Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 162)

IM 11M12A01-05E 11-11
11. Inspection and Maintenance
11.3 Replacement of Flowmeter for ZR20H Autocalibration
Unit
(1) Remove pipe holding piping connection.
(2) Remove bolts holding flowmeter, and replace it. A white back plate (to make the
float easy to see) is attached. The end of the pin holding down the back plate must
be on the bracket side.
(3) Replace piping, and fix M6 bolts between brackets. *1
*1 : When disassembling and reassembling, mark original positions, and tighten an
extra 5-108 when reassembling. After tightening, do a liquid leakage test.
C
C
B
B
C’ B’ A’
A
A
Zr20h_g0.eps
Vertical mounting
Horizontal mounting
Fixing screw pairs
Connect piping pairs A-A’, B-B’, C-C’
Figure 11.9 Fixing Flowmeter