Duplication prohibited
MIR 9000
Environnement
S.A
4–13
JULY 2009
MAINTENANCE SHEET
Serial no. MONITOR:
OPERATION SHEET 4.3.7
Subject: Replacing the infrared source
PAGE: 1/1
Frequency: Depending on need
Date
−
Disassembling the optical bench
(Figure 6.3)
•
Switch off the analyzer.
•
Remove the cap from the optical compartment.
•
Disconnect the connectors J3-J7-J8-J9-J12-J13-J14-J16-J17-J20.
•
Loosen the 2 knurled fastening screws and remove the clamp.
•
Free the measurement chamber from the optical compartment and disconnect the 2
I
SOVERSINIC
tubes. Carefully mark their respective positions.
NH
3
/ H
2
O MIR version
•
Switch off the analyzer.
•
Remove the cap from the optical compartment.
•
Loosen the fastenings of the measurement chamber.
•
Disconnect the J13 and J14 connectors and the connections between the optical forks
and the stepping motor control from the IR source block. It can be necessary to disconnect
additional connectors.
•
Free the measurement chamber from the optical compartment, but not completely.
•
Loosen the 4 knurled fastening screws from the IR source block and remove the latter.
−
Replacing the source
•
Loosen the 2 screws (15) to remove the source support (17).
•
Loosen the screw (18). Loosen the screw of the cable clamp collar and remove the wired
source assembly (16).
NH
3
/ H
2
O MIR version
•
Loosen the 2 screws to remove the source support. Collect the anchoring long nuts.
•
Fix the new source onto its frame.
•
To fix the source support, pay special attention to the location of the long nuts.
The chop-
per must not be in contact with the long nuts.
−
Checking the source voltage
•
See chapter 5, paragraph “Adjustment and inspection of the motherboard”.
−
Required tools:
•
∅
4 flat screwdriver,
•
2.5 mm hexagonal male wrench.
Summary of Contents for Envea MIR 9000
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