Re-Installing The Bottom Panel - Hach 900 MAX Instrument Manual

Section 7

7.6 Re-installing the Bottom Panel

Note: Always follow the procedure
below when re-installing the
sampler bottom panel. Improper
panel installation may result in
damage to
the instrument.
Figure 30 Tightening the Nuts on the Bottom Panel
Page 100
Re-installing the Bottom Panel
To open the controller:
1. Remove the 17 screws from around the perimeter of the controller
back panel.
2. Carefully pull open the bottom panel and let the attached connectors
swing out of the way.
3. If necessary for the repair being performed, unplug the appropriate
connectors. Always note each connector location before unplugging
anything. Re-installing a plug into the wrong connector can cause
extensive damage.
Note: The front panel gasket has a light coating of grease to help ensure a watertight
seal. Do not contaminate the grease or gasket area with dirt or debris during
servicing. Always replace the gasket if it is damaged or missing. Never
reassemble the case without the gasket properly installed.
1. Hand tighten each nut until it makes contact with the panel.
2. Tighten the nuts in sequence shown in
3. Repeat the tightening procedure in the same sequence to 10 in.-lb
(1.13 N-m).
1 10
2
9
17
8
16
7 15 6
Figure 30 to 5 in.-lb (0.56 N-m).
11
3
12
4
13
5
14
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