Section X ENGINE TESTING (Continued )
GROUND TEST OF ENGINE
INSTALLED IN AIRCRAFT
Fuel Control Unit (FCU) and/or Fuel Pump
check. Check unit as follows:
If fuel control un- it or fuel pump have
been re- placed they must be depreserved as follows:
Remove lock- wire and disconnect
inlet tube (8) from fuel dump valve (9).
Advance power control lever.
Motor engine until clear fuel issues
from dump valve inlet port.
preservation oil and fuel.
Move power control lever back to
Reconnect dump valve inlet tube (1),
torque to 65 to 75 inch-pounds and secure with Lockwire
(2) Carry out motoring run with fuel cut-off lever in
OPEN position to check for fuel system leaks.
(3) With fuel cut off carry out a motoring run to dry
(4) Perform checks No. 1 thru 6 (subparagraphs 1-
94, 2 thru 7).
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