INSTRUCTION AND SERVICE PARTS MANUAL - FREEZER CS 800, s/n F0176-00 - ALFRED & CO
N4
With the rotors removed, inspect the shafts for visible signs of wear.
Installation
CAUTION !
Install or assemble rotor onto shaft by hand, using caution to assemble so
that dimple (match mark) on rotor corresponds with dimple (match mark)
on shaft. See illustration.
• Install back plate and pump chamber.
• Install shafts seals using the seal inserter.
• Apply sanitary lubricant to rotors and shafts.
WARNING !
If these instructions are not strictly followed, severe or complete damage
to the pumps could result.
ROTOR CARE
• Before starting the freezer, and after cleaning, lubricate pump body
Interior with sanitary, food grade lubricant. Do not use silicon
compounds.
• Since the amount and location of wear will differ with each pump, do not
interchange rotors and other pump parts (interchanging parts may result
in erratic operations).
• Never permit pumps to run dry. The most common cause of rotor
damage and wear is lack of lubrication or lack of fluids being pumped.
Running pumps dry or without lubrication may cause rotor surface
temperatures to rise to a damaging point within a few minutes after
starting.
11.2. ROTARY PUMP PROBLEMS
PRODUCT LEAK
• Shaft seal excessively worn.
• Seal bearing excessively worn.
• Seal parts improperly cleaned and lubricated.
• Nicks and burrs in seal cavity and/or seal bearing.
• Loose bearings.
• Abrasive product.
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