Fig. 2.26. Natyazhitel of a gas distribution mechanism drive chain: 1 – opening of the ratchet mechanism; 2 – oil supply opening; 3 – backpressure valve; 4 – piston spring; 5 – piston; 6 – gear lath; 7 – ratchet; 8 – ratchet spring; 9 – section

Natyazhitel of a gas distribution mechanism drive chain – oil. The tension of a chain of the drive of the mechanism of gas distribution remains to constants due to use of pressure of oil and force of a spring of a natyazhitel of a chain. The oil natyazhitel of a chain has the following details: a piston spring which affects the lever of a natyazhitel; the backpressure valve which keeps effort on the lever of a natyazhitel (fig. 2.26).