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Cont ...
To disassemble the pump, the following items are required to be removed in the sequence
detailed (Fig. 4).
•
Remove screws (A) and lift complete assembly away and position next to pump ensuring no
stress is placed on the cables.
•
Remove 4 screws (item 1) and gently prise off the pump body – note ‘O’-ring (item 6)
between pump body and mounting plate.
•
Slide impeller away from shaft and remove woodruff key (item 7) – (see note: Fig. 5).
•
Remove circlip (item 2) and mechanical seal parts. (items 3 & 4).
•
Gently prise off mounting plate.
•
Remove Counterface (item 5) from its mounting plate location.
•
Note: Other parts are supplied in this kit and can be used as shown in Fig. 4 if replacement
required.
Note:
Difficulties may be experienced in the removal of the impeller. To overcome this, two
screwdrivers can be used to gently lever the impeller away from the shaft as detailed (Fig. 5),
ensuring equal pressure is applied to each side of the component to avoid bending the shaft.
•
MAINTENANCE & CARE BEFORE REASSEMBLY
To allow ease of reassembly, along with correct functioning of the pump, the following points
on reassembly are necessary:
•
All pump parts must be free from debris and assembled in the correct order.
•
The impeller must be a slide fit on the shaft.
•
The seal must always be replaced as a complete unit.
•
SEAL IDENTIFICATION & ASSEMBLY
The seal is shown in order of identification in Fig 6.
A Seal Counterface complete with rubber cup washer.
B Rotary seal assembly.
C Stainless steel Washer.
D Seal retaining clip.
Fig. 5
NOTE: DO NOT USE EXCESSIVE
FORCE, AS THIS MAY DAMAGE THE
COMPONENTS
Fig. 6
A
B
Rotary seal assembly
Location plate
Spring
Counterface
Rubber cup washer
C
D
