Mitsubishi L2C Service Manual

8-1
FUEL SYSTEM
1. Removing fuel system.....................8-2
1.1 Removing fuel pipe and fuel injection
nozzle....................................................... 8-2
1.1.1 Removing fuel injection pipe ......................8-3
1.1.2 Removing fuel injection nozzle...................8-3
1.2 Removing fuel filter .................................. 8-4
1.3 Removing governor.................................. 8-5
1.3.1 Disconnecting tie rod from control rack......8-6
1.3.2 Removing governor shaft and
speed control lever.....................................8-6
1.4 Removing fuel injection pump.................. 8-7
2. Disassembling, inspecting and
reassembling fuel system................8-8
2.1 Disassembling and inspecting fuel injection
nozzles..................................................... 8-8
2.1.1 Inspecting and adjusting fuel injection valve
opening pressure .......................................8-9
2.1.2 Inspecting fuel spray pattern of fuel injection
nozzle.......................................................8-10
2.1.3 Cleaning and replacing faulty nozzle .......8-10
2.2 Reassembling fuel injection nozzles...... 8-11
2.3 Inspecting fuel injection pump on engine8-12
2.4 Disassembling and inspecting
fuel injection pump................................. 8-12
2.4.1 Removing swivel nipple............................8-13
2.4.2 Removing tappets ....................................8-13
2.4.3 Removing plunger....................................8-13
2.4.4 Removing delivery valve ..........................8-14
2.5 Reassembling fuel injection pump ......... 8-15
2.5.1 Installing plunger barrel............................8-15
2.5.2 Assembling delivery valve........................8-16
2.5.3 Assembling control sleeve .......................8-16
2.5.4 Assembling plunger..................................8-16
2.5.5 Installing tappet........................................8-17
2.5.6 Installing control rack ...............................8-17
2.5.7 Tightening delivery valve holder...............8-18
2.5.8 Inspecting control rack
for smooth operation ................................8-18
2.5.9 Installing lock plate...................................8-18
2.5.10 Installing swivel nipple..............................8-18
2.6 Disassembling and inspecting governor
cover ...................................................... 8-19
2.7 Reassembling governor cover ............... 8-19
2.8 Disassembling and inspecting torque
spring set ............................................... 8-20
2.9 Reassembling torque spring set ............ 8-20
2.9.1 Torque spring set, single spring type .......8-21
2.9.2 Reassembling torque spring set,
double spring type ................................... 8-22
2.10 Inspecting fuel pump.............................. 8-23
2.11 Disassembling, inspecting and
reassembling fuel filter
(cock switch type, push botton)..............8-24
2.12 Disassembling, inspecting and
reassembling fuel filter
(cock switch type, changover)................8-25
3. Installing fuel system ....................8-26
3.1 Installing fuel injection pump..................8-26
3.2 Installing governor..................................8-27
3.2.1 Installing speed control lever and
governor shaft.......................................... 8-28
3.2.2 Connecting tie rod ................................... 8-28
3.2.3 Installing torque spring set
(Single spring, double spring).................. 8-29
3.2.4 Installing torque set spring
(Double spring, two point control)............ 8-29
3.2.5 Installing rack set screw .......................... 8-30
3.3 Installing fuel filter .................................. 8-31
3.4 Installing fuel pipe and fuel injection
nozzles................................................... 8-32
3.4.1 Installing fuel injection nozzle.................. 8-32
3.4.2 Installing fuel return pipe and fuel injection
pipe.......................................................... 8-32

Mitsubishi L2C Specifications

General

Brand	Mitsubishi
Model	L2C
Category	Engine
Language	English