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TM 10-3930-669-34
1. ENGINE CRANKS BUT WILL NOT RUN (CONT).
KNOWN INFO
Injection pump OK.
Injection pump timing OK.
Camshaft gear alignment OK.
POSSIBLE PROBLEMS
Low engine compression.
Cylinder head(s) or gasket(s)
faulty
Piston crown clearance
incorrect.
Cylinder(s) faulty.
Valve(s) or valve spring(s)
faulty.
Piston(s) faulty.
Piston ring(s) faulty.
TEST OPTIONS
Compression test.
STE/ICE-R #50.
REASON FOR QUESTION
If engine compression is low,
engine will not run.
2-14
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