Replace RTD
1. Perform
2. Wait for heater to cool.
3. Remove heater cover (10).
4. Cut zip ties around the woven wrap with the RTD
cable (212).
5. Disconnect RTD cable(212) from TCM (453).
6. Loosen ferrule nut (N). Remove RTD (212) from
heater housing (201), then remove RTD housing
(H). Do not remove the adapter (206) unless
necessary. If adapter must be removed, ensure
that mixer (210) is out of the way when replacing
the adapter.
7. Remove RTD cable (212) from woven wrap.
8. Replace RTD (212).
a. Apply PTFE tape and thread sealant to male
threads and tighten RTD housing (H) into
adapter (206).
b. Push in RTD (212) so tip contacts heater
element (208).
c. Holding RTD (212) against heater element,
tighten ferrule nut (N) 1/4 turn past tight.
9. Route wires (S) as before through woven wrap
and reconnect RTD cable (212) to the TCM).
10. Replace heater shroud.
11. Follow startup instructions in the operation
manual. Turn on A and B heat simultaneously
to test. Temperatures should rise at same rate.
If one is low, loosen ferrule nut (N) and tighten
RTD housing (H) to ensure RTD tip contacts
element (212).
ti22870a
Figure 14
62
333024A
