Brooks Instrument 3600 Series - Manual (Page 28)

4-2
Section 4 Maintenance Installation and Operation Manual
X-VA-MT3600-eng
Part Number: 541B075AAG
February, 2011
Models MT3600, MT3601 & MT3602
This instrument contains electronic components that are
susceptible to damage by static electricity. Proper handling
procedures must be observed during the removal, installation, or
other handling of internal circuit boards or devices.
CAUTION !
4-2 Service Information
Should this equipment require repair or adjustment, contact the nearest
Brooks District Sales or Service Office. It is important that servicing be
performed by qualified personnel.
FLOAT REPLACEMENT
1. Remove extension tube adapter from meter body.
2. Remove the float.
3. Insert float, taper down, into top of meter, being sure it slides down into
the orifice.
4. Replace extension tube adapter and tighten securely.
5. Pressure test the meter to 1.5 times the maximum operating pressure
(Refer to meter ratings).
ALARM SWITCH REPLACEMENT
1. Unscrew and remove alarm housing cover.
2. Loosen screw on reed switch holder.
3. Remove reed switch holder from isolation well.
4. Loosen set screw holding reed switch.
5. Remove reed switch from holder.
6. Disconnect reed switch wiring.
7. Prepare new reed switch wires and install new reed switch per appli
cable wiring diagram, Figure 1-7, 1-8 or 1-9.
8. Tighten set screw.
9. Install reed switch holder onto isolation well.
10.Tighten screw on reed switch holder.
11.Connect wiring per appropriate wiring diagram, Figure 1-7, 1-8 or 1-9.
12.To adjust alarm set point refer to Section 4-4.
13.Replace cover.