TM 10-4320-325-14
b. Remove volute (2) from pump casing (3) by removing two hex nuts (4) and washers (5) from
pump casing studs (6).
c.
Discard O-ring (7).
INSPECTION:
a. Carefully inspect all parts for signs of wear or corrosion.
b. Inspect volute (2) for foreign matter obstructing flow passages.
SERVICE:
WARNING
When using compressed air, always use chip guards and wear eye
protection, or serious injury could result.
a. Clean all flow passages of volute (2).
b. If necessary, use compressed air in order to blow out deposits from difficult-to-reach areas,
including inside of volute (2) and pump casing (3).
INSTALLATION:
CAUTION
Volute must be installed with TOP mark in the top position on the
pump casing, or equipment damage could result.
a. Install volute (2) with new O-ring (7) to pump casing (3).
b. Attach two hex nuts (4) and washers (5) to pump casing studs (6) in order to secure volute (2)
to pump casing (3).
c.
Close drain cock (1).
d. Fill pump casing with water and check for leaks.
Change 2
4-33
