Replacing the Tube Pump on the Brother GT-541

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6-1-6. Replacing the Tube Pump Tubes of the Maintenance Unit

(1) Turn off GT-541

(2) Remove the Rear Cover
     (See "7-1. Removing the Covers" for details.)

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(3) Disconnect the Pump TUbe on the top left of the Tube Pump connected with the Drain Plug.

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(4) Pull out the L-shaped Tube Fitting unit on the top right of the Tube Pump.

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(5) Cut the KI Tie with a nipper and then remove it.

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(6) Disconnect the Pump Tube from the L-shaped Fitting.

(7) Remove the two screws (M3 x 35)that fix the Tube Pump Rotor.

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(8) Slide the Tube Pump Rotor upward to remove it.

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(9) Turn over the Tube Pump Rotor and remove the Pump Tube.

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(10) Fit the new Pump Tube in the U-shaped guide groove.
       (Be careful of the direction to route the Pump Tube. Follow the picture below.)

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(11) Apply the grease MOLYKOTE EM30-L (S58541000) lightly on the new Pump Tube. Be careful not to apply too much grease.

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(12) Slide the Tube Pump Rotor back into the Tube Pump Housing, and push down the Tube Pump Rotor until it clicks.

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(13) Fasten the two screws to fix the Tube Pump Rotor. (Tightening torque: 0.5 N-m)

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(14) Connect the Pump Tube on the top right of the Tube Pump with the L-shaped Tube Fitting on the Solenoid Unit, and then bind the elementary part with the KI Tie.

       (Cut out the excess of the KI Tie.)

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(15) Pull out the Pump Tube from the top left of the Tube Pump while rotating the Rotate Gear in the direction of CW by hand.

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(16) Connect the end of the Pump Tube to a Branch Fitting of the Drain Plug.

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