OM 617 – Adjusting governor spring of injection pump (engine 615, 616)

Unscrew governor cover and remove governor spring (13). Make sure that the governor spring (13) and the compensating washers (14) are not falling out when removing governor cover.
Putting in = speed increases
Taking out = speed decreases
A compensating washer 1 mm thick increases the engine speed by approx. 120-1 501min. Compensating washers are available as follows:
0.5 mm thick
1.0 mm thick
2.0 mm thick

10 Diaphragm
13 Governor spring
14 Compensating washer


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