TM 55-2840-231-23
7-3. Ignition Exciter - Removal, Inspection and Installation - Continued
ENGINE/Ignition Exciter
- Continued
1. Removal
2. Inspection
Do not energize ignition exciter if
spark igniter and lead are
disconnected.
Disconnect power input
lead and igniter lead (4)
from exciter.
Remove three nuts (1) and
washers (2) which secure
exciter (3) to gearbox
housing.
Visually inspect for
general condition of
exciter, input power
terminal, and igniter lead
connector. Nicks, dents,
etc are acceptable if
damage does not extend
through the case or cover.
Bent or misaligned
eletrical connector is
acceptable if the
connector base is not
excessively distorted,
bulged, or cracked. The
connector ends must
assemble properly with
no evidence of internal
damage.
Connect a known
satisfactory igniter lead
and spark igniter of type
used on engine to the
ignition exciter.
Apply 28 volts dc to the
input terminal of the
ignition exciter using a
minimum wire size of 16
gauge. Observe firing. If a
repetitive spark rate of
less than six sparks per
second is observed,
replace the ignition
exciter.
7-6
Change 11
