TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Injector (006-026)
Section 6 - Injectors and Fuel Lines - Group 06
Page 6-25
CAUTION
Never use emery paper, a steel brush, or any other
metal scraper to clean the nozzle. The parts can be
damaged.
Nozzle Cleaning Kit, Part No. 3376947
Dip the nozzle seat in clean test oil, and use the nozzle
cleaning kit, Part No. 3376947, to clean the nozzle seat.
Polish the needle seat with a piece of hardwood dipped in
test oil.
WARNING
When using solvents, acids, or alkaline materials for
cleaning, follow the manufacturer's recommendations
for use. Wear goggles and protective clothing to avoid
personal injury.
Nozzle Cleaning Kit, Part No. 3376947
Clean the interior ring groove of the nozzle with a scraper
(as shown). Rinse in solvent to remove all dirt and carbon
residue, and dip in clean test oil.
Clean the spray holes (as shown) with an appropriate-size
cleaning needle.
Remove burned-on combustion deposits on all nozzles
with a commercially available cleaner. Rinse all parts in
clean test oil.
Clean the needle valve tip with a brass brush.
L-995