Vetus DIESEL GHS4 Manual De Operación página 51

Check engine Speed/Adjust Fuel Pump
Every 400 operating hours.
A
Seal
Increasing the speed
VD006
Adjusting the GHS24 and GLS14 Fuel Pump
Unscrew both lock nuts and adjust the set screws until the cor-
rect speed has been reached. Then tighten up the lock nuts
again. Turn set screw A outwards when the speed has to be
increased; turn set screw B outwards when the speed has to be
reduced.
B
Reducing the
speed
B
Increasing the speed
VD00528
Adjusting the GLS25 Fuel Pump
Unscrew both lock nuts and adjust the set screws until the cor-
rect speed has been reached. Then tighten up the lock nuts
again. Turn set screw A outwards when the speed has to be
increased; turn set screw B outwards when the speed has to be
reduced.
Maintenance
A
Reducing the speed
5
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