62
X-VA-MT3809G-MT3810G-eng/541B182AAG/A/2022-10
Brooks Instrument
Installation Manual MT3809G & MT3810G
Section 4 Maintenance
a.
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1. It is NOT recommended to disassemble these meters. Contact Service
for repair.
b.
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1. Remove the meter from the process line and lay the meter horizontal on
a table.
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inlet by pushing from the top with a round bar stock (3/4” or 19 mm
diameter).
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inserting it into the bottom of the meter. Reinstall and secure the inlet
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c.
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1. Remove the meter from the process line and lay the meter horizontal on
a table.
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/RRVHQWKHÀRDWDVVHPEO\ZLWKWZRVFUHZGULYHUVRQHRQHDFKHQGRI
the meter and turn to loosen the inlet and outlet screws. Remove inlet
screw at the bottom of the meter.
4. Remove the guide vane at the bottom of the meter and gently push the
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d.
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1. Remove the meter from the process line and lay the meter horizontal on
a table.
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gas damper.
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e.
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1. Remove the meter from the process line and lay the meter horizontal on
a table.
2. Remove the top/outlet screw.
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4. To clean the gas damper, unscrew the cylinder head. Then remove the
bolt and take out the small piston carefully so as to not damage the critical
surfaces.
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the inlet/bottom of the meter. Secure the inlet/bottom screw by holding the
damper in place with a pin (1/8” diameter). Replace and secure the top/
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