Overview (Fig. 4)
The bearing of the S 50 KR - shaft consists of a ball bearing with FPM
(FKM) radial shaft sealing rings. The shaft has a dispersion head added
when it leaves the factory.
The dispersion tool can be disassembled for cleaning as described below:
• Unscrew the rotor (21) and blade (22) from the rotary shaft
(2001) using the generator and shaft wrenches included in the tool
kit. The generator wrench is used to hold the rotor while unscrewing
it by turning the shaft from above with the shaft wrench.
Caution: The dispersion head G 45 G has two prominent blades.
• Unscrew the stator (20) from the shaft (11) (left-hand thread).
Insert the cross pin (3mm) of the shaft wrench into the slot on
the end face of the shaft tube. The stator can now be unscrewed
by turning it in the clockwise direction with the generator
wrench.
• Pull the sealing bushing (13) out of the shaft (11). The radial
shaft sealing rings can be pressed out of the sealing bushing
using a suitable drift. When installing the radial shaft sealing
rings the gap between the rings must be packed with grease.
• Press the rotary shaft (2001) with ball bearing (5) down and out
of the shaft tube. The O-ring (7) will fall out of the shaft. Pull the
shaft sleeve (9) off the rotary shaft (2001).
• The bearing bushing (9) must be replaced if it is worn.
Reassemble the dispersion tool in the reverse sequence.
Spare parts : Item Designation
2 Grooved pin
5 Deep-groove ball bushing
7 O-ring
8 Washer
9 Shaft sleeve
11 Shaft tube
13 Sealing bushing
2001 Rotary shaft assembly
Sterilization :
After cleaning the dispersion tools the method A) is suitable for this disper-
sion tool. The methods B) and C) must not be used otherwise the ball bea-
ring and seals will be destroyed.
(See Maintenance, cleaning and sterilization of dispersion tools).
Overview (Fig. 4)
The bearing of the S 50 KG-HH - shaft consists of a ball bearing and a one-
way friction ring seal. The friction rings are made of carbide. The shaft has
a dispersion head added when it leaves the factory.
The dispersion tool can be disassembled for cleaning as described below:
• Unscrew the rotor (21) and blade (22) from the rotary shaft (2001)
using the generator and shaft wrenches included in the tool kit. The
generator wrench is used to hold the rotor while unscrewing it by
turning the shaft from above with the shaft wrench.
Caution: The dispersion head G 45 G has two prominent blades.
• Unscrew the stator (20) from the shaft (12) (left-hand thread).
Insert the cross pin (3mm) of the shaft wrench into the slot on the
end face of the shaft tube. The stator can now be unscrewed by
19
012008
Risk of injury !
Dispersion tool S 50 KR -
Dispersion tool S 50 KG - HH -
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