REPAIR AUGER/CONVEYOR CONTROL VALVE - Continued.
INSPECT VALVE BODY FOR STRIPPED
THREADS, WEAR, SCRATCHES, DENTS AND
FOREIGN MATERIAL, AND SPRINGS FOR
DAMAGE AND WEAR.
Visually inspect valve body (20) surface A for
stripped threads. Inspect seal grooves B and C
for scratches or dents. Use a strong light and
inspect inner bore D for foreign material, scoring,
or excessive wear.
Cleaning solvent, P-D-680, is TOXIC and
flammable. Wear protective goggles
and gloves. Use only in a well ventilated
area. Avoid contact with skin, eyes, and
clothes, and do not breathe vapors.
Keep away from heat or flame. Never
smoke when using solvent; flashpoint
for Type III cleaning solvent is 200°F
(93,3°C). Failure to do so may result in
injury or death to personnel.
If personnel become dizzy while using
cleaning solvent, immediately get fresh
air and medical help. If solvent contacts
skin or clothes, flush with cold water. If
solvent contacts eyes, flush eyes with
Flush valve body (20) with cleaning solvent to
remove any foreign material present. Use a
culture swab to remove foreign material from
valve body inner bore.
Replace valve body (20) and spool if stripped
threads, damaged seal grooves, scoring, or
excessive wear is detected.
Inspect springs for distortion or compression.
Replace springs if distortion or compression is
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