TM 5-3805-280-24-2
Fuel System
35
4. Use scraper from cleaning kit to clean deposits from
71
valve seating area.
RG,35,JW7590
1920NOV972/3
5. Grasp sack hole drill (A) with valve retractor (B).
6. For final cleaning, use a cleaning wire 0.03 mm (0.001
in.) smaller than the nominal orifice size and repeat
Steps 2 and 3.
A--Sac Hole Drill
B--Valve Retractor
RG,35,JW7590
1920NOV973/3
INSPECT AND CLEAN VALVE AND VALVE
SEAT
IMPORTANT: NEVER use a steel wire brush on nozzle
parts.
Use brass wire brush (B) to remove deposits from seating
area on tip of nozzle valve (A). Use a felt pad to remove
varnish deposits.
Inspect guide area of valve scratches which could cause
sticking. This area will generally be polished on one side
during operation. Visible vertical marks are normal.
A--Nozzle Valve
B--Brass Wire Brush
Continued on next page
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1920NOV971/2
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