TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
b. Starter Assembly. The starter
threads. No damage, burned contacts, or
is energized by a starter contactor when
worn threads are allowed.
the ENGINE CONTROL switch is set to
START position.
The circuit path, fig-
(4) Inspect housing for cracks.
No cracks are allowed.
ure 4-59, that energizes the starter
contactor is from the battery, through a
10 AMPS circuit breaker, through the
ENERG STOP switch (normally closed),
c. Install.
(See figure 4-58.)
through the latched contacts of relay
K2, to the ECU. The +28 vdc is applied
(1) Coat threads of igniter plug
to A2 driver and limiter circuit in the
(2) with high temperature compound MIL-
A-907 (Fel-Pro (C5-A).
ECU through an electronic switch that
opens when the engine reaches 60% speed
during the start cycle.
The circuit
(2) Install igniter plug (2) with
path to ground through the starter con-
Tighten igniter plug to a
washer (3).
tactor coil is through auxiliary con-
torque value of 100 inch-pounds.
tacts on four control switches: DC
POWER, AC POWER, PNEUMATIC POWER, and
(3) Connect igniter plug lead (1)
HYD MAIN POWER.
All four of these
to igniter plug (2) and tighten to a
switches must be set to the OFF position
Lock-
torque value of 35 inch-pounds.
to provide a ground circuit.
wire igniter plug lead.
IGNITER PLUG.
IGNITER PLUG LEAD.
4-82.
a. Remove.
(See figure 4-58.)
a.
Inspect.
(See figure 4-58.)
(1) Open engine access door (12,
(1) Inspect coupling nuts on ig-
niter plug lead (1) for cracks, corro-
(2) Cut and remove lockwire on
No cracks,
sion, and damaged threads.
igniter plug lead.
or damaged threads are allowed.
(3) Disconnect igniter plug lead
(2) Inspect outer shielding for
(1) from igniter plug (2).
chafing. Check for cracks or separation
between shielding and terminal end. No
(4) Remove igniter plug (2) and
cracks or separations are allowed.
washer (3).
b.
Remove.
(See figure 4-58.)
b.
Inspect.
(See figure 4-58.)
(1) Cut and remove lockwire on
both connectors.
(1) Inspect ceramic insulation of
igniter plug (2) for cracks and chips.
No cracks or chips are allowed.
(2) Loosen both coupling nuts.
(2) Inspect electrode for distor-
(3) Disconnect igniter plug lead
tion and erosion.
Electrode shall not
(1) from igniter plug (2) and ignition
be less than 0.010 inch above ceramic
unit (6).
insulator.
Replace igniter plug if
electrode is distorted or eroded.
(4) Inspect teflon or silicone
grommet (11) that surrounds insulation
for cracks and distortion. No cracks or
(3) Inspect connector for damaged
or burned contact, and damaged or worn
distortion are allowed.
