EN | Operating manual Maintenance and repair of the dryer
40 WVM 45 -1450
Regular maintenance taskse
The table below shows an overview of the regular maintenance tasks. The individual tasks
are described in detail on the following pages.
Component Maintenance task Maintenance interval
daily
monthly
Six-monthly
annually
every 2 years
every 4 years
see page
Dryer Complete visual inspection and
function test.
•
41
Heater Inspect intake opening for regenera-
tion air.
(obstructions)
•
41
Electrical panel Check that the screw connections
and clamps are secured; tighten if
necessary.
(Reduce maintenance intervals in the
event of heavy vibrations.)
•
42
Silencer Renew silencer every year and after
desiccant renewal.
••
42
Control air lter Inspect control air lter and clean or
replace, if necessary.
•
42
Dewpoint trans-
mitter
Renew
•
42
Vacuum pump Inspect bearing and replace, if nec-
essary
•
44
Dessicant sieve Check Dessicant sieve for contami-
nation and clean, if necessary.
•
44
Desiccant Check desiccant for contamination
and replace, if necessary.
•
44
Preliminary and
after lter (op-
tional)
Please refer to the manuals of the installed lters for details on the
maintenance tasks to perform.
When carrying out any maintenance work, please observe the following safety instructions:
Danger!
Working on the dryer when it is switched on and under pressure entails a subs-
tantial risk of injury.
Before starting maintenance work, always shut down the dryer as described on
page 37 !
Risk of injury posed by hot surfaces!
The dryer’s surfaces may remain very hot even after it is switched off. Do not
touch hot surfaces!
Wait until the surfaces have cooled down suffi ciently before starting work on
the dryer.
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