1 - traction bar
2 - clamp with safety pin
3 - handle
The figure shows the reverse side of the removed fuel injection pump, the control rod (4) of the cold start accelerator is secured to a support with a rubber bushing (2) and with two intermediate washers (1), and is also secured with a safety washer (3). The rod itself is attached to the control lever using a screw clamp (5).
If the cold start accelerator rod fails, this does not create any particular problems. A cold engine starts itself at low ambient temperatures - sometimes reluctantly and with smoking, despite the fact that some damage occurs. However, in extreme cold it may be that without a cold start accelerator, starting does not work.
In this case, you can help if the cold start accelerator lever on the high-pressure fuel pump is fixed in the "extended" position using a wire. After several minutes of engine operation, the wire can be removed.
Warning: Absurd, but true: in severe frost the principle becomes the opposite: the diesel starts better when the cold start accelerator remains depressed until the engine actually starts. Then, to reduce the smoke - immediately after starting, a particularly unpleasant blue smoke appears - you need to pull out the rod.
Replacing the cold start accelerator rod
Loosen and remove the safety washer on the stop.
Remove the left lower instrument panel cover.
Pull the clamping bracket with the T-handle. Unscrew the handle.
Loosen the ring nut on the instrument panel recess.
Pull the rod down.
Now pull the rod completely into the passenger compartment.
When installing the rod, carefully pull it through the shell in the cabin.
Adjusting the cold start accelerator thrust
Loosen the clamping bolt of the fixing clamp on the front of the fuel injection pump.
Fully press the cold start accelerator handle on the instrument panel.
Pull the traction wire forward.
Make sure that the fuel injection pump control lever is in the front position near the stop.
Tighten the clamp bolt again.
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