Doosan DP158LDF - Actuator; Actuator Component Parts Function

8. Fuel system
136
Actuator
Actuator Component Parts Function
DV2213103B
DV2213104B
1. Emergency stop lever: The manual engine stop lever
when emergency.
2. Upper control chamber: The cover is install for insi
de
c
ontrol.
3. Electronic control chamber: The electronic signal oper-
ates the operation lever. It is sealed and can not
control.
4. Adjusting screw: Adjusting screw is the controlled
max. fuel capacity. If the length of the nut is long, th
e
t
orque is decrease. if the the length of the nut is short,
the torque is increase.
5. Fuel stop plate: The plate controls the increasing fuel
as the preventing movement of adjusting screw.
6. Operation lever: It is the connecting lever to operat
e
t
he fuel rack.
7. Fuel rack: It controls the fuel capacity of the fuel injec-
tion pump connected link lever.
Fuel
injection
Pump
Emergency
stop lever
Upper control chamber
(oil lubrication)
Electronic control
chamber
Ghana Actuator
Side view
Operating lever
Stop Screw
Lock nut
Fuel rack
Adjusting Screw
Lock nut
Fuel rack stop position
Top view
Linkage length(L)
Fuel rack stop position adjustment
CAUTION
Adjusting fuel injection pump is critical part for the
enfine performance and durability. Only certified
professional technicians should repair and maintain
engines.