20 308981
7. Repeat step 5 for the other end of the diaphragm
shaft (15), and torque the fluid-side diaphragm
plates (105) to 80 to 90 in-lb (9 to 10 N-m) at 100
rpm maximum.
Overmolded Diaphragms: The air cover bolts may
make it difficult to assemble the overmolded diaphragms
on the 515 pump. Two people are needed. Use a flat
surface that fits within the bolt pattern to apply pressure
on the diaphragm that has already been assembled.
Apply pressure until the diaphragm shaft sticks out of
the other end of the center housing far enough to attach
the second diaphragm assembly. Screw the assembly
into the shaft (15) hand tight.
8. Install the muffler (3).
9. Make sure all the check valve parts are in place.
10. See
Fig. 8.
11. Reinstall the fluid covers (101) and manifolds
(102 and 103), and torque the fluid cover and
manifold nuts (109) to 80 to 90 in-lb (9 to 10
N-m). See Torque Sequence, page 32.
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