Boost Compensator; Function Of Boost Compensator - Kubota WSM 05-E4B Series Workshop Manual

4. ENGINE

1.4 Boost compensator

1.4.1 Function of boost compensator

Boost compensator is the device that reduces black smoke during the engine startup and acceleration.
The rod of actuator (2) is pushed out by the rise of boost pressure, and the plate (3) moves in the direction of the fuel
increase around the fulcrum "A".
(1) Boost compensator assembly
(2) Actuator
4-4
(3) Plate
(4) Injection pump assembly
(5) Guide
(6) Stop solenoid
MECHANISM
1. Engine body
(A) Fulcrum
05-E4B SERIES,05-E4BG SERIES
KiSC issued 03, 2023 A