24
IOM-022
MODEL: GSS-4PM
REV: F
13839 West Bellfort Street, Sugar Land, TX 77498
welker.com
Service Department 281.491.2331
Reassembly
35.
Carefully push the diaphragm plate assembly through the seals of the lower diaphragm case.
36.
Apply an appropriate threadlocker to the adapter threads, and then screw the adapter into the shaft.
37.
Attach the diaphragm to the diaphragm plate.
38.
Set the upper diaphragm case in place against the lower diaphragm case.
39.
Following a cross-bolting sequence, bolt the upper and lower diaphragm cases together and tighten by hand.
40.
Return the spider seal to the body.
41.
Return the Vacuum Breaker™ disc to the body. It should rest on top of the spider seal in the body.
42.
Using the machine screws and washers, install the base to the body (
Figure 10
). Tighten the machine screws by hand.
43.
Apply anti-galling compound to the threads on the lower diaphragm case.
Welker recommends Never-Seez® or an equivalent anti-galling compound for use with this unit.
44.
Install the body to the diaphragm assembly.
45.
Screw the sampler onto the standard probe or optional LE-2SSKO.
46.
Maintenance is now complete. See
Section 2.2, Installation,
and
Section 2.3, Start-Up Procedures
, for instructions on
returning the GSS-4PM to operation.
Check valves for leaks and repair as necessary during reinstallation.
