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Évaluations - 1, GPA: 4 ( )

Instructions Bunn, Modèle G9-2

Fabricant : Bunn
Taille : 5.55 mb
Nom Fichier :
Langue d'enseignement: en
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Facilité d'utilisation


5. Check for continuity across the terminals on the bag sensor switch. If continuity is present as described, reconnect the wires, the switch is operating properly. If continuity is not present as described, replace the switch. Removal and Replacement: 1. Remove the wires from the switch. 2. Remove the two #8-32 keps nuts securing the bag sensor assembly to the grinder housing. 3. Remove the two #2-56 screws, nuts and external tooth lockwashers securing the switch to the bag sensor assembly. 4. Mount the new switch to the bag sensor assembly using two #2-56 screws, nuts and external tooth lockwashers. Adjust the assembly by locating the corner of the switch housing to the top edge of the black metal mounting bracket. 5. Reattach the sensor assembly to the grinder housing and secure with two #8-32 keps nuts. 6. Refer to Fig. 2 when reconnecting the wires. WHI/VIO from Off/On/Start Switch WHI/ORA to Terminal “A” on Relay P1705 FIG. 2 BAG SENSOR SWITCH TERMINALS 41545 072710 SERVICE (Cont.) 4. Check the voltage across the white, red or red/ black and white/blue wires on terminals L1 & L2 with a voltmeter. Connect the grinder to the power source. When the Off/On/Start switch is momentarily placed in the “START” (lower) position and then left in the “ON” (center) position and a bag is in place behind the coffee dispense chute. The indication must be: a. 120 volts ac for two wire 120 volt models. b. 230 volts ac for two wire 230 volt models c. 240 volts ac for two wire 240 volt models. 5. Disconnect the grinder from the power source. If voltage is present as described replace the motor. If voltage is not present as described, reconnect the white, red or red/black and white/blue wires to the motor, refer to the Wiring Diagrams and check the grinder wiring harness. Removal and Replacement - Motor (Refer to FIG.6): 1. Remove the plate on the rear of the motor and disconnect all wires from the motor. 2. Remove the two .250”-20 screws (1) securing grind selector dial plate and grind selector knob (2) to the grind chamber. Remove dial plate and selector knob as an assembly. 3. Slide burr (7), auger rotor/spring assembly (3), shear plate (4) and burr rotor cup (5) off the grinder motor shaft as an assembly. 4. Remove the two .250”-20 screws (8) securing the stationary burr (9) to the grind chamber. 5. Remove bushing (10) and shaft extension (11) from the grinder motor shaft. 6. Remove the two #8 thread forming screws (12) securing the fill plate (13) to grinder housing and remove plate (13). 7. Remove the four #10-24 screws (14) securing the chute assembly (15) to the grind chamber and remove chute assembly (15). 8. Remove the four .250”-20 screws, flat washer and rubber washers securing the motor to the mounting bracket. 9. Remove motor out the rear of the grinder housing. 10. Remove the four .250”-20 cage nuts from the motor mount. AC MOTOR AND GRIND CHAMBER P1704 FIG. 3 AC MOTOR AND GRIND CHAMBER Location: The motor is located inside the upper part of the grinder housing. Test Procedure: 1. Remove the plug located on the right side of the housing. Press the red “Reset” button visible through the opening. Listen carefully for a “click”. This resets the motor protection circuit and may indicate that something other than coffee was inserted into the hopper for grinding. If the grinder remains unable to start, proceed to #2. If the grinder stops operating shortly after starting, refer to removal and replacement instructions and inspect for foreign materials. 2. Disconnect the grinder from the power source and place a coffee bag behind the dispense chute. 3. Remove the electrical access panel at the rear of the motor. 41545 122209 SERVICE (Cont.) AC MOTOR AND GRIND CHAMBER (cont.) 11. Clean all grinding burrs and mounting surfaces before reassembly. 12. Install the four .250”-20 cage nuts on the new motor. 13. Place the new motor with hopper collar and bushing into position on the bushings on the motor mounting bracket. 14. Using four .250”-20 screws, flat washers and rubber washers secure the motor to the mounting bracket. 15. Install stationary burr (9) to the grind chamber housing using two .250”-20 screws. 16. Install burr (7) and burr auger rotor/spring assembly (3) on to motor shaft. 17. Install motor shaft extension (11) on motor shaft. 18. Align the slot in the motor shaft extension (11) with the slot in the burr auger rotor/spring assembly (6) and install shear plate (4). 19. Install burr rotor cup (5). 20. Install grind selector dial plate and grind selector knob assembly on the grind chamber housing and secure with two .250”-20 screws. 21. Refer to Fig. 4 and reconnect the wires. 22. Refer to ADJUSTMENTS in the Installation and Operating Manual, and reset the burrs. WHI/BLU to Relay N.O.(K4) WHI to Cordset (120V) RED/BLK to Cordset (230V) GRN to Ground (120V) GRN/YEL to Ground (230V) P1310 FIG. 4 AC MOTOR TERMINALS 41545 122209 SERVICE (Cont.) AC MOTOR AND GRIND CHAMBER (cont.) 18 1 19 17 20 7 6 4 5 11 10 9 8 3...

Ce manuel est également adapté pour les modèles :
Les machines à rectifier - FPG-2 (5.55 mb)
Les machines à rectifier - G2 TRIFECTA (5.55 mb)
Les machines à rectifier - G9 (5.55 mb)
Les machines à rectifier - G9-2T DBC (5.55 mb)

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