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��� <br />' ' � <br /> � External B�otube° Pum Vault <br /> p � <br /> i ��. <br /> � <br /> Maintenance Instructions '-$°°-�� <br />' Model X4S X5S X4D X5D <br />' The pumping system in your E�ernal Biotube Pump Vault* should be inspected annually. If the liquid <br /> level inside the pump vault is several inches lowerthan the liquid level in the tank when the pump is <br /> running,this is an indication that the cartridge is partially plugged** and needs to be cleaned. <br /> � Inspection and Filter Cartridge Cleanin <br /> 9 <br /> ' 1. Disable power to the pump. This can easily be done by <br /> switching the HOA switch to the "Off"position,flipping the <br /> pump control circuit breaker�s)and the control circuit �,r; � <br /> ' breakerto"Off." All these features should be readily - `� '�� <br /> accessible in the control paneL � ° <br /> � � � <br /> ' <br /> ' Step 1:Turning power off <br /> ' � 2 If the discharge assembly contains a ball valve,make sure <br /> it is completely closed. If necessary,disconnectthe union <br /> in order to allow removal of the fifter cartridge. _ _ <br /> ' � <br /> � �� <br /> � ''�'��� <br /> �,: �� <br /> :�, �: _ � <br /> �- ; ,,,�� <br /> :� z. <br /> , -3r� �; , <br /> ' Step Z.•Closing ball va/ve <br /> 3. Slide the cartridge out of the vauft and hold it over the open � � . _ a�,,�� <br /> �►--�--; <br /> inlet of a sepbc tank. Carefully spray the buildup that has - ' � 't `-��; <br /> , formed on the cartridge tubes back into the the tank Do - '^��.;r-�-�: ��� � f ' -��sa j'� � �t <br /> not clean over open vault! If significant solids are evident in '"' ��:�}� `'�, �V��` *� `�� `f �� ''���`' <br /> the bottom of the vau�,go to step 5 for cleaning the vault ~`�;:�'����� ',���'-,��� r �, . � <br /> � � � ` <br /> .,�;: �- <br /> Imporiarrt A/ter cleaning the fiher cartridge,inspect the punp vaul� ,�'� � ��� 1' ;�,'':_:' <br /> and Noat stem a�s�b Ha he�d�ermaintenance is � '" '�`r _'�'�-� ,.��w, -. <br /> ' P�►►�P �Y �Y �quired, �' , a , . ;�. <br /> do not replace the�iher cartridge as d�scribed in Step 4. 6o to step 5� Step 3:Cleaning che filier cartridge <br /> t "U.S. Patent Nos.4,439,323 and 5,294,635 <br /> **Premature plugging of t�e cartridge may resuft from abuse of t�e system. Such abuse might take t�e form of a large <br /> scale home canning projectwidi concurrerrtoveruse ofthe garbage disposal. More likelyt�ough,itwill be excessive <br /> , inflow resufting from a plumbing leak under tfie house,a leaky septic tank,a homeowner taking in laundry,two or more <br /> families using a tank designed for one,etc. Plugging of the carbidge,however,should be considered a success,not a <br /> failure,as tfie carVidge seNes to protectt�e integrity of the collecUon and treatrnent facilities. Cleaning a cartndge is EMI-SVT•SVT <br /> ' R���.0�6�` <br /> quick and easy and infinitely prefera6le to t�e damage t�at solids carryover can cause downstream in the system. P•a•,�� <br />