TM 55-1520-240-23-7
8-80.5
TEST AND ADJUST FUEL QUANTITY INDICATOR
(Continued)
8-80.5
14.
Calibrate test sets (17 and 18). (Refer to
instructions in test sets.) Restrict calibration to
zero and high.
14.1.
Remove electrical power. Set BATTERY switch
(10) on panel (11) to OFF.
Do not ground units or harness to
aircraft. Instruments can be damaged.
15.
Tag and disconnect connector (19) from
receptacle (20) at forward end of access (21) to
forward left tank (22).
16.
Connect connector (23) of cable (E43) (24) from
test set (17) to receptacle (20).
17.
Connect connector (25) of cable (E43) (24) to
connector (19).
17.1.
Connect connector A (25.1) to COAX receptacle
of test set (17).
17.2.
Connect connector B (25.2) to UNSH receptacle
of test set (17).
18.
Tag and disconnect connector (26) from
receptacle (27) at aft end of access (21).
19.
Connect connector (28) of cable (E43) (29) from
test set (18) to receptacle (27).
20.
Connect connector (30) of cable (E43) (29) to
connector (26).
20.1.
Connect connector A (30.1) to COAX receptacle
of test set (18).
20.2.
Connect connector B (30.2) to UNSH receptacle
of test set (18).
8-224
