49909390

2.2.11.23. Assembly of the lower part of the engine

Oil engine the top parts of cylinders and conrod necks of a bent shaft.
Install into place pistons assembled with rods by means of adaptation.
Establish rods of a bent shaft.
Establish covers of rods.
Tighten the required moment (20 N · m + 45 ° ±6 °) also tighten on the required corner of a nut of hairpins of fastening of covers of rods.
Establish:
– asterisk of the drive of the oil pump;
– driving chain of the oil pump;
– oil pump.
Tighten the required moment (25 N · l) bolts of fastening of the oil pump.
Tightness of a forward cover of the block of the engine is provided with installation of laying or putting sealant.

NOTE
The Privalochny planes of the block of cylinders and forward cover of the block of the engine have to be pure, dry and without oil traces (do not touch them by fingers).
If for ensuring tightness of a forward cover of the block of the engine the structure of LOCTITE 518 is chosen, you put it with a tape 1 mm wide, as shown in the figure 2.180

Fig. 2.180. Places of putting sealant on a forward cover of the engine


Establish a forward cover of the block of the engine.

Fig. 2.181. Order of tightening of bolts of a forward cover of the engine


Tighten in 2.181 orders specified in the drawing the required moment (12 N · l) bolts of fastening of a forward cover of the block of the engine.
Install the water pump.
Apply one – two drops of structure of LOCTITE FRENETANCH on bolts of fastening of 1 and 4 water pumps.
Tighten in that order the required moment:
– bolts of M6 of fastening of the water pump (11 N · l);
– bolt of M8 of fastening of the water pump (22 N · м).

Fig. 2.182. Places of putting sealant on the surface of interface of a forward cover and the block of cylinders


Apply four rollers of sealant in points And with a diameter of 5 mm and two drops of sealant in points In diameter of 7 mm on the surface of interface of a forward cover and the block of cylinders (fig. 2.182).
Establish a maslouspokoitel.
Install the pallet with new laying.
Tighten in that order the required moment:
– bolts of fastening of the pallet (1,4 N · м).
Install the oil level sensor.
Tighten the required moment the oil level sensor (20 N · м).
Install the detonation sensor.
Tighten the required moment the detonation sensor (20 N · м).
Install the oil pressure sensor.
Tighten the required moment the oil pressure sensor (32 N · м).