Pentair FLECK 9000 SXT Installer Manual page 74

Installer Manual Fleck 9000 - SXT - Maintenance
9.2.4.4 Back side seal and spacer cartridge replacement
Valve produced before November 2009
Note
The seal & spacer cartridge for downflow and upflow are different.
Caution
Use only approved silicone grease or soapy water.
No.
Remove the lower piston, see "Lower piston and/or front side seal and spacer kit
A
replacement", page 72.
B Using a 8 mm wrench or flat screwdriver, unscrew (1) and remove the end cap (2).
C Remove the sub end plug (3).
D Using a small hook, remove a seal (4).
E Using the puller, remove a spacer (5).
F Repeat D and E for all the seals and spacers.
G Lubricate all seals (4) with approved lubricant only.
H Put back a new seal (4) using the stuffer.
I Put back the new plain spacer (6) using the stuffer.
J Put back a new seal (4) using the stuffer.
K Put back a new spacer (5) using the stuffer.
L Repeat J and K for all the seals and spacers.
M Put back the sub end plug (3).
N Put back the end cap (2) and screw (1) using a 8 mm wrench or flat screwdriver.
Put back the lower piston, see "Lower piston and/or front side seal and spacer kit
O
replacement", page 72.
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Operation
Ref. MKT-IM-020 / B - 08.06.2018