Edwards ATEX 1 EHR, Instruction Manual

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STORAGE AND DISPOSAL
A750-04-880 Issue F
6 STORAGE AND DISPOSAL
6.1 Storage
6.1.1 Preparation
Use the following procedure to remove the pump from your system in preparation for storage:
1. Shut-down the pump as described in Section 4.4 .
2. Where necessary, disconnect the drive and transmission system from the pump drive shaft: refer to the
manufacturer’s instructions supplied with your transmission system.
3. Purge your vacuum system and the pump with dry nitrogen and disconnect the pump from your vacuum and
discharge system.
4. Place and secure protective covers over the pump process inlet, outlet and sealing liquid connections, and (on
ATEX Category 1 and 2 pumps configured for external seals flush supplies only) over the seals flush connections.
5. Use suitable lifting equipment to move the pump to its storage area: refer to Section 3.7 .
6. Store the pump as described in Section 6.1.2 or 6.1.3 .
6.1.2 Short-term storage
If the pump is to be stored for no longer than two months:

Store the pump indoors, in cool, dry conditions, at an ambient temperature of not less than 5
o
C.

Every 10 days or less, turn the pump drive shaft through three or four revolutions, to turn the pump and
prevent seizure.
When required for use, prepare and install the pump as described in Section 3 .
WARNING
If the pump has been used with a water-based sealing liquid, harmful bacteria may have
propagated inside the pump. Ensure that you wear the appropriate Personal Protective Equipment
(PPE) when you prepare the pump for storage