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).