Cleaning / Replacement Of The Suction And Delivery Non-Return Valves; Replacement Of The Reversing Valve - WAGNER Zip 52 Finishing Operating Manual

VERSION 11/2018
8.5 CLEANING / REPLACEMENT OF THE SUCTION AND DELIVERY NON-RETURN
VALVES
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 product 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 correct torque, in accordance with Chapter 14.
It is recommended that the static seals be replaced when reassembling.
8.6

REPLACEMENT OF THE REVERSING VALVE

a) Dismount the pressure side cover and remove the reversing valve.
b) To clean it, blow the housing cavity of the reversing valve out with a jet of compressed air (wear safety
goggles).
c) Install the new reversing valve. When doing so, apply the correct torque (see picture in Chapter 10.6).
Mount the valve slider (6) on one of the stroke stop positions. There are four possible positions, each of
them is suitable. Attach the pressure side cover.
During the performance of the operations described above, check the positioning of the valve's seals and
cover including the seal. Apply the correct torque, in accordance with Chapter 14.
The reversing valve of the pump is lubricated at the factory and does not need any
lubrication.
ORDER NUMBER DOC 2332848
Zip 52 Finishing
39