Emerson Process Management IB106-340 Electronics rotates, repeat Alignment, Excluding Electronics

Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 2.4 April, 2001

POWER SUPPLY BOARD

FUSE

	1		the assembly is secure by gently trying
			to separate the boards.
	+
		9.	Reconnect connector J8 to the power
			supply board. Make sure the connector
	+		is secure.
	+	10.	Holding the J1 connector leads, slide
5A
			the electronic assembly the rest of the
TIME LAG
250VAC			way into the housing. Align the elec-
	+
	+		tronic assembly so that it fits flush on
D	1		the pins. To ensure that it is flush,
3			gently try to rotate the electronics. If
G	+
3
1	+
96
9
REV			the electronics rotates, repeat the
			alignment.
	22220058	11.	Reconnect the J1 connector to the mi-
Figure 6-7.	Fuse Location		croprocessor board. Ensure the con-
			nector is secure and tighten the three
4. Squeeze the J8 connector on the sides			captive screws on the microprocessor
and carefully remove. The electronic			board (top board).
assembly can now be completely re-		12.	Replace the housing cover and ensure
moved from the housing.
			that it is tight.
5. Completely remove the three mounting		6-6 ENTIRE PROBE REPLACEMENT
screws on the microprocessor board.
		(EXCLUDING ELECTRONICS)
6. Turn the electronic assembly over so		Do not attempt to replace the probe until all		6
that you are looking at the bottom of
the power supply printed circuit board.		other possibilities for poor performance have
Gently depress the two white posts one		been considered. If probe replacement is
at a time. Carefully separate the power		needed, see Table 8-1 for part numbers.
supply board from the microprocessor		a. Follow the instructions in paragraph 6-4a.1
board.
		to remove the Oxymitter 4000 from the
7. Remove the fuse and replace it with a		stack or duct. If removing an Oxymitter 4000
new one (Figure 6-7).		with an integrally mounted SPS 4000, follow
		the instructions in paragraph 6-4b.1.
8. Align the white posts with the post		b. Separate the probe and the electronics
holes on the power supply board and
the pin connector on the power supply		housing per paragraph 6-5a,steps 2
board with the connector port on the		through 6.
back of the microprocessor board.		c. Reinstall electronics on the new probe per
Gently push the boards together until
the white posts snap in place. Ensure		paragraph 6-5a,steps 7 through 13.

Rosemount Analytical Inc. A Division of Emerson Process Management Maintenance and Service 6-11