation, metal slag and air-
borne particles. Welding gog-
Refer to Operator and Organizational
gles, with proper tinted lenses,
Maintenance Manual and install dummy load
apron or jacket and welder's
kit.
boots are required.
13-5
Change 8
