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TM 5-2420-222-34
CHAPTER 5
FUEL SYSTEM MAINTENANCE
Paragraph
Page
Number
Paragraph Title
Number
5-1
Fuel Injection Nozzles Test and Repair.................................................................................
5-1
5-2
Fuel Metering Pump Replacement........................................................................................
5-9
5-3
Fuel Metering Pump Helical Gear Replacement ...................................................................
5-15
5-4
Fuel Tank Repair
.......................................................................................................
5-18
5-5
Speed Control Shaft Replacement........................................................................................
5-18
5-1.
FUEL INJECTION NOZZLES TEST AND REPAIR.
This Task Covers:
a.
Test and Adjustment
d.
Repair
b.
Disassembly
e.
Assembly
c.
Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
•
Fuel injection nozzle removed (see TM 5-2420-
•
Carbon removing compound (Item 8, Appendix B)
222-20).
•
Lapping compound (Item 10, Appendix B)
•
Diesel fuel (Item 17, Appendix B)
•
Plastic gloves (Item 21, Appendix B)
Tools/Test Equipment:
•
General mechanic's tool kit
•
Lint-free wipes (Item 43, Appendix B)
•
Field automotive shop set
•
Brass wire brush
References:
•
Cleaning wire, 0.008 in.
•
TM 9-4910-409-12
•
Cleaning wire, 0.01 in.
•
Inspection magnifier
General Safety Instructions:
•
Nozzle holding fixture
•
DO NOT perform this procedure near fire, flames, or
•
Sac hole drill
sparks.
•
Tip seat scraper
•
Valve retractor
5-1
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