4-5
Installation and Operation Manual
X-TMF-5860E-MFM-eng
Part Number: 541B106AAG
November, 2008
Brooks
®
Model 5860E
Section 4 Maintenance
B. Assembly
Note: It is recommended that all O-rings be replaced during flowmeter
assembly. All O-rings should be lightly lubricated with Halocarbon lubricant
(part of O-ring kit, Section 5) prior to their installation.
1. Examine all parts for signs of wear or damage, replace as necessary.
2. Place the restrictor O-ring on the restrictor assembly. Screw the
restrictor assembly (9) into the inlet side of the flowmeter body using the
restrictor tool, tighten hand tight.
3. Press the lubricated sensor O-rings (4) into the flowmeter body (1).
Press the back up rings (5) into the O-ring cavity above the O-rings.
Be sure that the O-rings are seated square and the backup rings are
below the surface of the body. The back end of the O-ring removal
tool is useful to press the backup rings all the way into the body.
4. Install the sensor assembly (3) as shown in Figure 5-1 and secure
with the two socket head cap screws (6) and washers (7). Tighten
the screws to 18 +2/-4 in-lbs.
5. Install the printed circuit board (2), secure with bracket (13) and two
screws (8). Plug the connector from the sensor assembly (3) onto
the PC Board. The flow arrow on the connector should be pointing in
the direction of the flow.
6. Install the electronics cover (11) on the controller and secure with
three screws (8). Tighten the upper jack post on the D-Connector.
7. Prior to installation leak and pressure test, the assembled flowmeter
to any applicable pressure vessel codes.
