Installation S19-2000,
S19-2000EFX
Piston Upper Seat
Piston
Piston Liner
Piston Liner
T
roubleshooting: Piston Disassembly and Cleaning
E
Re-assemb
le the piston assembly. Push the
the piston moves smoothly and consistently. If it is not
consistent, repeat Procedure D until it moves freely, or
for Piston/Liner Kit (part number S65-172).
B
piston liner from the valve body and lift
C
the piston upper seat from the piston liner
D
Dissamb
le and clean the piston assembly parts
steel. (if necessary, use a 400-grit sandpaper to
polish and hone the piston and liner.)
A
Remo
ve the Top Cap and Thermostat
5/8" Push Rod aside.