Yaroslavl ???-236, Maintenance Manual

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Picture 4.5 – Camshaft 238-1006010-
Б5
1 – camshaft drive gear 236-1006214-
Г2; 2 – drive gear of fuel pump 236-1029116-А; 3 – camshaft
thrust flange 236-1006236-
Б;
4 – camshaft 238-1006015-
Г3; 5 – locking washer 312580-П2; 6 – nut 311412-П2;
7 – bolt 310130-
П2; А – dimension
4.6 Oil pump
4.6.1 During assemble friction surfaces should of the pump parts should be lubricated with oil I-
12A.
4.6.2 Bolts 3 (picture 4.6) of the fastener of idler gear shaft 2 should be tightened with the moment
of force from 50 to 62 Nwm (from 5.0 to 6.2 kfg m).
4.6.3 Clearance B between face surface of the drive gear 6 and housing of the main pump section
should be from 0.5 to 1.0 mm
4.6.4 Before screwing of the thrust flange 7 for two-three threads of the flange thread it is
necessary to lubricate it with sealant "Uniherm-9" or "Anaterm-114" or "Anaterm-202"