Christie Roadie HD+35K User Manual page 152

Section 4: Maintenance
When to Check the Lens
A small amount of dust or dirt on the lens has minimal effect on image quality-to avoid the risk of scratching
the lens, clean the lens only if absolutely required. See below.
When to Check the Lamp Reflector
Inspect the mirror surface (reflector) for cleanliness only during a lamp replacement, when the lamp is out. If
necessary, clean as described below, and ensure that you wear protective clothing while inspecting or cleaning.
NOTE: It is normal that the color on the reflector surface may vary.
Supplies
For cleaning off dust and/or grease, you will need:
• Soft camel-hair brush
• Dust-free blower-filtered dry nitrogen blown through an anti-static nozzle.
• Dust-free lens tissue such as Melles Griot Kodak tissues (18LAB020), Optowipes (18LAB022) or Kim
Wipes or equivalent
• Lens cleaning solution such as Melles Griot Optics Cleaning Fluid 18LAB011 or equivalent. For lens only.
• Methanol. For reflector only.
• Cotton swabs with wooden stems only
• Lens cleaning cloth/microfibre such as Melles Griot 18LAB024 or equivalent.
Cleaning the Lens
If Dusty:
1. Brush most of the dust off with a camelhair brush and/or blow dust away with compressed air.
2. Fold a microfibre cloth smooth and gently wipe remaining dust particles off the lens. Make sure to wipe
evenly with the smooth portion of the cloth that has no folds or creases. Do not apply pressure with your
fingers. Instead, use the tension in the folded cloth itself to collect the dust.
3. If significant dust is still bound to the surface, dampen a clean microfibre cloth with lens cleaning solution
(damp, not dripping). Wipe gently until clean.
If Fingerprints, Smudges, Oil:
1. Brush most of the dust off with a camelhair brush and/or blow dust away with compressed air.
2. Roll a lens tissue around a swab and soak in lens cleaning solution. Tissue should be damp but not
dripping.
3. Gently wipe the surface using a figure 8 motion. Repeat until blemish is removed.
Cleaning the Reflector
If Dusty:
1. Brush most of the dust off with a camelhair brush and/or blow dust away with compressed air.
2. If some dust remains, just leave as is-air circulating at the lamp is unfiltered, so some dust is inevitable.
Avoid unnecessary cleaning.
4-4 Roadie HD+35K User Manual
020-100340-02 Rev. 1 (01-2010)