To Know How - GROHE

Single-lever sink mixer 33 770 Single-lever sink mixer 33 334 001
and variants 33 772 001
Maintenance instructions
Shut off hot and cold water supply!
Please perform disassembly in specified order. Assemble in reverse order.
Lever:
1. Lever out plug.
2. Unscrew and remove set screw using a 3mm allen
key.
3. Pull off lever.
Cartridge (Fig.left):
1. Pull off cap.
2. Loosen screws and remove complete cartridge.
3. Replace complete cartridge.
Observe the correct installation position!
Installation instruction: Ensure that the cartridge seals
engage in the grooves on the housing.
Replace screws and tighten evenly and alternately.
Cartridge (Fig.right):
1. Screw off cap.
2. Loosen screws and remove complete cartridge.
3. Replace complete cartridge.
Observe the correct installation position!
Installation instruction: Ensure that the cartridge seals
engage in the grooves on the housing.
Replace screws and tighten evenly and alternately.
Headpart (Fig. right)
1. Pull off shut-off handle.
2. Pull off snap insert.
3. Unscrew and remove ceramic headpart using a 17mm
socket spanner.
Installation instruction: Before installing the shut-off handle,
close headpart, fit snap insert and shut-off handle in
the STOP position.
K 20