Fig. 13.03.02: Air spring pipes for exhaust valves
Air
spring
Safety relief valve
Control air supply (from
the pneumatic system)
Safety relief valve Safety relief valve
PT 8505A I AL
B
PT 8505B I AL
Exhaust Valve Air Spring Pipes
The exhaust valve is opened hydraulically and the
closing force is provided by an ‘air spring’ which
leaves the valve spindle free to rotate, see Fig.
13.03.02.
The item Nos. refer to ‘Guidance values automation’
The piping is delivered with and fitted onto the engine
121 36 87-1.1.1c