41
8024638/AE00/V1-0/2019-09| SICK
S E R V I C E M A N U A L | MCS200HW
Subject to change without notice
MAINTENANCE
3
4
Remove the old O-rings (3 pieces each):
▸
Carefully remove O-ring residues from the tubes and cell.
1
Remove O-rings 2 and 3 from the cell.
Fig. 50: Tube, O-rings 2 and 3
2
Remove O-ring 1 from the inside of the tube:
a) Remove the crystal glass from the tube:
▸
Use a tool (e.g. a hexagon key) to press the crystal glass out of the tube from below.
>>> This could destroy the crystal glass.
b) Remove O-ring 1.
Fig. 51: Removing the tube crystal glass
5
Fit new O-rings and new crystal glass (observe sequence):
1
Insert O-ring 1 inside the tube.
2
Place 0-ring 2 outside around the tube.
NOTE: Leak tightness of the system
Damaged surfaces impair the leak tightness of the system.
Do not damage surfaces.
Suitable aids for removing O-ring residues:
– Flat tool (slot screwdriver, scalpel or similar)
– Acetone
1 O-ring 2
2 O-ring 3
O-Ring 1 is located under the crystal glass of the tube and probably sticks to the crystal
glass when removed.