BA series pumps
Maintenance 1401
9.2
9.3 Protecting electrically driven pump unit against unintended
activation
– Switch off the isolation switch by the pump.
– Switch off the main switch for the pump.
– Block the main switch, and lock it with a padlock if possible, to prevent unauthorised activation. Take
the key for the lock with you.
– If it is not possible to do this, remove the corresponding fuse from the pump.
– Place a sign near the main switch or pump fuse holder with the text
‘Do not switch on – work in progress!’
9.4 Protecting diesel engine driven pump unit against
unintended activation
– Stop the engine and, if applicable, remove the key from the switch. Take the key with you.
– If applicable, switch off the earth switch for the engine. Take the key for the earth switch with you.
– If it is not possible to do this, remove the earth cable from the batteries.
– Place a sign near the earth switch or disconnected battery cable with the text
‘Do not switch on – work in progress!’
9.5 Maintenance instructions
– Clean the pump before beginning the work. Make sure the work area is clean.
– Use the correct tools and make sure they are in good condition. Use them in the proper manner.
– Replace damaged bolts, nuts and/or parts with damaged threads with new parts of the same fastener
class.
– Replace used seals or tape. Only replace the flat and filled seals under the plugs with original seals
from BBA Pumps.
9.6 Daily maintenance of the pump
– Check for leaks from the pump and pipes
– Check the shaft seal for leaks
– Check the pressure and temperature of the barrier fluid and/or flush water, if applicable.
– Check the oil level of:
vacuum pump bearings
pump bearings
shaft seal
– Check the operation of the non-return valve.
– Check the operation of the float.
– Check for contamination of the suction strainer and/or filter, if present.
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