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WCB_D4_D4SL_sch5_US.indd
D4 / D4 SL Schedule 5 Series
Double Seat Mix Proof Valves
Instruction Manual: US - rev. 0
Waukesha Cherry-Burrell
®
brand D4 / D4 SL Schedule 5 Valves
14. Trouble Shooting
15. Spare Parts Lists
The reference numbers of the spare parts for the different valve
designs and sizes are included in the attached spare parts drawings
with corresponding lists on the following pages.
Please consider that the spare parts lists for the
D4 valve
and the
D4
SL valve
are different. You find
two separate lists
on the following
pages.
For D4, drawing RN 500.047.02, see page 27 and parts lists on the
subsequent pages.
For D4 SL, drawing RN 501.047.02, see page 30 and parts lists on
the subsequent pages.
Note!
Accompanying products: Column 4 "to be added to spare part order"
indicates the position numbers of the parts which have to be ordered
together with the part which you intend to replace.
Please indicate the following data to place an order for spare parts:
- number of required parts
- designation.
Data are subject to change.
Failure
Valve position
Required seal replacement
closed
open
Leakage at upper housing flange or
yoke
x
x
upper shaft seal (11)
Leakage from the inside of the lower
valve shaft
x
seat seals (10)
Leakage from the inside of the lower
valve shaft
x
middle seal (9)
Leakage at the outside of the lower
valve shaft (remove spray connection
for this purpose)
x
x
lower shaft seal (11)
The position numbers refer to the spare parts drawings.
