TM-9-2815-205-34

ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

AUGUST 1992
TM-9-2815-205-34

  TM-9-2815-205-34 - Page 252 of 596

TM 9-2815-205-34
NOT E
Ž
Runout is the maximum negative reading plus the maximum positive reading. For
example, if maximum readings were 0.004 and -0.007 inch, then runout is 0.01 inch.
Ž
Maximum allowable runout is 0.001 inch per inch of radius. Measure radius from center
of flywheel assembly (3) to dial indicator needle (clutch contact face). For example, if
the radius is 12 inches, then the runout should be less than 0.012 inch.
(e) If flywheel face runout exceeds its
maximum limit, remove flywheel
assembly (3) and check for dirt or
foreign material between crankshaft
and flywheel. Mount flywheel
assembly. If readings are still out of
limits, replace flywheel assembly.
(2) Measure flywheel housing bore
concentricity and face runout as follows:
(a)
(b)
(c)
(d)
Mount dial indicator base (12) to
flywheel assembly (3).
Install one dial indicator (13) perpendicular to flywheel housing bell face and a second dial
indicator (14) against flywheel housing bell bore.
Pry flywheel assembly (3) toward engine block (at six o’clock position) to ensure endplay is
in one direction.
Adjust dial indicators to read zero at twelve o’clock position.
CAUTION
When using hexagon head bolt at front of crankshaft to rotate crankshaft, always turn
bolt clockwise. Serious engine damage may result if bolt becomes loose.
NOT E
•
Total indicator reading is the maximum negative reading plus the maximum positive
reading. For example, if maximum readings were 0.004 and -0.007 inch, then runout is
0.011 inch.
•
Maximum total indicator reading must not exceed 0.013 inch for either bore
concentricity or face runout.
(e) With assistant rotating front of crankshaft clockwise, record readings
(six readings each for bell bore and face). Pry flywheel assembly (3)
before taking each reading.
at 60 degree intervals
toward engine block
(f) If bore concentricity or face runout exceeds its maximum limit, remove flywheel housing
and check for foreign material on end plate, flywheel housing, and cylinder block mounting
surfaces. Mount end plate and housing. If either reading is still out of limits, replace
flywheel housing (see Para 3-44).
END OF TASK
3-123


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