INF-34SECTION 1 SERVICE INFORMATION < RZ31K/RS30K>Chapter 6 Maintenance — Maintenance/replacementENGLISH - 201Attaching the air filter unitLong life filter coverAir filter unitGuide on the long life filter cover (e)Grip on the air filter unit (a)Grip on the air filter unit (b)Guide on the long life filter cover (f)Air filter unitFig. 3Fig. 2Fig. 1Cross section1) Attach the two air filter units to the long life filter cover. (Fig. 1)f Attach the two air filter units to the long life filter cover. The method to attach the two air filter units is thesame.f Align the position so that the grips on the air filter unit (a) and (b) will be outside the guides on the long lifefilter cover (e) and (f), and push in the direction of the arrow by holding the outer frame of the air filter unit.(Fig. 2)f When the two air filter units are attached (Fig. 3), proceed to “Attaching the long life filter cover”next.Notef Make sure that the air filter unit is properly attached before using the projector. If it is not attached, the projector will suck in dirt and dustcausing a malfunction.Attaching the long life filter coverFig. 2Fig. 1Long life filter cover fixing screws1) Attach the long life filter cover to the long life filter mount clasp. (Fig. 1)f Attach the long life filter cover (with the two air filter units attached) to the long life filter mount clasp on theprojector body.f The long life filter cover has no difference between top and bottom.2) Secure the long life filter cover. (Fig. 2)f Securely fix with the two long life filter cover fixing screws (knurled head screws) removed in Step 2) in“Removing the air filter unit”.f When the long life filter cover is secured, proceed to “Resetting the filter counter” next.