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
19.
Identify "E" and "F" trimmers marked "D" for DIAL
indication (Figure 28).
20.
Adjust "E" trimmer marked "D" for DIAL until
pointer on gauge reads 0 lb.
21.
Rotate FUNCT switch (S-2) on tester to SIM TU
ONLY.
22.
Adjust "F" trimmer marked "D" until pointer on
indicator reads "READING IN LB" listed in Table
1.
23.
Rotate FUNCT switch (S-2) back to AIRCRAFT
ONLY.
24.
Readjust "E" trimmer if necessary to make
pointer return to 0 lb.
25.
Turn tester power OFF.
26.
Pull FUEL QTY breaker. Turn OFF aircraft power.
27.
Disconnect "T" cable from tester. Disconnect
tester ground wire from aircraft and tester. Store
in lid of tester.
28.
Reinstall gauge per Task 8-80.5, step 12.
8-250