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Installer manual Fleck 3150 NXT/NXT2 - Maintenance
9.4.5
Power head and/or piston and/or seal and spacer kit replacement
1. Using a flat screwdriver, unscrew (1) and open the cover (2).
2. Using pliers, remove the
3. Using a 32 mm wrench, unscrew (3).
4. Using a 10 mm wrench,
5. Using pliers, remove the piston (10).
Caution - material
Risk of damage on piston due to wrench use !
Usind a wrench on piston rod coating will cause leakages.
6. Using a small hook, remove a seal (12).
7. Using the puller, remove a spacer (8 or 9).
8. Repeat the two previous steps for all the seals and spacers.
9. Lubricate each new seals (12).
10. Put back a seal (12) using the stuffer.
11. Put back a
spacer (8
Mandatory
Respect the order of the spacers shown on the sketch.
12. Repeat the two previous steps for all the seals and spacers.
13. Lubricate the piston O-ring (11).
14. Put back the piston (10).
15. Follow the procedure four first steps in reverse order to rebuild.
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 !
9.4.5.1
Special tools needed
150 / 190
clip (6)
and the connecting pin (7).
unscrew (4)
and remove the power head (5).
or 9) using the stuffer.
Ref. MKT-IM-010 / F - 16.01.2023
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