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Instruction and Operation Manual
SA-07-11-37 Rev Orig
28
Jan 2009
TROUBLE
POSSIBLE CAUSE
INVESTIGATIVE/CORRECTIVE
ACTION
Sudden increase in seal leakage.
(Continued)
Seal rotating face cracked or broken.
May be caused by damage at assembly
or thermal shock caused by (1) seal
running dry, or (2) rotating face spinning
on shaft, or (3) loss and recovery of
buffer fluid (continued)
Install double seal.
Ensure that buffer fluid is always present
during operation.
Chemical attack of seal faces, seal parts
or o-rings.
Investigate fluid properties and determine
suitable materials for replacement.