Air-Operated Diaphragm Pumps VERDER VA 15 VERDER VA 15 VERDER VA 20

Service
Ball or Duckbill Check Valves
NOTE: Fluid Section Repair Kit is available. See page 23
to order the correct kit for your pump. Parts included
in the kit are marked with a double dagger () in
Fig. 7 and Fig. 8 and in the Parts Drawings and Lists.
General purpose grease 819.0184 and Adhesive
819.9741 are supplied in the kit.
1. Relieve the pressure. See Pressure
Relief Procedure on page 10.
Inlet and Outlet for Pumps with Duckbill
Check Valves
Pumps with duckbill check valves are shipped with the inlet
manifold on top and the outlet manifold on the bottom. To
make the inlet manifold on the bottom and the outlet manifold
on the top, rotate each of the four duckbill assemblies vertically
180 as shown below.
2. Remove the top and bottom manifolds (102, 103).
3. Remove all parts shown with a dagger () in Fig. 7 and
Fig. 8.
139
4. Clean all parts, and replace worn or damaged parts.
5. Reassemble the pump.
NOTE: Torque the manifold nuts (109) or bolts (105) to
80 to 90 in-lb (9 to 10 Nm). See Torque Sequence,
page 30.
201
202
9080A
14 819.6900