Fig. 2.253. Oil pump components:
1 - drive shaft; 2 - oil pump housing - bolt 23 Nm; 4 - stars; 5 - oil pump cover with safety valve; 6 - bolt 8 Nm; 7 - pressure oil line; 8 - bolt 8 Nm; 9 - sealing ring.
NOTE: When installing, first tighten all mounting bolts by hand. Then tighten the bolts securing the oil pressure pipe to the cylinder block, and then to the oil pump. Finally, tighten the mounting bolts of the oil pump.
Oil pump, checking the side clearance of the teeth:
Check the lateral clearance of the teeth. Wear limit: 0.20 mm.
Oil pump, checking axial displacement:
Check the axial displacement. Wear limit: 0.10 mm.
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