1-27 ACTIVATE ENGINE AFTER STORAGE (Continued)
26. Connect hose (25) from test stand (Ref. TM
55-4920-328-13) to fuel boost pump assem-
27. Disconnect 28V dc to ignition unit. Operate
boost pump to prime fuel system and motor
engine to maximum cranking speed (Ref.
Move power lever (N1) from ground idle posi-
tion to maximum position until solid stream of
fuel (without air bubbles) is seen. At least one
gallon must flow into container. After fuel
system is primed, reconnect 28V dc to ignition
The engine lubrication system is fully
primed when the oil pressure gage shows
a steady positive indication.
If engine is installed in airframe, do step
28. If engine is installed in test stand,
omit step 28.
28. Motor engine to maximum cranking speed
(Ref. TM 55-1520-240-10). Actuate starting
fuel solenoid. Move power lever (N1) from
ground idle position to maximum position un-
til solid stream of fuel (without air bubbles) is
seen). At least one gallon must flow into con-
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