Page 137 - 05. Subyek Teknik Mesin - Automobile Mechanical and Electrical Systems Automotive Technology Vehicle Maintenance and Repair (Vehicle Maintenance Repr Nv2) by Tom Denton

2
Engine systems 121

5
4
3
2
1

Figure 2.75 Crankshaft: 1–5 main journals

Figure 2.76 Journals in position in the engine block

Figure 2.77 Radial lip oil seal
machined, threaded fl ange surface to accommodate mounting of the fl ywheel.
For a four-cylinder engine, the big-end journals are paired and set and 180°. For
most four-cylinder engines the fi ring order is 1, 3, 4, 2.
The crankshaft bearings are split-type, steel-backed shells with an alloy
or coated bearing surface ( Fig. 2.78 ). Correct bearing types to engine