TM 55-1520-240-23-7
8-80.5.1
TEST AND ADJUST FUEL QUANTITY INDICATOR USING PSD 60-1AF FUEL QUANTITY
TEST SET
(Continued)
8-80.5.1
43.
Rotate FUNCT switch (S-2) on tester back to
SIM TU ONLY.
44.
Adjust "E" trimmer, if necessary, until gauge
pointer reads 0 lb.
45.
If calibrating TOTAL FUEL function of gauge,
proceed to PART II of this procedure.
46.
In cockpit, pull FUEL QTY IND (No. 1 PDP) and
FUEL QTY XFEED CONTROL (No. 1 PDP)
circuit breakers.
47.
Replace gauge in instrument panel. Refer to
Task 8-80.5, step 12.
48.
At refueling panel, replace gauge in panel. Refer
to Task 8-80.5, step 12.
49.
Disconnect PSDAF-106 "T" cable from aircraft
wiring, and from tester (Figure 10).
50.
Reconnect aircraft wiring harness 300W7 to
MAIN tank wall connector 057W2.
51.
Turn tester OFF. Disconnect ground lead and
place in lid of tester.
8-238