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TM 9-2330-398-24
3-22. FUEL INJECTION NO771 F REPAIR (continued).
c. CLEANING AND INSPECTION
CAUTION
• Never use hard or sharp tools, emery paper, grinding powder, or abrasives of any kind to clean
fuel injectors. Damage to fuel injectors could result.
• Do not attempt to scrape carbon from nozzle surfaces. Severe damage to spray hole could
result
NOTE
Clean fuel injector parts in clean room on clean bench to prevent contamination of fuel injector.
1.
Clean outer surfaces of nozzle cap (19) with brass brush.
2.
Clean spindle (16) and nozzle holder (17) with soft, oil-soaked cloth.
3.
Clean carbon deposits from nozzle assembly (21).
4.
Clean small holes in tip of nozzle assembly (21).
5.
Inspect nozzle assembly (21) for nicks or scoring. Replace nozzle assembly if damaged.
3-66
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