Precision Control Systems LineIR 5194 - Manual (Page 16)

106687-001 Rev. 2 6-2
3. If installed in the heater, remove the quartz window from the heater by sliding the
window out of the slots machined into the reflector body (see Figure 6-2). Take
this opportunity to clean the window using isopropyl alcohol and a clean, soft
cotton cloth (see Section 6-2).
4. Loosen (do not remove) the setscrews in the ceramic terminal block on each end
of the heater (see Figure 6-3).
Quartz Window
Figure 6-2. Model 5194 Quartz Window Removal.