INSTRUCTION AND SERVICE PARTS MANUAL - FREEZER CS 800, s/n F0176-00 - ALFRED & CO
N5
• Seals improperly installed.
EXCESSIVE BEARING WEAR
• Oil contamination.
• Operating at excessive pressure and at excessive speeds.
• Improper bearing adjustment
OIL CONTAMINATION
• Prolonged product leakage.
• Failure to change oil.
• Breather positioned wrong.
• Oil seals improperly installed.
• Failure to clean gear case front regularly.
SHORT LIFE FOR SHAFT SEAL
• Running pump dry.
• Nicks or burrs in seal bearings or in seal cavity.
• Improper seal installation.
• Loose bearings.
EXCESSIVE ROTOR WEAR
• Running pump dry.
• Pumping abrasive product.
• Circulating cleaning solution with rotors in.
• Nicks in body and cover.
• Excessive speeds and pressures.
• Extreme and sudden product temperature changes.
ROTOR DAMAGE
• Running pump dry.
• Hard substances passing through pump.
• Loose bearings.
• Nicks and burrs in cover and body.
OIL LEAK
• Breather plugged.
• Oil seal excessively worn.
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