11. Service Instructions
11.2. Removal of product-wetted parts
1.
Remove the operating cam from the guide rod (7).
2.
In order to take off the adapter, remove the 4 screws.
3.
Release the lower safety nut (15). Hold the lower shaft (3) with an
SW17 wrench to keep it from turning.
4.
After removing the nut (15), lift off the lower shaft (3).
5.
Place the point of the tool along the side of the seat seal (10) and pull it
out of the groove. Take the quad ring (14) out of the groove.
6.
Remove the stop screw (23).
7.
Take the guide rod (7) out through the top of the actuator.
8.
Remove the operating cam at the upper shaft.
9.
Unscrew the safety nut (24). Hold the lock washer (25) with a SW30
key to keep it from turning. Remove the lock washer.
10.
Lift off the actuator (17) with yoke (6).
11.
Slide the shaft bearing (4) over the balancer of the upper valve shaft
(2).
12.
Remove the shaft seal (11) (also 11.1 for 4" and 6" Sh5 only) and guide
rings (12) from the grooves.
13.
Removing the seals in the upper shaft
Place the point of the tool along the side of the seat seal (10) and
middle seal (9) and pull them out of the groove. Take the quad ring (14)
out of the groove.
14.
Removing the lower shaft seal from the housing
Place the point of the disassembly tool along the side of the shaft seal
(11) and pull it out through the top of the housing (1).
15.
For 2" and 3" Sh5 sizes only: Place the metal point of a hook in the gap
of the guide ring (12). Slightly turn the hook to lift the guide ring (12) out
of the groove and housing (1).
operating cam
upper shaft
23
7
25
24
17
6
12
2
detail x
3
15
12
11
fig. 11.2.
operating cam
lower shaft
4 screws
1
11
4
detail x
10
9
10
14
19
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
