Man D 0836 LE 401 Operating Instructions Manual page 53

Commissioning and operation
Main fuses for + / − on the engine
One main fuse with 20 A is fitted at the engine; these blow in the event of overcurrent or
short circuit.
If the fuse as blown, the engine can no longer be started.
The fuse can be reset by the operator using the keys fitted.
Attaching the fuse at the starter:
Fuse
53