TB 1-4920-443-35
n. T53/T55/T63 Fuel Boost
(1) Locate pressure switch 2PS in the doghouse on the Fuel Skid. It will be "T"-ed off the T53/T55 fuel
flowmeter lines.
(2) Disconnect the "T"-ed line and connect the high pressure calibrator to the pressure switch.
(3) Apply pressure to 2PS Pressure Switch (Fuel Skid) transducer of 15 PSI 1 on increase. The Fuel
Boost indicator on the Fault Light panel should go out for Fuel Boost ARMY.
(4) If the indicator does not activate, calibrate the pressure switch as follows:
(a) Adjust the pressure switch to go out the ARMY Fuel Boost Indicator (on the Fault Light Panel) on
15 1 psig on increase.
(b) Disconnect the test equipment and re-connect the fuel system. Activate the Fuel Pump and leak
check all connectors. De-activate the Fuel Pump.
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