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 TM 9-2815-226-34-2
NOTE
BE SURE INJECTION TIMING FIXTURE (13) IS MOUNTED STRAIGHT ON CYLINDER
HEAD (11).
(b) Secure fixture to top threaded holes with two knurled hold downs (2).
(c) Loosen setscrews (1) and (4) of piston dial indicator and push tube dial indicator.
CAUTION
INDICATORS MUST BE RAISED TO HIGHEST LEVEL TO PREVENT THEIR
DAMAGE WHEN ATTEMPTING TO LOCATE TOP DEAD CENTER.
(d) Slide both indicators (6) and (15) to their upper most position and tighten setscrews (1) and (4).
(2) Perform timing procedure.
CAUTION
INJECTION TIMING FOR NO. 1 CYLINDER REQUIRES THAT NO. 1 PISTON BE SET
AT TOP DEAD CENTER.
TOP DEAD CENTER WILL OCCUR DURING THE
COMPRESSION STROKE AND THE EXHAUST STROKE. INJECTION TIMING IS TO
BE PERFORMED WHEN PISTON IS AT TOP DEAD CENTER OF COMPRESSION
STROKE.
NOTE
Adjustments to injection timing are made by altering
the thickness of cam follower gaskets.
The injection timing may be advanced or retarded by
adding or removing cam follower gaskets.
Use cylinders no. 1, 5, and 3 to check injection
timing.
Dial indicators used in injection timing must have a
total travel of at least 0.250 in. (6.35 mm).
Be sure to push camshaft in every time crankshaft is
rotated.
3-420
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