26
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
3
MAINTENANCE
Fig. 23: Seal the non-return valve
5
Connect the non-return valve to new 90-degree bracket.
6
Observe flow direction (here: in the cell).
7
Screw the non-return valve and 90-degree bracket tight.
Observe the alignment of the non-return valve to the hose connection.
8
Fasten the test gas connection.
9
Close the cell cover and screw tight.
3.4.5
Ejector block maintenance
The ejector block can be serviced with the cell fitted.
The following maintenance work is carried out on the ejector block:
●
Replace the O-ring of the middle section.
●
Replace the O-ring and sealing ring on hose connection 2.
●
Replace the O-rings on the exhaust gas connection and ejector nozzle.
1
Disconnect the MCS200HW power supply.
2
Let the MCS200HW cool down.
3
Loosen the fastening screws of the cell cover on the right and left with a Phillips screw-
driver (4 pieces).
Arrow marking on the non-return valve marks the flow direction (
).
Observe the manufacturer's information regarding installation.
Tools required
Phillips screwdriver
Slot screwdriver
Jaw wrench, size 14/19
5 mm Allen key
3 mm Allen key
2 mm Allen key
Scalpel
Spare parts set No.
Contents
2099680
O-rings and extraction tool
DANGER: Risk of burns due to hot surface.
Allow the MCS200HW to cool down before carrying out any work.
Do not remove the screws, only loosen them.
