TEST AND ADJUST FUEL QUANTITY INDICATOR USING PSD 60-1AF FUEL QUANTITY
Adjust COMP vernier (V-1) until LCD display
reads 486.4 pf (Figure 15).
Rotate tester FUNCT switch (S-2) to SIM TU &
Disconnect cable 300W7 from right MAIN tank
connector 057W2 at access panel 114PS518.
Connect PSDAF-106 "T" cable (Figure 10) (J-2)
to 300W7 plug disconnected above. DO NOT
connect (P-2) to tank connector.
Disconnect 300W4 from RIGHT FWD AUX tank
connector 057W1 at access panel 114PS518.
Connect PSDAF-106 "T" cable (Figure 10) (J-1)
to 300W4 plug disconnected above. DO NOT
connect (P-1) to tank connector.
Rotate Fuel Quantity Select switch in cockpit to
TOTAL (Figure 16).
Slide Fuel Quantity Indicator out of instrument
panel in cockpit (Task 8-97).
To identify trimmer adjustments (Figure 17).
Connect and power AGPU (TM 55-1730-229-12),
or turn ON aircraft APU (Task 15-1.5).
Adjust "E" trimmer marked "T" for Total Fuel until
digital total fuel indication reads "0000".
Verify that dial indication (pointer) is out of sight.