4. Unscrew the outer extension tube
from the cup assembly (see Figure 4).
5. Separate the inner extension tube
and pull out the diaphragm
(see Figure 5).
6. Inspect the diaphragm for wear
and rinse it thoroughly with water.
Replace it if necessary.
To reinstall diaphragm:
1. Attach diaphragm to inner extension
tube.
2. Insert inner pipe and diaphragm
into cup assembly. Align diaphragm
tabs with notches and pull straight
through (do not twist) until the edge
of the diaphragm is visible
(see Figures 6 and 7).
3. Thread on the outer extension tube
and slide the thrust washer and the
handnut over the outer extension
tube (see Figure 8).
10
Outer Extension Tube
Cup Assembly
Figure 6
Cup Assembly
Figure 4
Notch
Tab
Figure 7
Handnut
Upper Thrust Washer
Outer Extension Tube
Figure 8
Figure 5
Edge of
Diaphragm