(i) Remove the main bearing caps.
(j) Measure the Plastigage at its widest point.
Standard clearance: 0.025 – 0.055 mm
(0.0010 – 0.0022 in.)
Maximum clearance: 0.08 mm (0.0031 in.)
If the clearance is greater than maximum, replace the
bearings and/or grind the main journals.
Undersized bearing: U/S 0.25
(k) Clean out the pieces of Plastigage from the bearings
and journals.
HINT: If using a standard bearing, replace with one
having the same number as marked on the cylinder
block. There are three sizes of standard bearings,
marked 3, 4, 5 accordingly.
CYLINDER BLOCK INSPECTION
1. REMOVE GASKET MATERIAL
Using a gasket scraper, remove all gasket material
from cylinder block surfaces.
2. CLEAN CYLINDER BLOCK
Using a soft brush and solvent, clean the block.
23. REMOVE CRANKSHAFT ,
(a) Lift out the crankshaft.
(b) Remove the upper main bearings from the cylinder
block.
(c) Arrange the caps and bearings in order.
Cylinder Block
Main Journal Bore
Bearing Center
Wall Thickness
Main Journal
Diameter
mm (in.)
U /S
Q.25
Size
–ENGINE ENGINE MECHANICAL
EG1–55
To Next Page
Loading...
Need help?
General
