Yaroslavl Engine Plant YMZ-536 Operation Manual page 58

Table 1 Crankshaft journal sizes; Labeling on crankshaft,
Main
– Ш1
– К1
– Ш1К1
2
3
4
5
ATTENTION!
JOURNALS TO THE REPAIR DIMENSION, AVOID BURNS ON THE
JOURNALS,
UNREMOVED CRACKS WILL CAUSE SHAFT FAILURE. IF
PROPERLY OPERATED, THE CRANKSHAFT HAS A LIFE TIME
NOT LESS THAN THAT OF THE ENGINE.
The flywheel is cast in grey cast iron. The steel ring gear press-
fitted onto the flywheel is used to start-up the engine with a starter.
The flywheel is manufactured for the size 430 clutch installed into the
SAE-1 housing. The flywheel is dynamically balanced separately
from the shaft. Installed into the mounting bore is the closed front
bearing of the gearbox primary shaft. To remove the flywheel, two
М8 threaded holes are designed. The flywheel outer surface has 58
holes to control the engine performance, and the 1
mark. During installation the flywheel is oriented along a pin,
vertically, towards the 1
58
journals and semi-rings
00 76
-0,019
01 75,90
10 76,0
11 75,90
d
repair 75,75
rd
repair 75,50
th
repair 75,25
th
repair 75,0
WHEN REGRINDING
FILLETS AND
st
and the 6
Std 88
-0,022
0,1 88,0
- 87,90
0,1 87,90
0,25 87,75 0,25
0,50 87,50 0,50
0,75 87,25 0,75
1 87,0
THE
ESPECIALLY
th
cylinder TDC. From the clutch
std
0,1
-
+0,062
37 std
0,1
37,5 0,5
1
CRANKSHAFT
WEB FACES!
FLYWHEEL
st
cylinder TDC