11. Service Instructions
The item numbers refer to the spare parts drawings in section 15,
starting on page 27.
For Disassembly/Assembly tools, see chapter 13.
11.1. Removal from the line system
Caution!
1.
Shut off the line pressure in the product and cleaning lines, and
discharge the pipes if possible.
2.
Remove the compressed air lines from the valve actuator (17).
3.
Release the 2 screws at the clamp rings and lift the control unit off the
adapter.
4.
Design with proximity switch holder:
Release the screws at the proximity switch holder and lift off the
proximity switch holder.
5.
Remove the flange screws (27) in the yoke (6). For additional safety,
replace two flange screws with longer screws that are partially threaded
into the flange. Once these longer screws are in place, the other two
flange screws can be safely removed.
6.
Screw one flange screw (27) into the threaded bore of the yoke (6) to
lift the complete valve insert. Do not remove the screw. It helps to re-
install the valve insert.
7.
Carefully lift the valve insert vertically out of the valve housing (1).
17
clamp ring
1
27
6
fig. 11.1.
18
WCB_D4_D4SL_sch5_US.indd
D4 / D4 SL Schedule 5 Series
Double Seat Mix Proof Valves
Instruction Manual: US - rev. 1
Waukesha Cherry-Burrell
®
brand D4 / D4 SL Schedule 5 Valves
!
