CAUTION
Risk of device damage caused by switching off the purge air too soon
If the purge air is switched off when the SR unit is still in the gas duct, hot and contami‐
nated gas can cause a device damage.
b
Switch off the purge air unit only after removal of the SR-unit from the gas duct.
9.2
Maintenance plan
Intervall
1
Maintenance task
Reference
1W
Checking measured and control values
(zero / test point).
3M
Visual inspection of system.
see "Visual inspection", page 76
.
Clean the window.
see "Cleaning the window", page 77
Check desiccant cartridges, replace when
necessary. Replace at the latest after 6
months.
see "Check/replace the desiccant car‐
tridge", page 78
Check the purge air unit.
see "Cleaning the purge air unit", page 82
.
Check the optical alignment.
see "Alignment check (option) - automatic
optical alignment check", page 69
6M
Check the pressurized enclosure system.
see "Function test of the pressurized enclo‐
sure system", page 75
Protective gas: Condition, availability, pres‐
sures.
see "Checking the protective gas feed",
page 75
1Y
Replace the activated charcoal bag.
see "Replacing the activated charcoal bag",
page 78
Table 5: Maintenance intervals
1
1W = Weekly, 1M = Monthly, 3M = Every 3 months, 6M = Every 6 months, Y = Yearly
9.2.1
Consumable parts, expendable parts and spare parts
Recommendation for 2 years operation
Part
Number
Part No. (per piece)
Sender lamp, EX version
2 pcs
2064932
Desiccant cartridge
8 pcs
2010549
Activated charcoal bag
2 pcs
5323946
Optical cleaning cloth
8 pcs
4003353
Filter insert for purge air unit
8 pcs
5328662
9.3
Preparation work
NOTICE
Some maintenance tasks will cause the device to switch to malfunction
b
Activate Maintenance mode before starting to work.
9
MAINTENANCE
74
O P E R A T I N G I N S T R U C T I O N S | GM32-Ex
8015558/YYJ8/V1.7/2016-07 | SICK
Subject to change without notice