300CD (123.153) L5-3.0L DSL Turbo (617.952) (1982)
4. Close fuel return line from injection pump to fuel filter.
Insert 0-ring into ring member (2) of return line and firmly push in quick lock.
5. Connect supply line (3) for injection pump with connecting line (4) of pump unit by means of a double hollow screw. Close connecting holes
on fuel filter with closing plugs (arrows).
6. Clamp connecting cable of pump unit to vehicle battery (red terminal positive, black terminal negative).
7. Rotate crankshaft in direction of rotation of engine up to approx. 350 before TDC in compression stroke of first cylinder. Engage pump unit.
Attention! Engage pump unit only up to measuring. In the event of a leaking injection nozzle, fuel may enter combustion chamber.