Brooks Instrument GT1000 - Manual (Page 26)

Model GT1000 Series
Installation and Operation Manual
X-VA-GT1000-eng
Part Number: 541B078AAG
March, 2014
4-2
Section 4 Maintenance
4-2 Cleaning
The following procedure may be used for cleaning the tube, float and end
fittings.
1. Remove the four screws securing the front window to the meter, then
remove the front shield.
2. Slide out the plastic tube retainer holding the tube in position. Do not
remove the two screws securing it.
3. Slide the metering tube up behind the plastic tube retainer until it clears
the lower end fitting. When the tube is clear of the end fitting pull out on it
until you can remove it from the upper end fitting. Hold the inlet (lower)
float stop in position when removing the tube.
4. Remove the outlet float stop, float and inlet float stop from the metering
tube.
5. Clean the metering tube, float stops, float and end fittings with a suitable
solvent.
6. Install the inlet float stop into the metering tube. Refer to Figure 1-3 for the
correct orientation of the float. Slide the float into the metering tube from
the outlet end. Replace the outlet float stop in the metering tube.
7. Slide the metering tube onto the upper end fitting. Insure that the plastic
tube retainer is pulled all the way out.
8. Push the metering tube in and down to seat it on the lower end fitting.
9. Push the plastic tube retainer all the way in to hold the tube in position.
Note: Before installing the front window you may wish to clean the inside surface with
a commercial glass cleaner or mild soap and water. DO NOT ATTEMPT TO CLEAN IT
WITH A DRY CLOTH, AS THIS MAY SCRATCH THE SURFACE.
10.Install the front window on the meter and secure with four screws
tightened to 35 inch-pounds (4 Newton Meters).