TM 1-1520-240-CL
P-7
Reversionary (if engine does not start in PRI and all other
indications are normal):
1-4.
1. DECU PRE-START BIT — Perform.
2. PRI/REV switch — REV
3. ENG COND Lever — GND.
4. ENG START switch — Start and hold until N1
accelerates to 10 % then release.
5. Engine instruments — Check when stabilized at
ground idle (N1 50 to 60%). Check engine oil
pressure for 5 psi minimum. The engine should
accelerate to ground idle speed within 45
seconds.
6. DECU BIT — Check 88s (if other than 88,
consult DECU Fault Code List/Matrix).
7. FADEC PRI/REV switch — PRI.
Second engine — Start by using the same method as
first engine.
714A DECU START BIT
1. ENG COND levers — Retard 5 degrees.
F 2. DECU display — Check display read 88 (if other
than 88, consutl DECU Fault Code List/Matrix)..
3. ENG COND levers — FLT.
FUEL PUMP AND XFEED CHECK
FUEL PUMP and XFEED check operation as follows:
1. All FUEL PUMP switches — OFF. Check L and
R FUEL PRESS caution capsules should come
on.
2. L AFT MAIN FUEL PUMP switch — ON. Check
L and R FUEL PRESS caution capsules should
go out. Then switch OFF.
3. Remaining MAIN FUEL PUMP switches —
Check as in step 2 above.
4. L AFT AUX FUEL PUMP switch — ON. Check
L AUX PRESS light on overhead panel come on,
then goes out. Set pump switch to OFF.
