Xylem MM 316E Series 47 and 247 Mechanical Water Feeders User Manual
Page 9
9
X
Z
TO BOILER
Feed
Valve
By-Pass
Valve
Check Valve
WATER
SUPPLY
Make sure that the water level in the boiler is above the
closing level of the feeder.
Close valve 'X' and slowly open union 'Z' to determine if
valve is leaking.
• If water is leaking from the union, the valve needs to
be serviced.
• If no water leaks from the union, the feeder operation
is not the cause of the flooding.
Broken Union Test
E
D
B
H
x 4
A. Using a 1/2" socket wrench, unscrew the four (4) hex-head
bolts (B) that secure the strainer basket (H) to the valve
assembly (E).
B. Using a 13/16" socket wrench, unscrew the cartridge (D)
and remove.
C. Clean any debris (scale, rust, etc.) from strainer and cartridge.
Poppet inside cartridge must move freely. Replace if debris
cannot be removed or poppet does not move freely.
D. Lubricate cartridge o-rings using silicone type lubricant and
re-install.
E. Re-install strainer basket.
Removal of cartridge and strainer for inspection and cleaning