TM 55-2840-231-23
8-11. Inspection Procedures - Continued
ENGINE/ - Continued
(b) Use exterior power source to ensure
N1 rotation of 16 percent (TM
55-1520-228-23).
(d) Open ignition circuit breaker and
make a preliminary rotation of the engine
for 15 seconds to ensure that the oil lines
and external sump are full of oil and there
is oil flow.
paragraph 8-8.3 of this manual. Inspec-
tion prior to engine removal.
Change 13
8-16.1
