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Isuzu 4LB1 - NOZZLE HOLDER ASSEMBLY

Isuzu 4LB1
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FUEL SYSTEM
103
NOZZLE HOLDER ASSEMBLY
DISASSEMBLY
Retairing
nut
Nozzle
spring
Body
Shim
Spring
seat
Spacer
Nozzle
ASM
Nozzle holder ASM
Packing
Corrugated
washer
Heat shield
}
Leak off pipe
Injection pipe
Injection pump
Gasket
Inspection and replacement
Place the removed nozzle in the clean light oil, disas-
semble it into the nozzle body and the needle valve and
clean them thoroughly. Then check to see if the valve
moves smoothly in the body.
When it does not move smoothly, repair or replace the
nozzle.
Adjustment
For the adjustment of the injection pressure and the
spray condition of fuel, refer to Section 1 “INSPECTION
AND SERVICE.”
Light oil
NOZZLE ASSEMBLY
Fig. 199
Fig. 200

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