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9.4.4. Piston and/or seals & spacers and/or brine valve replacement
No.
A
Remove the gearing system, see "Power head disassembly/replacement", page 107.
B
Remove the top plate (1).
Using a 38 mm wrench or a tongue-and-groove pliers, unscrew (2) and remove the piston
C
(3).
D
Remove the brine valve (5).
E
Change the piston (3) and the seals & spacers cartridge (4).
Mandatory
Pentair recommend always to change piston and seals & spacers simultaneously.
Caution
The larger spacer (4) is the lower part of the seals & spacers cartridge.
F
Change or clean the brine valve (5).
G
Lubricate all seals (4+5+6) and with approved P-80
Caution
Using another type of lubricant, such as petroleum-based lubricants (Vaseline, oils, or
hydrocarbon-based lubricants) or silicone grease, may damage the valve.
H
Reverse above procedure steps to rebuild.
Ref. MKT-IM-019 / E - 14.10.2019
Installer Manual Fleck 5812 - XTR - Maintenance
Operation
®
Emulsion lubricant only.
109 / 132
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