Martin FiberSource QFX 150 User Manual page 20

the cable socket. Center the section and then support the wheel with a finger
from the front as you press the 2 screw heads through the wheel.
5 Replace the lamp access cover before applying power.
To clean opti cal component s
Use care when cleaning optical components. The surface of the color filters is
fragile and small scratches may be visible.
1 Disconnect the fixture from power and allow it to cool completely. Remove the
lamp access cover.
2 Blow or vacuum away loose dust. Remove residues from filters with a soft cloth
or cotton swabs wetted with isopropyl alcohol. Regular glass cleaner may also
be used, but no residues may remain.
3 Rinse with distilled water. Mixing the water with a small amount of wetting
agent such as Kodak Photoflo will help prevent streaking and spotting.
4 Dry with a clean, soft and lint-free cloth or blow dry with compressed air.
To clean t he f an and air vents
To maintain adequate cooling, dust must be cleaned from the fan and air vents
periodically.
1 Disconnect the fixture from power.
2 Remove dust and dirt from the fan blades and vent grills using a soft brush,
cotton swab, vacuum, or compressed air.
To replace the main f use
1 Unplug the mains cable from the input socket. Pry open the fuse holder as
shown.
2 Remove the defective fuse and replace it with one of the same type and rating.
3 Replace the fuse holder in the mains input socket.
20 Basic service