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Chapter 8 FUEL SYSTEM
2.3 Fuel Injection Nozzle - Disassemble and Inspect
Understanding of the current engine condition before disassembling is very important to know the cause of trouble and do the
efficient work.
Depending on the maintenance work or purpose, it is desirable to inspect some of the following items before proceeding with
any job.
Fuel Injection Start Pressure - Inspect
Fuel Injection Nozzle Spray - Inspect
Deformation, deterioration,
flaw
Worn contact of needle valve
Carbon deposit,
nozzle hole clogging,
needle valve sticking
Disassembling Sequence
1 Connector, gasket
2 Retaining nut
3 Nozzle tip
4 Pin
8-18
9
8
6
7
5
4
3
2
Fuel Injection Nozzle - Disassemble and Inspect
5 Spacer
6 Pin
7 Push rod
8 Nozzle spring
Shim adjustment type spec
Replace
10
9 Shim
10 Nozzle holder body
1
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