27
MAINTENANCE MANUAL MODELS 825Y, 825YA, 825, 825D, 825YD & 826YD
REF
NO.
DESCRIPTION
SIZE
2½"
SIZE
3"
SIZE
4"
SIZE
6"
SIZE
8"
SIZE
10"
9 1st
Check
Spring
780-349 780-350 630-142 630-143 630-144 630-145
9 2nd
Check
Spring
630-140 630-141 780-778 780-779 780-780 780-781
42
Resilient W edge
OS&Y Gate V alve
780-891
780-893 780-895 780-897 780-899 780-901
61
Bypass Ki t
905-127 905-127 905-127 905-127 905-127 905-127
61B Meter
(Std.
-
Gal.)
780-666 780-666 780-666 780-666 780-666 780-666
Relief Valve with Bypass: Model 826YD
The following information, combined with the information in this Manual, gives you all the necessary technical information for the 826YD.
For information on Installation, Servicing, Field Testing and Trouble Shooting, please refer to those section in this
Maintenance Manual.
The items listed above are used only on the Model 826YD and are not interchangeable with the Model 825YD.
Model 826 Type YD (2
1
/
2
–10") Parts
Model 826YD
Figure No. 19
61B
61
