WAGNER PM500 - Cleaning; Replacement of the Suction and Delivery Non-Return Valves; Replacement of the Reversing Valve

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OPERATING MANUAL
VERSION 01/2013 ORDER NUMBER DOC 2335747
a) Remove the suction and delivery manifold.
b) Remove the seals, seats and balls from the diaphragm covers and the manifold's
housings.
c) Check the condition of wear of the ball guide/stops inside the diaphragm cover and
manifold. Replace if worn.
d) Remove all dirt particles as well as hardened material residues. Check the balls and
seats for excessive wear. Clean or replace the components.
e) Clean the contact surfaces of the manifolds and the diaphragm cover and mount the
components. Apply the right torque according to the directions in Chapter 10.2.
It is recommended that the static seals be replaced when reassembling.
9.4 CLEANING / REPLACEMENT OF THE SUCTION AND DELIVERY NONRETURN VALVES
9.5 REPLACEMENT OF THE REVERSING VALVE
a) Unscrew the reversing valve.
b) Put the new reversing valve in its housing.
During the performance of the operations described above, check the positioning of the
valve's seals.