6C - 24 ENGINE FUEL
Nozzle Lapping Procedure
1. Lap the nozzle needle
!
and the nozzle body
"
by
applying a compound of oxidized chrome and animal
oil
#
.
NOTE:
Do not apply an excessive amount of the oxidized
chrome and animal oil compound to the injection
needle valve seat area. Applying too much compound
will cause the injection nozzle needle and the injection
nozzle body cavity to wear excessively.
2. Carefully wash the needle valve and the nozzle body in
clean diesel fuel after lapping.
Nozzle Body and Needle Valve Inspection
Check the nozzle body and the needle valve for damage
and deformation.
The nozzle and body assembly must be replaced if either
of these two conditions are discovered during inspection.
Reassembly
7. Nozzle Holder
6. Adjusting Shim
5. Spring
4. Spring Seat
3. Spacer
2. Injection Nozzle
1. Retaining Nut
Tighten the retaining nut to the specified torque.
N∙m (Kg∙m/lb∙ft)
34 (3.5/25)
6C-23-1.tif
6C-23-2.tif
6C-23-3.tif
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