Pentair FLECK 9100 SXT Installer Manual page 79

9.4.7.2 Valve produced before November 2009
Info
The seal & spacer cartridge for downflow and upflow are different.
Caution - material
Risk of damage due to wrong lubricant use !
Do not use petroleum-based lubricants such as vaseline, oils, or hydrocarbon-based
lubricants.
Use only approved silicone grease or soapy water !
1. Remove the lower piston, see Lower piston and/or front side seal and spacer kit replacement
[ → Page 76].
2. Using a 8 mm wrench or flat screwdriver, unscrew (3) and remove the end cap (4).
3. Remove the sub end plug (5).
4. Using a small hook, remove a seal (6).
5. Using the puller (1), remove a spacer (7).
6. Repeat the two previous steps for all the seals and spacers.
7. Lubricate all seals (6) with approved lubricant only.
8. Put back a new seal (6) using the stuffer (2).
9. Put back the new plain spacer (8) using the stuffer (2).
10. Put back a new seal (6) using the stuffer (2).
11. Put back a new spacer (7) using the stuffer (2).
12. Repeat the two previous steps for all the seals and spacers.
13. Put back the sub end plug (5).
14. Put back the end cap (4) and screw (3) using an 8 mm wrench or flat screwdriver.
15. Put back the lower piston, see Lower piston and/or front side seal and spacer kit
replacement [ → Page 76].
Ref. MKT-IM-004 / E - 06.10.2020
Installer manual Fleck 9100 SXT - Maintenance
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