Chapter IV Disassembly & Repair
- 25 -
3) Outer diameter of crankshaft journal
Standard
Maintenance Limit
29.98 mm
29.92 mm
4) Side clearance of the big end of connecting rod
5) Oil-film clearance of big end of connecting rod (radial direction)
a) Wipe away the engine on the surface of crankshaft journal.
b) Set plastigauge on crankshaft journal then assemble connecting
rod,Fasten the bolt as per the specified torque.
Fastening torque: 12-14 N.m
Note: do not make the crankshaft rotate when fastening the bolt.
c) Disassemble the connecting rod and measure the thickness of plastigauge.
d) Check the connecting rod when the clearance exceeds
maintenance limit,and re-check the clearance.
If the clearance still exceeds the maintenance limit after a new
connecting rod is used, grind the crankshaft journal and use the
connecting rod with the clearance less than the standard value.
Standard
Maintenance Limit
0. 1-0.7mm
1.1mm
Standard
Maintenance Limit
0.04-0.063 mm
0.12 mm
Plastigauge
Scale
12 N.m