q
Insert bearing shells centrally.
q
Make sure it is firmly seated
q
Axial clearance, wear limit: 0.37 mm
q
Check radial clearance with Plastigage; wear limit: 0.08 mm. Do not rotate crankshaft when checking
radial clearance.
7 - Cylinder block
q
Checking cylinder bores
.
q
Piston and cylinder dimensions
.
8 - Conrod bearing cap
q
Note installation position
q
Due to the cracking method used to separate the bearing cap from the conrod in manufacture, the
caps only fit in one position and only on the appropriate conrod.
q
9 - Oil spray jet
q
For piston cooling.
10 - 25 Nm
q
Insert without sealant
11 - Conrod bolt, 30 Nm +
1
/
4
turn (90°) further
q
Renew
q
Oil threads and contact surface.
q
Use old bolts to measure radial clearance.
Checking piston ring gap
Special tools and workshop equipment required
◆
Feeler gauges
Test procedure
– Push piston ring at right angles from above down to approx.
15 mm from bottom end of cylinder.
Piston ring
Ring gap
New
Wear limit
1st compression ring
m
m
0.20…0.40
1.00
2nd compression
ring
m
m
0.20…0.40
1.00
Oil scraper ring
m
m
0.25…0.50
1.00
3
Industriemotoren - Industrial Engines 2009
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Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
184
Repair Group 13 - Crankshaft group