AB01A.C01
Service instruction POPL-I
Page 5/8
Prepared by: AJ/CML
Issued on: 01 March 1997
Approved by: SL
Rev. date: 12 March 2021
Operation
The mixers have thermal sensors as standard equipment.
Often the mixers are exposed to extremely difficult operation conditions. Therefore, it is important to connect the
thermal control. Burning of the motor due to overheating can thus be avoided. If the safety function has been activated
the mixer must not be re-started until the cause of the disconnection has been found.
Among other things the disconnection can be caused by reduced mains voltage, a propeller blockage, or an
overheated motor. The cooling period for overheated motors can be up to 1 hour.
The agitator must never run above fluid level
Capacity
The mixer’s capacity will always be dependent on the consistency of the medium, but especially on the design of the
tank.
Inspection
Regular inspection will ensure a long life at low costs. The oil must be changed every 6 months/4,300 hours of
operation, however, min. once a year. Under difficult operation conditions, more often than every 6 months.
At inspection, the outer wear bush and the outer sealing ring must be checked.
There are two different kinds of the outer wear bush: a wear bush made of stainless steel and a type designed for
extremely wearing mediums. This is a stainless-steel wear bush, covered with a ceramic material. The ceramic coated
type is characterized by its dark colour on the wearing surface.
With stainless steel wear bush
If the wear bush has deep wear traces, the propeller must be uninstalled.
A spacer pos. F can be installed between the interior wear bush pos. C, and the propeller in order to move the wear
area for the exterior oil sealing ring pos. G. If it is impossible to move the wear area, either because it has been moved
previously, or the wear area is too broad, a new wear bush must be installed. The oil sealing ring must be checked.
With ceramic coated wear bush
Uninstall the propeller and check if the surface on the wear bush is mat/ porous. If this is the case the wear bush pos.
B, is worn and must be changed. It is very important to check the oil sealing ring pos. G for wear with this system.
When the propeller has been removed, check the interior wear bush pos. C for wear traces. This wear bush can be
turned once for a new wear area. The oil sealing rings pos G and H (incl. springs) must be inspected for wear and
replaced if necessary.
A. Grease chamber
B. Exterior wear bush
C. Interior wear bush
D. Grease nipple
E. Grease chamber
F.
Spacer
G. Exterior oil sealing ring
H. Oli sealing rings
Summary of Contents for POP-1
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