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PLUMBING
MOEN SHOWER MIXING VALVE ASSEMBLY
1. Handle Cover
2. Handle
3. Cartridge
4. Handle Screw
5. Valve Body
6. Stop Tube
7. Retainer Clip
SHOWER MIXING VALVE CARTRIDGE REMOVAL
Shut off water pressure for entire system.
Disassemble: Remove handle cover. Take out handle screw and remove handle and
stop tube. Lift out retaining clip and pull the cartridge out of the body by the stem.
CAUTION: Reinsert cartridge by pushing it all the way into the body and until
the front of the ears on the cartridge shell are flush and aligned with the body.
Replace the retainer clip so that the legs straddle the cartridge ears and slide
down into the bottom slot in the body. This prevents the cartridge from rotating
and locks it in the body. Reinstall stop tube and handle. Tighten handle screw
securely, and replace the handle cover. The red flat on the stem must point UP
when mounting the knob handle (down for lever handle).
If cold water is on left side and hot water is on right side (red flat pointed down),
remove cartridge and reinstall 180°.
Removal and Replacement
1. Cover carpet and cover bottom of shower pan to protect them from damage.
2. Disconnect city water. Shut off water pump.
3. Open drain valves
4. Open galley, lavatory and shower faucets and allow water to drain from lines.
5. Remove screws from top of faucet inspection cover in wardrobe. Tip back and
remove water lines from faucet.
6. Pop out metal insert in control valve handle. Remove screw and pull knob off.
7. Remove screws in escutcheon plate.
8. Disconnect shower hose.
9. Wrap masking tape on chrome fitting so as not to
scratch chrome.
10. Using wrench, remove fitting.
11. Mixing valve, shower outlet, tube and hot and cold feed line assemblies may then
be removed through wardrobe inspection hole.
12. Replace by reversing above procedure.
NOTE: If existing hose clamps were destroyed in removal, they should be re-
placed with screw type clamps.