The centrifugal oil filter (Fig. 1) is bolted to the front crankcase cover on the right through a gasket so that the inlet “A” and outlet “B” to “C” channels are aligned with the corresponding channels in the cover

The accelerator valve supplies compressed air to the energy accumulators and is designed to reduce the response time of the parking and spare brake drive by reducing the length of the compressed air inlet line into the spring energy accumulators and releasing it from them into the atmosphere