mcmurdo Smartfind E8 - Page 35

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4. Assemble the HRU:
HRU Replacement Kit (23-134-002B)
5. Mark the HRU and enclosure cover with the new expiry date.
6. Position the HRU in the hole in the lever arm and push lever arm down.
Engage the HRU flange into the enclosure back plate by pushing back
and sliding down. Look under the spring and check that the flange is
correctly seated.