Martin MAC 250+ Manual de usuario descargar pdf (Pagina 18)

MAC

250 and

MAC

250

Removing modules

Color/gobo/focus module

Disconnect the fixture from AC power and allow it to cool.

Remove the top head shell as shown in Figure 5.

MAC

250: Unplug the wires from the color and gobo wheel sensors and the 3 top motors.

MAC

250

: Unplug the wires from the color wheel sensor and the 3 top motors. Unplug the outside

connector from the junction print behind the gobo wheel.

Pull up the 2 plastic locking pins to release the module. Move the starter wires aside and lift the mod-

ule partially out. Unplug the wires from the bottom motor.

Dimmer module

Disconnect the fixture from AC power and allow it to cool.

Remove the top head shell as shown in Figure 5.

Note whether the module is in the forward or rear position. (The

MAC

250

gives best results with the

dimmer in the forward position.)

Unplug the wires from the top dimmer motor. Pull up the 2 plastic locking pins to release the module.

Unplug the wires from the bottom motor.

Prism module

Disconnect the fixture from AC power and allow it to cool.

Remove the top head shell as shown in Figure 5.

Remove the dimmer module.

Pull the 2 plastic locking pins to release the prism module. Lift the module partially out and unplug

the wires from motors.

Cleaning

Optical components

Use care when cleaning optical components. The surface on dichroic filters is achieved by means of special multi-layer

coatings and even small scratches may be visible. Residues from cleaning fluids can bake onto components and ruin

them.

Allow the components to cool completely.

Wash dirty lenses and filters with isopropyl alcohol. A generous amount of regular glass cleaner may

also be used, but no residues may remain.

Rinse with distilled water. Mixing the water with a small amount of wetting agent such as Kodak

Photoflo will help prevent streaking and spotting.

Dry with a clean, soft and lint-free cloth or blow dry with compressed air.

Fans

To maintain adequate cooling it is important that the fans be cleaned of dust and dirt periodically. Use a soft brush, vac-

uum, or compressed air.

Lubrication

Use silicone lubricant, Martin P/N 37302003 (500 ml) or P/N 37302004 (200 ml, in applicator bottle). No other lubri-

cant is approved for use. When applying lubricant, always remove excess and do not get oil on other parts.

Check the focus mechanism when the head is open and apply a drop of lubricant to the 3 metal slides if movement is

rough.

Lubricate the rotating-gobo bearings if movement is rough on slow rotation or if they become noisy. Apply a few drops

of oil to each bearing from the lamp side of the wheel.

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Martin MAC 250+ Manual de usuario Pagina 18

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