![background image](http://html1.mh-extra.com/html/graco/24x421/24x421_instructions-parts-list-manual_2253410022.webp)
12. Lubricate the shaft, then install it in the air motor
assembly. Turn the diaphragm as you push it
in. Then, tighten the other diaphragm onto the
shaft, hand tight only.
Reassemble
Reassemble
Reassemble the
the
the Fluid
Fluid
Fluid Section
Section
Section
1.
Insert the manifold nuts (18) in the top and
bottom of each fluid cover (6). Align the slot in
each nut with the corresponding tie bolt hole in
each fluid cover.
2.
Position the reassembled center section with the
inlet side up.
NOTE:
NOTE:
NOTE: The inlet side has two holes in a line for
the dowel pins (23). The outlet side has the same
two holes arranged diagonally.
3.
On each tie bolt (24), place two belleville washers
(27), with the rounded side of first washer toward
the permanently-attached nut and the rounded
side of the second washer away from the nut,
then a flat #12 washer (26).
4.
Slide the tie bolts (24) through the retainers
(9), fluid covers (6), and body (1), all oriented
as shown. Use a clamp to hold the sections
together.
5.
On the threaded end of each tie-bolt (24), place
a flat #12 washer (26), two belleville washer (27),
with the rounded side of the first belleville washer
toward the flat washer and the rounded side of
the second belleville washer away from the flat
washer, and a nut (28). Do not tighten yet.
6.
Using a a small hammer and PVC tool (44), tap a
wearable seat (19) into place on the outlet side
of each fluid cover (6).
22
334796G
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Springer Pumps, LLC
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