4. When the steam generator has cooled, remove the four thumbscrews
and wingnuts (Figure 4-12).
5. Disconnect water inlet from steam generator.
Warning
The internal temperature of the steam generator is hot enough to
boil water. Make certain sufficient time is allowed for the unit to
completely cool before removing the top.
V
6. Lift the top off the steam generator and set it aside.
7. Loosen the four nuts holding the front cover and remove it. Mark the
top of heater location for future reference. Unsnap the two toggle
clamps on the heater.
8. Remove the can through the top of the steam generator, taking care
not to spill water out of the can. Empty the water. Clean the can with
a good quality laboratory detergent and disinfectant. Do not use any
type of chloride cleaner. A bristle brush may be needed for stubborn
rust and scale. Also clean the inside of the steam tube using a test tube
brush. Repeat cleaning with soap and water as necessary.
9. Re-assembly in reverse order. Replace the cabinet top and return
incubator to service.
Model 3940 Series 4-9
Thermo Electron Corporation
Section 4
Service
Clean/Adjust Steam
Generator (continued)
Figure 4-12.
Access to Steam Generator
Summary of Contents for 3940 Series
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