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Table 2-2. Direct/General Support Troubleshooting - continued
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TM-55-1730-229-34 Power Unit Aviation Multi-Output GTED Electrical Hydraulic Pneumatic (AGPU) Wheel Mounted Self-Propelled Towable Manual
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Table 2-2. Direct/General Support Troubleshooting - continued

TM 55-1730-229-34
AG 320A0-MME-000
TO 35C2-3-473-2
TM 1730-34/1
Table 2-2.
Direct/General Support Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
HI TEMP LIGHT STAYS OFF, FLUID TEMPERATURE OVER 275°F (continued)
26.
Install new temperature sensor TS4 with new packing.
d.
e. Pressure test manifold (paragraph 8-20).
Reassemble module according to the procedure of paragraph
f.
8-18 starting with step a.
HI TEMP LIGHT ON, FLUID TEMPERATURE BELOW 275°F, HYDRAULIC MODULE OUTPUT
27.
CANNOT BE TURNED ON.
Shut down complete unit and replace temperature sensor TS4:
a.
Disassemble module to gain access to temperature sensor part
(78, figure 8-14) of return manifold. Use procedure of
paragraph 8-16 steps a. through ah.
Remove temperature sensor TS4 (9, figure 8-11) along with its
b.
associated packing.
Ensure that TS4 hole in manifold is clean.
c.
Install new temperature sensor TS4 with new packing.
d.
Pressure test manifold (paragraph 8-20).
e.
Reassemble module according to procedure of paragraph
f.
8-18 starting with step a.
FLUID TEMPERATURE HIGH.
28.
Step 1.
Shut down complete unit.  Ensure that exterior of cooler (heat
exchanger) is free of contamination:
Disassemble module to gain access to exterior of cooler (7,
a.
figure 8-15).  Use procedure of paragraph 8-16 steps a., b.,
c., and g.
Inspect cooler exterior.  If contamination exists proceed
b.
to c. If contamination is not present, go to step 2.
2-15

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