Electronic Theatre Controls Source Four Revolution Manuel d'utilisateur télécharger pdf (Page 39)

Routine Maintenance 35

Adjusting the scroller drive belt tension:

Step 1: See General belt adjustment instructions:, page 34.

Step 2: Remove the scroller if not already done. See Removing and replacing the

Scroller Cartridge:, page 24.

Step 3: Using both hands, gently fold in the IMF doors and move the assembly toward

the rear lens.

Step 4: Loosen, but do not remove, the three motor mounting plate screws so that the

motor moves freely.

Step 5: Turn the pulley back and forth two or three times and allow the spring to take up

the slack in the belt.

Step 6: Tighten the three screws.

Step 7: Pinch the belt together to ensure it maintains pressure and rotate the motor

pulley to ensure it turns freely.

Motor Pulley

Motor Adjustment

Screws

Belt Tension

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Electronic Theatre Controls Source Four Revolution Manuel d'utilisateur Page 39