2. If the HCDP pump and HCMB pump (on an iH600 and iH1000 system) have been filled with
oil:
•
If you know that dangerous substances have been pumped, or if you are unsure whether
dangerous substances have been pumped or not, leave the oil in the pump(s). Do not
drain the oil.
•
Drain the oil from the pump(s) (as described in Section 6.9 or 6.10) only if you are certain
that dangerous substances have not been pumped.
3. Fit blanking-plates to seal all vacuum inlet and outlet ports. Place protective covers over the
iH services connection points.
iH Dry Pumping System 7-3
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