TM 1-1520-240-MTF
2-56
ENGINE RUN UP (CONT.)
(4) ENGINE COND lever No. 1— Slowly
move toward GROUND until RRPM is
88%. Hold this RRPM for 7 seconds.
Ensure both GEN OFF caution lights
remain out.
NOTE
714A Skip step (5) go directly to step (6).
(5)
712 Continue reducing RRPM with the
ENGINE
CONDITION
lever
until
RRPM is 80% and check that NO.1 and
NO.2 GEN OFF and REC OFF caution
lights are on as RRPM goes through
approximately 82% RRPM.
(6) ENGINE
CONDITION
levers
—
FLIGHT.
(7) Check NO. 1 and NO. 2 GEN OFF and
REC OFF caution lights out as RRPM
goes through approximately 89%.
(8)
712 NO. 1 & NO. 2 ENGINE BEEP
TRIM switch — set 100% rotor rpm.
(9)
712 EAPS ENG 1 and ENG 2 FAN
switches — ON (one at a time).
c. Differential current protection circuit —
Check as required. (Refer to Section IV).
B* 3. Transponder Master Switch — STBY. Check
TEST/MON NO GO light on within 30 seconds.
Check PRESS TO TEST lights.
B 4. FUEL PUMPS and XFEED — Check operation
as follows:
a. All FUEL PUMP switches — OFF. Check L
and R Fuel Press caution capsules should
come on.
