65-2640RKSS-04S M2A Transmitter Operator’s Manual
15
Figure 6: Outline & Mounting Dimensions, Detector Junction Box
3. Install 3/16 inch I.D. flexible polyurethane tubing to the fitting at the bottom of the calibration adapter/
splash guard and route it to an accessible area that is close to the M2A junction box. See the “Chapter 9:
Parts List” on page 50 for available tubing.
J-Box
3/4 NPT
Female, 2X
3.34
3.66
3.15
2.40
.20 Dia. x .45
Slot, 2X
3/4 x 1/2 Reducing B ushing
10.50 MAX
Calibration A dapter/
Splash Guard
Combustible Gas
Detector
