Installation S19-2000, S19-2000EFX
Bradley • 215-1291 Rev. R; ECN 14-09-026 7/23/2014 7
Piston Upper Seat
Piston
Piston Liner
Piston Liner
Troubleshooting: Piston Disassembly and Cleaning
E
Re-assemble the piston assembly. Push the
mechanism up and down several times to make sure
the piston moves smoothly and consistently. If it is not
consistent, repeat Procedure D until it moves freely, or
replace. Contact your Bradley representative and ask
for Piston/Liner Kit (part number S65-172).
B
Using a 15/16" socket wrench, loosen the
piston liner from the valve body and lift
out with a needle-nose pliers.
C
Using a 1/2 deep socket wrench, loosen
the piston upper seat from the piston liner
and lift out parts with a needle-nose pliers.
D
Dissamble and clean the piston assembly parts
with any cleaner suitable for brass and stainless
steel. (if necessary, use a 400-grit sandpaper to
polish and hone the piston and liner.)
A
Remove the Top Cap and Thermostat
Assembly as shown on Page 6. Set the
5/8" Push Rod aside.
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