34
Wet the seal with ethanol, and reinsert the assembled plug into the chamber wall
(Figure 18).
Reattach the face plate using the four socket cap screws and incrementally tighten
the screws using the pattern shown in Figure 19. This will better distribute the force
on the window seal.
To replace the backside window, first remove the lamp housing by unscrewing the
power plug at the base and the two screws holding the housing to the mixing
chamber plate (Figure 20). Proceed as previously described.
Figure 18: Reinserting the
window plug
Figure 19: Face plate tightening
pattern