CP80 and CP80 Plus Service Manual 6-131
8. Separate the two halves of the heater slide. Working on one side at a time:
A. Push down on the retaining latch.
B. Separate the two halves just enough to keep the latch from re-engaging
(see inset photo below).
 Separate the two halves of the heater slide slowly. When the two halves
are separated, all of the components are free to fall loose.
C. Repeat this for the other latch and separate the two halves completely.