VERDER HI-CLEAN VA-2H80 Repair Parts page 17

Using Using Diaphragm Using Diaphragm Diaphragm Install Install Tool Install
To reduce the risk of serious injury, do not put
your fingers or hand between the air cover and the
diaphragm.
If repairs involve removal of fluid covers, these steps
will ease installation of fluid covers. The diaphragm
install tool kit 812.0268 is available separately.
1. Remove the air valve nuts (105), air valve (104)
and gasket (103).
2. Install the supplied diaphragm install tool so that
the arrow (A) points toward the side of the pump
with the diaphragm against the air cover. Install
the air valve (104) and nuts (105). Snug the air
valve cover nuts.
812.0066
Tool Tool
3. Supply the pump with low pressure air, just
enough to move the diaphragm. Use about 0.7
bar (0.07 MPa,10 psi) for standard diaphragms
or 1.4 bar (0.14 MPa, 20 psi) for overmolded
diaphragms. Shop air may be used. The
diaphragm will shift so the second fluid cover
will seat properly. Keep air pressure on until the
second fluid cover is installed.
4. Install the remaining fluid cover and clamp.
5. Remove air supply from pump.
6. Follow the Pressure Relief Procedure, page 9
Disconnect the air valve and the tool.
7. If no other air valve repairs are needed, install
the gasket (103), air valve (104) and nuts (105).
Use a crisscross pattern and torque nuts to 5-6.2
N•m (45–55 in-lb)
Repair
.
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