Emerson Rosemount 6888C Instruction Manual page 70

Maintenance and service
July 2018
Figure 8-3: Housing/Strut Exploded View
A. Cover
B. Plastic cover
C. Transmitter board
D. Mounting plate
E. Screws
F. Thermal pad
G. Screws
H. Strut clamp
I. O-ring
J. Screws
K. Viton tube
L. Tube clamp
1. Follow the instructions in
transmitter from the stack or duct.
2. Follow the instructions in
board
3. Remove four screws (E). Remove housing from probe using care not to damage the
strut wire harnesses or O-ring (I).
4. Remove the strut clamp (H) from inside the finned housing on the probe.
5. Remove tube clamps (L) and Viton tubes (K) from the CAL and REF gas ports and the
CAL and REF gas lines. Leave the clamps in place on the hoses for later reassembly.
6. Grasp the wire loop and carefully slide the heater strut assembly out of the probe tube.
7. When replacing the strut, orient the probe so that the small calibration gas tube is at
the 6 o'clock position of the probe tube. Align the slot on the heater plate with the
calibration gas line in the probe tube. Slide the strut into the probe tube.
70
Remove and replace probe
Replace transmitter board
on page 67 to remove the electronics from the housing.
Instruction Manual
00809-0100-4891
on page 64 to remove the
on page 65 or Replace DR terminal
6888C