5
6
7
8
Checking and adjusting start of fuel delivery
25
Fig. 5
Remove plug from inspection hole in timing case
cover.
Fig. 6
Then rotate engine so that mark on pointer fitted to
injection pump coincides with mark on pump hub.
Read degrees on scale engraved on disc on tor-
sional vibration damper.
The reading should equal the specified start-of-de-
livery setting (see “Service Data”).
If not, correct start-of-delivery setting.
Adjusting start of delivery
Fig. 7
To adjust the start of delivery, the injection pump
drive must be made accessible.
For this purpose the fuel filter is to be removed.
Close cut-off valve from fuel tank to engine.
Remove all fuel lines and the filter.
Caution:
The filter cartridges contain fuel.
When putting aside the filter, catch
emerging fuel in a suitable container.
Fig. 8
Remove container together with fuel hand pump
too.
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