Yanmar YM276 Service Manual page 129

20-1 56
Crankshaft. Main Bearings, and Flywheel
REAR OIL SEAL AND
REAR M A I N BEARING
-
REMOVAL AND INSPECTION
1. Separate the englne f r o m clutch hous~ng. See page
10-20 3.
2.
Remove flywheel as explained o n page
20-15-4.
. J
,Ar
3. Remove rear main bearing housing f r o m cylinder block.
, -
- ' - - a
4. Use a pry bar t o remove o i l seal.
5.
Measure 1.D. o f rear main bearing at the four points shown.
Compare measurements taken w i t h the following specifications.
REAR MAIN BEARING SPECIFICATIONS
New Part Wear Limit
65.OWto65.045rnm
. .
.
. . . . .
65.10mm
6. Remove bearing b y using "Crank Shaft Main Bearing Removal
and Installation T o o l Kit".
A -Bearing
B -Guide (Lam1
C
-
Spamr
D
-
Bolt
E -Nut
F -Metal Piece (A)
7.
T o remove bearing, tighten n u t .
SME2760111-B304
YM276snd 276D
K;nomoro, P~rrnreol in Japan