Malvern Instruments Mastersizer X, Manual

Page: 69 / 102

Disassembly
To disassemble the Dispersion Unit, disconnect the Dispersion Unit from the
mains supply and unplug the motor connector
À
from the back of the Control
Unit. Remove the sample tubing from the sample out
Á
and sample return
Â
pipes. Unscrew the four slotted screws located under the base of the Dispersion
Unit
Ã
.
On the underside of the main body identify the 3 smallest screws
Ä
, remove
these using a 3mm A/F hex key. Do not disturb the fourth (largest) screw. The
drain section
Å
can now be separated from the tank and motor section
Æ
.
The pump impeller
É
is now visible on the underside of the tank section.
Remove the impeller from the motor shaft by inserting a 1.5 mm A/F hex key in
one of the drive coupling screws (visible through the tank aperture) to stop the
shaft rotating and turning the impeller in a clockwise direction.
SmallVolumeSample
DispersionUnit
I N
S T R U
M E
N T
S
1
3
7
6
10
9
5
4
2
8
ILL3089
C H A P T E R 9
Q S S M A L L V O L U M E S A M P L E D I S P E R S I O N U N I T
P a g e 9 . 3