Waukesha Cherry-Burrell
Troubleshooting
11/2012
95-03057
Page 81
Product leaking:
•
Between lapped or polished
surfaces of seal head insert
and seal body.
•
Around O-rings of interface
of head and seal head
insert.
•
Around interface of seal
body and shaft.
Seal insert cocked when
installed.
Remove and reinstall, making sure
the o-ring is not twisted.
Seal body and/or seal faces
worn or damaged.
Replace entire seal.
Seal insert cracked.
Replace seal insert.
Seal springs weak.
Replace springs.
Seal backing ring deformed.
Replace backing ring.
Seal body freedom
diminished.
Disassemble, clean, inspect, lubricate
pieces and reassemble.
Seal drive pin worn or
missing.
Replace with new seal drive pin.
Seal retaining ring out of
place.
Inspect retaining ring and lip seal.
Replace as necessary.
Insufficient spring pressure to
hold body and insert together
after several hours of running.
Replace springs.
Seal body and/or seal insert
damaged by handling.
Always lay seal faces on clean cloth.
Move mutator shaft into operating
position carefully. Do not ram shaft
into place. Inspect seal for damage,
replace as necessary.
New or repaired seal body
installed against a worn or
damaged seal insert, a worn
part, or a worn seal body.
Both need to be in good condition.
Replace.
Excessive wear of seal body
insert.
Do not operate shaft for more than a
few moments without product in
cylinder.
Seal drive pins too high.
Install per dimensions on page 56 or
60 of manual.
PROBLEM
POSSIBLE CAUSE
SUGGESTED ACTION