Bosch TKA 865. Operator's Manual download pdf (Page 37)

Exhaust system

Acid-resistant steel is to be used preferably as material for the exhaust system.

The high temperature of the exhaust gases of several hundred degrees Celsius heats up the exhaust

pipes intensely.

The guide value for the longitudinal extension of steel pipes depending on the temperature is:

1 mm per metre and 100_C

To prevent the engine room from heating up too much, fire-resistant, fuel and lube−oil repellent insulation is

to be recommended. The engine’s exhaust manifold and the turbocharger are to be fitted with an anti-con-

tact protection device. Any insulation of these components requires approval.

Danger:

Fit a suitable anti−contact protection device to the exhaust pipes!

It is inadmissible to channel the exhaust gases from several engines into one system. In multi−engine sys-

tems, separate exhaust-gas piping is required for each engine so that when one engine is running exhaust

gases cannot enter another engine.

Condensation may form in the exhaust system and must under no circumstances be allowed to flow into

the engine. For this reason a condensation trap with drain valve is to be provided near engines with very

long ascending exhaust pipes. On no account must rain water enter the exhaust system.

To minimise exhaust gas backpressure, avoid

sharp bends and manifolds.

Pipe bends must have large radii (R / d w 1.5).

When installing silencers, soot filters, catalytic con-

verters etc., ensure that the maximum permissible

exhaust backpressure is not exceeded.

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Bosch TKA 865. Operator's Manual Page 37