Martin smartMAC User Manual download pdf (Page 34)

34 smartMAC user manual

Cleaning

The convection-cooled smartMAC needs less frequent cleaning than fan-cooled fixtures, but regular

cleaning is still essential in order to obtain optimum fixture life and performance. Buildup of dust, dirt, smoke

particles, fog fluid residues, etc. degrades the fixture’s light output and cooling ability.

Cleaning schedules for lighting fixtures vary greatly depending on the operating environment. It is therefore

impossible to specify precise cleaning intervals for the smartMAC. Environmental factors that may result in a

need for frequent cleaning include:

• Use of smoke or fog machines.

• High airflow rates (near air conditioning vents, for example).

• Presence of cigarette smoke.

• Airborne dust (from stage effects, building structures and fittings or the natural environment at outdoor

events, for example).

If one or more of these factors is present, inspect fixtures within their first 100 hours of operation to see

whether cleaning is necessary. Check again at frequent intervals. This procedure will allow you to assess

cleaning requirements in your particular situation. If in doubt, consult your Martin dealer about a suitable

maintenance schedule.

Use care when cleaning optical components and work in a clean, well lit area. The coated surfaces are

fragile and easily scratched. Do not use solvents that can damage plastic or painted surfaces.

WARNING! Disconnect from power and allow to cool before cleaning.

To clean the fixture:

1. Disconnect the fixture from power and allow it to cool for at least 30 minutes.

2. Remove the head covers.

3. Vacuum or gently blow away dust and loose particles with compressed air.

4. Remove dust from the head with a soft brush, cotton swab, vacuum, or compressed air.

5. Carefully clean the optical components. Remove smoke and other residues with cotton swabs or

unscented tissues moistened with isopropyl alcohol. A commercial glass cleaner may be used, but

residues must be removed with distilled water. Clean with a slow circular motion from center to edge.

Dry with a clean, soft and lint-free cloth or compressed air. Remove stuck particles with an unscented

tissue or cotton swab moistened with glass cleaner or distilled water. Do not rub the surface: lift the

particles off with a soft repeated press.

6. Reinstall all covers before applying power

Lubrication

In general, the smartMAC does not require lubrication. However, depending on use conditions, the bushes

and slider bars for the focus car may eventually require reapplication of the long-lasting teflon-based grease

applied at the factory. Noise when operating the focus is a sign that lubrication is required. This operation

can be carried out by a Martin service partner if necessary.

Do not lubricate plastic bushes.

Fuse replacement

DANGER! Disconnect from power before opening covers. Replace fuses with ones of the same type

and rating only. Never bypass or bridge a fuse.

The smartMAC is protected by one 4.0 amp, slow-blow type main fuse located in a fuseholder next to the

power input connector on the connections plate.

To replace the main fuse:

1. Disconnect the power cable from the fixture at the power input connector.

2. Use a flathead screwdriver to lever open the fuseholder and remove the fuse for testing or replacement.

3. Replace defective fuses with ones of the same type and rating only. Replacement fuses are available

from Martin.

4. Reinstall the fuseholder before reapplying power.

A further 4.0 amp slow-blow fuse is located on the power PCB. This fuse must be changed by a qualified

electrical technician observing appropriate safety and ESD (electrostatic discharge) precautions.

If a fuse blows repeatedly, disconnect the fixture from power immediately and consult your Martin supplier.

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Martin smartMAC User Manual Page 34

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