Remove and establish the oil pump in the following sequence:

– remove the oil pallet (see подразд. 3.1.10);

Fig. 3.28. Oil pump: 1–partition; 2–maslopriyemnik; 3–bolt of fastening of a maslopriyemnik; 4–cover of the oil pump; 5–a conducted gear wheel; 6–case of the oil pump; 7–shaft of a drive of the oil pump; 8–leading gear wheel; 9–bolt of fastening of the oil pump; 10-bolt of fastening of a cover of the oil pump; 11-sealing ring of a maslopriyemnik

– disconnect a partition 11 (fig. 3.28) of the oil pallet from a maslopriyemnik 8;

– unscrew bolts of the 9th fastening of a maslopriyemnik and remove a maslopriyemnik 8 from the oil pump;

– otverny bolts of the 7th fastening of the oil pump also remove the oil pump from the block of cylinders;

– unscrew bolts of the 6th fastening of a cover of the oil pump and uncover the 5th pump. In it there is a reduktsionny valve;

– wash out pump details in kerosene;

– examine pump details, replace the damaged details;

Fig. 3.29. Check axial люфта gear wheels of the oil pump

Fig. 3.30. Gap check between teeths of gear wheels of the oil pump

– check axial люфт gear wheels of the oil pump and a gap between teeths of gear wheels (fig. 3.29, 3.30) . If they exceed admissible values (see подразд. 3.1.1) and in the presence of damages the pump replace assembled;

– ship the pump in fresh engine oil, turning a shaft 3 drives (see fig. 3.28 ), fill the pump;

– clear interfaced surfaces;

– establish the oil pump on the block of cylinders and tighten bolts of the 7th fastening;

– establish a new sealing ring 10 on a maslopriyemnik;

– establish a maslopriyemnik on the oil pump and tighten bolts 9;

– establish the oil pallet.