Bleeding The Fuel System; Turning O Ff Engine M Anually - Mercedes-Benz 240 D 1980 Owner's Manual

Bleeding th e Fuel System
A com pletely bled fuel system is
imperative fo r perfect engine oper­
ation. During operation, the system
is continuously bled via the over­
flo w line.
The entire system m ust be bled
when the car has been driven until
the fuel tank was com pletely
emptied.
A fte r refueling, start the engine,
engaging the starter fo r about
20 seconds until all the trapped air
has been evacuated.
W ith a poorly charged battery the
system m ust be bled manually.
Operate the prim er pum p until the
injection pum p o verflow valve
opens (rattling noise audible).
Disengage prim er pum p handle
prior to operating it (turn co un ter­
clockwise). Retighten after use.
9059
Practical Hints
Turning o ff Engine M an u ally
If the engine continues operating
in steering lock position "
hood and press lever marked
"S T O P " until the engine stops.
", open
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