Man D2862 LE221 - Page 342

CRANKMECHANISM
Checkingthecrankshaft
Checkingthecrankshaftaxialplay
•PositiontheDialgauge[146](1)withtheDial
gaugeholder[147](2)andtheLocatingpin[148]
onthecrankshaft(3)withapreload
•Pushthecrankshaft(3)horizontallyintotheend
positiontowardstheywheelhousing
•ZerotheDialgauge[146](1)
•Pullthecrankshaft(3)intotheendposition,
towardsDialgauge[146](1),andreadoffthe
difference
Thepermissibleaxialplayonthecrankshaft(3)is
0.200–0.401mm.
Iftheaxialplayisoutoftolerance,install
suitablethrustwashers,seeGlycothrustwasher
dimensions,335.
Checkingthecrankshaftradialplay
•PositiontheDialgauge[146](1)withtheDial
gaugeholder[147](3)andLocatingpin[148]on
thecrankshaft(2)withapreload
•Pushthecrankshaft(2)intothelimitposition,
towardsDialgauge[146](1)
•ZerotheDialgauge[146](1)
•Pullthecrankshaft(2)intheoppositedirection
Thepermittedradialplayonthecrankshaft(2)is
0.060–0.128mm.
Iftheradialplayisoutoftolerance,checktheoutside
diameterofthecrankshaftbearingjournalandthe
insidediameterofthecrankshaftbearing.
Checkthecrankshaftbearingjournaloutside
diameter,seeCheckingthemainbearingjournal,
346.
Checkthecrankshaftbearinginsidediameter,
seeCheckingthecrankshaftbearingshellinside
diameter,345.
340AE63stedition