NEC PH1000U - Cleaning the Filter on the Front Side

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7. Maintenance
(2)Slidetheltercovertotherightandtighteneachofthe
twoknobsbyturningthemclockwise.
NOTE:
Besuretocleanbothlters(leftandfrontsides)todisplaythelter
usage hours as accurate as possible.
Cleaning the filter on the front side
1. Removetheltercover.
(1)Looseneachofthetwoknobsbyturningthemcounter-
clockwise.
 •Theknobsarenotremovable.
 •If the knob is too tight to turn, use a Phillips screw-
driver.
(2)Removetheltercoverbypullingitout.
1
2
Knob
2. Removethelter.
 Removethelterbypullingittotheright.
Filter
3. Useavacuumcleanertovacuumallthedustfromthe
insideofthelter.
 Getridofdustintheaccordionlter.
NOTE:
• Wheneveryouvacuumthelter,usethesoftbrushattachmentto
vacuum.Thisistoavoiddamagetothelter.
• Donotwashthelterwithwater.Doingsocanresultindamageto
theltermembraneandalsocauseclogging.