Nanni N4.40, Workshop Manual

Page: 125 / 175

ENGINE
03-M-E3B, 03-M-DI-E3B, 03-M-E3BG, WSM
1-S55
Injection Pump (for Turbocharger Model)
IMPORTANT
• Before you remove the injection pump assembly (1),
remove the boost compensator assembly (2), hi-idling
body (4), solenoid (3) and solenoid guide (5).
1. Remove the boost compensator assembly (2).
2. Remove the hi-idling body (4).
3. Remove the solenoid (3).
4. Remove the solenoid guide (5).
5. Remove the injection pump assembly (1).
(When reassembling)
• Before you attach the boost compensator assembly (2), hi-idling
body (4), solenoid (3) and solenoid guide (5), install the injection
pump first into position.
• Replace the hi-idling body gasket with a new one.
• Before you attach the boost compensator assembly (2) to the
gear case, make sure that the solenoid guide (5) is at the initial
position.
• When you install the solenoid (3), keep the O-ring in position.
• Put the push rod of the solenoid into the hole at the center of the
solenoid guide (5).
IMPORTANT
• If you replace new boost compensator, it is necessary to
adjust it.
Get the adjustment procedure from KUBOTA.
M00000003ENS0079US1
Tightening torque Hi-idling body
45 to 49 N·m
4.5 to 5.0 kgf·m
33 to 36 lbf·ft
(1) Injection Pump Assembly
(2) Boost Compensator Assembly
(3) Solenoid (4) Hi-idling Body
(5) Solenoid Guide
KiSC issued 06, 2009 A