Yanmar YM276 Service Manual page 254

Engine Clutch and Linkage 5045-7
-
3. Measure the O.D. o f bearing sleeve, I.D.
of release bearing.
Compare measurements taken w i t h the following specifications.
BEARING SLEEVE SPECIFICATIONS
Item Naw Part Wear Limit
. . . . . .
Release Bearing I.D.
39.98 to 40.00 mrn
11.574 to 1.575 in.)
Release Bearing Sleeve
. . . . . . . . . . . . . .
O.D.
40.00 to40.02mm
11.575
to
1.576
in.)
Release Sleeve Bushings
1.D.
. . . . . . . . . . . . . . .
22.4
to
22.421 mm
10.8818
to
0.8827
in.)
4. Measure the O.D. o f main drive shaft and I.D. o f o i l bushings t o
obtain clearance. Compare measurement and replace if needed.
CLEARANCE SPECIFICATIONS
Item Naw P a n Wear Limit
. . . .
. . . . . . .
Clutch Shaft O.D. 21.92 to 22.00mm 21.5mm
10.863 ro 0.866
in.)
10.8465
in.)
Clearance
between Burhkng
. . . .
. . . . . . .
and Clutch Shaft 0.068 ro 0.172mm 0.5 mm
10.003 to 0.006
in.)
(0.020
in.)
-
180C721
5.
Lubricate felt in release bearing sleeve before installing
Clutch Yoke and Release Shaft
1.
Check the ends o f clutch yoke f o r wear. If the wear i s t o o
much t o adjust clutch pedal rods, replace yoke. . . . . . . . . . . .
A
-
Clutch Yoke
B
-
Release Shaft
C -Bushing
D
-
Clutch Housing
E
-
Return Spring
SME276OIIIB?04 YM276and 276D
~ m o m o t o , Pdnled
m
Japan