18 Maintaining Your GC
2 Removing Covers
To Remove the Detector Top Cover
This cover protects the detectors, valve box, and valve assembly.
To remove the detector top cover:
1 Raise it to a vertical position
2 Lift the right side and disengage the pin on the lower left
side.
CAUTION
Do not force the cover, either when installing it or closing it. This
could break the plastic parts.