Check Pto Bearing - Generac Power Systems GTV99O Service Manual

SECTION l0: CYLINDER & CRANKCASE COVER
31,75rnm!O,1mm
[1.25'40.004 ]
CHECK PTO BEARING
The PTO bea ng must be replaced i{ it is damaged or if it
measures larger than 42.25mm (1.663") in diameter (see
Figure 10"8).
The diameter ofthe crankshaft may al5o make it necessary
to replace the bea ng.seeSection ll forthe crankshaft mea-
surement details,
a4 smmao,1mm h,752'10.004'l
o37.9mmi0.imm [41.492'i0.004']
@41.1mmro.1
mm 1O1.618"r0.oo'l'l
Figure 10-7. Mag Bea ng Divel
INSTALL MAG EEAflING:
1. Place crankcase on a press, sea sidedown.
a. l\lake sure that the dankcase is supponed by the sea boss.
2. set the new beaing in the crankcase with the notch up
and the oil holes lined up with the passages in the
crankcase.
3. carcfully slide the bushing driver into the beaing and
press the bearing in until it is 0.25-1.27mm (.01-.05')
below the su.face,
4. Remove any material left in the oil passage.
5. lnstall new oiLseal with sealing lip facing ln.
a, Press oil seal until flush with crankcase.
@45.1mm$.thm [O1.2/6'10.004'l
041.9mmr0.1mm [91.65't0.004']
Figurc t0-9. nO Beaing Divel
REVOVU\STALL PTO BEAqING
The removaland installation prccedure for the PTO bearing
is the same as for the mag bearing. See Figure 10-9 for the
bearing driver used in this procedure.
!'
Figurc 1?-5. Che.k Mag Beaing
FiguE t0-8. Check PTO Beaing
10-3