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Repairing a Flat Glass Gage
1. Set the gage on a flat, clean surface.
2. Loosen the end bolts first, then work towards the center, alternating top to bottom and
following the sequence for tightening in reverse (see Figure C on page 16 for
sequence).
3. Remove the cover.
4. Remove the glass, gaskets, cushions and shields from the assembly. Inspect used
components for signs of abnormal wear. Use a brass scraper (shown below) or other
soft tool to remove any seal or cushion gasket remnants. Take care not to gouge or
dent the gasket surfaces.
Promptly dispose of all used components
. (Contact a
local representative to purchase brass scraper.)
5. Thoroughly inspect all chamber gasket surface seating areas. Remove any pitting
damage, steam cuts, gouges or scars on a milling machine. Gasket surface flatness
must be maintained within 0.002” (0.05mm). The minimum material thickness
dimension shown in Figure A (page 14) must also be maintained. On most Jerguson
