Bradley EFX 125, Installation Manual

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Installation EFX 125/S19-2300
Bradley
•฀215-1594฀Rev.฀D;฀ECN฀14-09-007฀ 4/17/2014฀ 7
C
If the rod travels less than1/2
"
, the piston is not
moving฀freely฀within฀the฀liner฀and฀they฀must฀be฀
cleaned:
1. Remove the control section assembly, top cap
and thermostat.
฀ 2.฀Unthread฀the฀liner฀from฀the฀cap฀(it฀is฀glued฀
together; the o-rings must be removed and heat
should be applied to melt the glue and loosen
the liner).
฀ 3.฀Clean฀the฀piston฀and฀liner฀with฀any฀cleaner฀
suitable for brass and stainless steel (400-grit
sandpaper may be used to polish and hone the
piston and liner).
Troubleshooting: Piston Disassembly and Cleaning
To prevent injuries, use proper protective equipment for
eyes and skin when using a propane torch.
Thermostat
Top Cap with
Push Rod
7/16"
Rod
Piston Overheat
Chamber
The second mark
should be 1/2"
higher on the rod
than the first mark.
B
Insert a 7/16
"
dia. rod into the valve and into the
piston฀overheat฀chamber.฀Mark฀the฀length฀of฀the฀
rod inside the valve. Push the rod until the piston
stops฀and฀mark฀the฀new฀length.
D
Push฀the฀mechanism฀up฀and฀down฀several฀times฀
to฀make฀sure฀the฀piston฀moves฀smoothly฀and฀
consistently. If it is not consistent, repeat Procedure
C until it moves freely, or replace. Contact your
Bradley฀representative฀and฀ask฀for฀Piston/Liner฀Kit฀
(part number S65-288).
A
Remove the valve’s top cap and pull out the
push rod and then the thermostat. You may use a
needle-nose pliers to remove the thermostat from
the valve body if desired.