Troubleshooting
Ampco Pumps Company
Page 21
Troubleshooting
The AC+ Dry Blender requires little maintenance however, it is necessary to sanitize
and inspect the equipment regularly. It is expected that occasional problems will occur.
This section of the service manual is intended to assist you in determining the cause
of the problem, and how to correct the problem you may be having with your blender.
Problems with the motor drive should be directed to the motor manufacturer.
Symptom
Cause
Solution
No suction
Wrong supply pump or
need of discharge pump
Verify that pumps are sized correctly
to suit application. Contact Ampco
Pumps Company if you require as-
sistance
Leak on the suction side
of the supply pump or
blender
Tighten all clamps and fittings. Re-
place worn out gaskets
Carbon seal is worn
Replace carbon seal on blender
and/or supply pump
Wrong direction of rotation
Reverse a three phase motor by
switching any two of the three power
leads at the motor or controller
Liquid inlet port on the
wrong side
Remove inlet adapter housing and
relocate so it is correctly positioned
as shown on the exploded view pag-
es
Splashing in the suction
throat of the Tri-Blender
High Flow–
oversized supply pump;
Verify that pumps are sized correctly
to suit application, and reverse a
three phase motor by switching any
two of the three power leads at the
motor or controller
High percentage of solids
Install discharge pump on the dis-
charge end of the Tri-Blender
High temperature
Reduce temperature below 140°F
(60°C)
Insufficient discharge
High percentage of solids
with screen in casing
Remove Screen
No liquids
Check supply pump
Product too viscous or dis-
charge head too great
Add discharge pump
Excessive power
consumption
High percentage of solids
with screen in casing
Remove Screen
No liquids
Install discharge pump on the dis-
charge end of the Tri-Blender
Ampco Pumps Company AC+ Dry Blender Manual M-028 Rev C 12.20
