4.2 Operation and maintenance of intake
system
The working component of the intake system is
the three-stage desert filter, which consists of the
cyclonic prefilter, coarse filter and fine filter.
4.2.1 Cyclonic prefilter
The cyclonic prefilter is maintenance-free and is
removed for inspection only when there is abnormal
noise, and if necessary, the rotator should be
replaced.
4.2.2 Coarse filter
1) Check the dedusting valve frequently, and
clean the coarse filter in the case of clogging;
2) Remove and clean the coarse filter carefully
every 2-3 months;
Maintenance steps:
① Remove the fixed points around the bottom
cover; ② Remove the bottom cover; ③ Clean the
dust in the bottom cover and dust collecting duct; ④
Install the bottom cover to confirm the sealing
performance.
△
! CAUTION: The damaged or ageing seal ring
should be immediately replaced with a new one;
the dedusting valve should be replaced with a
new one immediately in the cae of loss, ageing
1.
2.
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