4.9. Vacuum pump of the RF engine

The vacuum pump creates the depression necessary for operation of the vacuum amplifier of the brake system. It is fixed on the back party of the generator and is put in action from a generator shaft via the coupling.

Removal
Weaken a collar and disconnect a vacuum hose from the pump.
Weaken a collar and disconnect an oil supply hose from the pump.

Fig. 4.27. Otvorachivaniye of a bolt of fastening of the vacuum pump


Turn off bolts of fastening of the vacuum pump and remove it with a ring of the round section (fig. 4.27).

Installation
Check a ring of round section of the vacuum pump for absence of damage, otherwise replace it. Install the vacuum pump with a ring of round section and fix by bolts, having tightened their moment 7 N · m.
Fill in a little oil in an opening for lubricant of the vacuum pump.
Connect a vacuum hose and fix it by a collar.
Connect a hose of supply of oil and fix it by a collar.