ABB LLT100 Operating Instructions Manual page 42

LLT100
Laser level transmitter
2. Dismantle the flange using two hook spanner wrenches with
a diameter of 100 mm. The user provides these wrenches.
Figure 30 Dismantling the flange with spanner wrenches
3. Remove the window O-ring.
4. Clean the window, the O-rings, the flange adapter and the
flange. Replace the O-rings, if damaged.
NOTICE
Do not dismantle the window.
Opening the instrument voids the warranty.
5. Lay down the flange on the table and install the O-ring.
6. Screw the instrument on the flange by hand.
7. Make sure that the window O-ring remains well in place.
8. Tighten firmly with the hook wrenches.
9. Put back the four set screws.
38 User Guide | OI-LLT100-EN Rev. D