SPX Waukesha Cherry-Burrell Votator II, Руководство по эксплуатации и обслуживанию

Страница: 80 / 84

Troubleshooting Waukesha Cherry-Burrell
Page 80 95-03057 October 2005
PROBLEM POSSIBLE CAUSE SUGGESTED ACTION
Lower back pressure required to
achieve desired refrigerant
temperatures.
System operating at a high
vacuum causing water in
refrigeration system.
Refer to “Water and Air in Refrigeration
System” on page 82.
Increased compressor head pressure. Air in refrigeration system. Refer to “Water and Air in Refrigeration
System” on page 82.
Increased gas discharge temperature. Air in refrigeration system. Refer to “Water and Air in Refrigeration
System” on page 82.
Seal head will not install properly. Twisted when installed. Lubricate before installing.
Installed wrong size, distorted
O-ring, or cut O-ring.
Replace O-ring.
Wrong O-ring compound (ring is
a different color than normal).
Replace with specified O-ring. If unsure
of correct O-ring, contact WCB.
Damaged seal head insert. Replace entire seal.
Recess in head for seal head
insert damaged.
Contact WCB for repair instructions.
Seal body not effective. O-ring twisted when installed. Lubricate before installing.
Wrong O-ring compound (ring is
a different color than normal).
Replace with specified O-ring. If unsure
of correct O-ring contact WCB.
Damaged seal body. Replace entire seal.
Damaged seal backing ring. Replace seal backing ring.
Damaged shaft at O-ring sealing
surface.
Contact WCB for repair instructions.
Seal ring rotating in seal body. Assemble ring in body without
lubrication.