Precision Control Systems ChamberIR 4069 - Manual (Page 20)

6-3
6.2 Split Quartz Liner Cleaning and Replacement: The split quartz liner can be
replaced or removed from the Model 4069 for periodic cleaning. Use the following
procedure to remove/reinstall/clean the quartz liner:
Note:
• Remove all power from the heater BEFORE attempting to install/replace the
lamps.
• Always use clean cotton or latex gloves when handling the split quartz liner so
as not to deposit any oils or grease from your hands onto the surface of the split
quartz liner.
1. Open the Model 4069 Heater to allow access to each heater half for split quartz
liner installation.
2. Loosen the screws of one liner bracket and slide the bracket away from the
quartz-liner of one liner half at one end of the heater, while supporting the liner
with other hand.
Figures 6-2 & 6-3. Quartz-Liner Bracket Removal
3. Remove the bracket from the end casting of the heater.
4. Gently slide the quartz liner out of the grooves of the liner bracket from the
opposite end. Take care so that the quartz liner does chip or crack as it is
removed.