8.4.4. Removal and installation of a nave of the coupling and compressor pulley

Fig. 8.67. Otvorachivaniye of a bolt of fastening of a nave

Key unscrew a bolt of fastening of a nave (fig. 8.67).

Fig. 8.68. Removal of a nave and adjusting laying from a compressor shaft

Remove a nave and adjusting laying from a compressor shaft. At the complicated removal wrap a bolt of 8 mm in an opening of an end face of a shaft and remove a nave from a shaft (fig. 8.68).

Fig. 8.69. Removal of a lock ring of a pulley

Remove a lock ring of a pulley (fig. 8.69).

Fig. 8.70. Removal of a pulley from the compressor

Remove from the compressor a pulley assembled with the bearing (fig. 8.70).

Clear landing surfaces of a pulley and the bearing in a compressor head, having removed dirt and a rust.

Fig. 8.71. Pulley and bearing installation on the compressor

Establish a pulley and the bearing on the compressor (fig. 8.71).

Fig. 8.72. Installation of a lock ring

Establish a lock ring a facet outside (fig. 8.72).

Fig. 8.73. Installation of adjusting laying

Establish adjusting laying of the demanded thickness by shlitsevy grooves inside, establish a nave for the end of a shaft of the compressor (fig. 8.73).

Wrap a new bolt of fastening of a nave in an end face of a shaft of the compressor and tighten it the demanded moment

Inhaling moment: 11–14 N · m.

ATTENTION Do not apply the pneumatic tool.

Fig. 8.74. Gap check between a nave of the coupling and a pulley surface

Check shchupy a gap between a nave of the coupling and a pulley surface (fig. 8.74).

Adjusting gap of the coupling: 0,05–0,08 mm.

Gap check in 3 points of a circle of a pulley.

If the adjusting gap of a nave does not keep within the specified limits, adjust it, having put adjusting laying of the corresponding thickness.