8
SECTION 5
– MAINTENANCE
5.1 PREPARATION FOR MAINTENANCE
Prior to any system disassembly or service, verify that all requirements of statutory
Codes, Regulations, Standards and Directives are met and that specific site
requirements etc are satisfied. Obtain the appropriate Work Permit if required.
Most maintenance tasks and inspections can be performed with the pump ‘in line’ so long as complete electrical
isolation, depressurising and purging procedures have been completed.
5.2 TO REPLACE MECHANICAL SEAL ONLY
5.3 TO REPLACE COMPLETE QUILL ASSEMBLY ONLY
Replace Ball Bearings at intervals not exceeding recommended operational hours. See
Section 5.5.3
The following instructions are for complete pump disassembly (This may not be required - depending upon scope of
maintenance)
5.4 DISASSEMBLY
(Refer Drawing No. A316001L and A319001L)
1.
Remove
Motor,
Coupling
Guards,
Pump
Coupling half and Pump Shaft Key.
2.
Remove Cover, Impeller and Impeller Key.
The Coupling Guard retaining
screws may be screwed into the
Impeller to aid removal.
3.
Unscrew
four
grubscrews
from
Cartridge. Ref Fig 2
4.
Insert
grubscrews
into
the
two
extraction holes and
screw in evenly to
extract Cartridge or
Quill Assembly.
Fig. 2
Fig 3
Complete Quill Assembly
Complete Quill Assemblies are
available from EBSRAY as a 'Spare
Part' to enhance speed and efficiency of
maintenance.
Removal
Replacement
Follow steps 2, 3, 5, 6, and 7 in
Section
'5.4 Disassembly'
Inspect relevant components as described in Section
'5.5
Inspection'
and repair or replace as required.
Follow steps 1, 2 and 3 in Section
'5.8 Reassembly'
.
Fit Cartridge to Body before fitting and securing
Mechanical Seal Assembly as shown in Fig 5.12 and
Fig 5.13
Then follow steps 10 and 11 in Section
'5.8
Reassembly'
Removal
Replacement
Follow steps 1, 2, 3, 4 and 9. in
Section
'5.4 Disassembly'
:
Inspect relevant components as described in Section
'5.5
Inspection'
and repair or replace as required.
Follow steps 3 and 7 to 14 in Section
'5.8 Reassembly'
CAUTION
DANGER
CAUTION
DANGER
NOTE:
NOTE:
