Hach Lachat QuikChem In-Line Module Manuel D'utilisation page 15

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Figure 7 Tubing replacement on the lamp
Replace the heater block
D A N G E R
Electrocution hazard. Remove power from the instrument before doing
maintenance or service activities.
C A U T I O N
Burn hazard. Turn off power and allow the instrument to cool before
this procedure.
Never disconnect the thermocouple and heat stick when the power is
turned on. The result is uncontrolled heating.
Disconnect the AC input before any part of the instrument is opened.
If the heater has been recently used, let the instrument temperature cool.
The time required depends upon the temperature set point.
1. Remove all power to the instrument.
2. Remove the top right cover panel.
3. Disconnect the heater block tubing.
4. Refer to the QuikChem method to make sure that the type and
amount of tubing required for an application is correct.
5. To add tubing around the heater block, refer to
on page 13 and
Figure
8.
6. To install the heater block, refer to
Prepare the tubing
Install the heater block
on page 7.
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