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Page Title:
CHART - 2 - ENGINE CRANKS BUT WILL NOT START (Cont'd) |
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 TM 9-2320-364-20-1
Section IV. TROUBLESHOOTING CHARTS (Cont.)
D. CHART - 2 - ENGINE CRANKS BUT WILL NOT START (Cont'd)
-
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
C 2- 8
-
Check TRS/SRS Gap
Remove ECM (para 7-57).
Incorrect gap.
Loosen the screw at the top of
Turn camshaft counterclockwise
the TRS/SRS mounting bracket.
until the TRS is over a TRS
(Don't touch the two screws that
"tooth" of the pulse wheel.
go into the block front end
Tap the front of the camshaft
plate-they will affect engine
rearward with a soft hammer (to
timing.) Adjust the TRS/SRS until
remove camshaft end play).
the gap setting is correct. Tighten
screw. (If problems returns,
pulse wheel may be loose or
bad, notify supervisor.) Then go
to C 2--30.
Using a feeler gauge check
gap between the pulse wheel teeth
Gap setting
Go to C 2--10.
and TRS (nominal gap is
is correct.
0.020" or 0.5 mm).
C 2- 10
-
Check Pulse Wheel
Inspect DDEC pulse wheel for:
Pulse wheel OK.
Go to C 2--11.
--Loose wheel.
--Chipped or missing teeth.
Problem found.
Pulse wheel requires repair or
replacement. Notify supervisor.
C 2- 11
-
Check ECM Connectors
Turn ignition off.
Terminal and
Replace ECM (para 7-57).
Disconnect all connectors at the
connectors are okay.
Then go to C 2--30.
ECM.
Check terminal at all ECM
Problem found.
Repair terminals/connectors
connectors (both the ECM and
(para 7-101). Then go to C 2--30.
harness side) for damage; bent,
corroded and unseated pins or
sockets.
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