Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn G2 TRIFECTA, G9 SERVICE Cont, MOTOR Models LPG & FPG, Discard old motor and housing assembly

Models: FPG-2 G9-2T DBC G9-2 G2 TRIFECTA G9 G9WD LPG-2

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21.Discard old motor and housing assembly.

SERVICE (Cont.)

MOTOR (Models LPG & FPG)

	13
	MODEL LPG ONLY
10	11	12	13	14	15	16	17	18
			FIG. 12 ROTOR/AUGER, BURRS AND MOTOR COVER						P1051
			FIG. 12 ROTOR/AUGER, BURRS AND MOTOR COVER

20.Remove the two #8-32 flat head screws securing the motor cover (18) to the motor and housing assembly (17) and remove the cover. Set aside for reassembly.

21.Discard old motor and housing assembly.

22.Place new motor on it’s side and install motor cover

(18)using two #8-32 flat head screws.

23.Install upper burr (16) to the new motor and hous- ing assembly (17) using two #10-32 binding head screws.

24.Install spring retaining bushing (15) on motor shaft.

25.Refer to Fig. 11. Install burr housing divider (8) in slot in the burr housing and secure with #8-32 cup point setscrew (7), for Model LPG-2E only.

26.Refer to Fig. 12. Install rotor (12), lower burr (13) and spring (14) as an assembly on the motor shaft.

27.Install load disc (11) flat side towards rotor.

28.Install burr housing cap (10), adjusting screw, dechaffing spring plate and dechaffer support as an assembly to the new motor and housing assembly

(17)using two #10-32 fillister head screws.

29.Set motor upright with burr housing at the bot- tom.

NOTE: Steps 30 thru 33 apply only to Model LPG-2E.

30.Install solenoids and solenoid bracket (4) as an assembly on the new motor.

31.Install spacer plate (3) making sure the hole in the spacer plate aligns with the hole in the mounting ring.

32.Install solenoid plunger with spring and slide plate

(2) as an assembly into the solenoid coil. Place slide plate on the dowel in the mounting ring. Repeat for the opposite side.

33.Install retaining ring w/hopper gasket (1) using three #8-32 pan head screws and three #8-32 keps nuts.

34.Refer to Fig.10. Install motor, solenoids and solenoid components (2) in the hopper housing (3) using three #10-32 truss head screws (1).

35.Reconnect wires for motor and solenoids. Refer to wiring schematic.

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Bunn G2 TRIFECTA, LPG-2, G9WD, G9-2T DBC SERVICE Cont, MOTOR Models LPG & FPG, Discard old motor and housing assembly

Contents

BUNN-O-MATICCORPORATION SERVICE & REPAIR MANUALGRINDERS Includes MHG, FPG FPG-2, LPG-2,G1, G2, G3BUNN-O-MATICCOMMERCIAL PRODUCT WARRANTY CONTENTS RECOMMENDED DAILY CLEANING CAPACITY CHARTINTRODUCTION ADJUSTMENTSMUST BE COMPLETED BY AUTHORIZED SERVICE PERSONNEL SEE INSTRUCTIONS BELOW BEFORE USINGG9 WD - Packaging & Shim Removal DO NOT PLUG INOff/On/Start Switch Hopper Selector SwitchBatch Selector Switch Optional Dispense TimerOPERATING CONTROLS Continued Model G9Models G1, G2, G3 & G2 trifecta Models LPG, LPG-2EPower ON/OFF Pad e 100V Models OPERATING CONTROLS Continued Model MHGModel G9-2TDBC Batch Selector Switch OPERATING CONTROLS Continued Model FPGModel FPG-2DBC PAD cTROUBLESHOOTING ProblemProbable Cause RemedyTROUBLESHOOTING cont ProblemProbable Cause RemedyProblem Probable CauseRemedy HoppersPROBLEM PROBABLE CAUSEREMEDY TROUBLESHOOTING contSERVICE Component AccessComponent Locations P602SERVICE Cont BAG SENSOR SWITCH Models G1, G2, G3 orCUP SENSOR SWITCH MODEL G2 TRIFECTA AC MOTOR AND GRIND CHAMBER SERVICE ContAC MOTOR AND GRIND CHAMBER cont SERVICE ContSERVICE Cont AC MOTOR AND GRIND CHAMBER contFIG. 5 GRIND CHAMBER COMPONENTS SERVICE Cont LocationDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont SERVICE ContSERVICE Cont 12.Slide burr auger rotor/spring assembly and burrDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont MOTOR Models LPG & FPG SERVICE ContSERVICE Cont MOTOR Models LPG & FPG11.Lay motor on it’s side SERVICE Cont 21.Discard old motor and housing assemblyMOTOR Models LPG & FPG DECHAFFER Models LPG & FPG SERVICE ContMOTOR Models G9, G9-2,MHG FIG. 15 MOTORSERVICE Cont FIG. 16 MOTOR WIRINGFIG. 17 MOTOR AND GRIND CHAMBER Replace if excessively worn or damagedNOTE Burrs must be replaced as a set SERVICE ContSNUBBER Models G9, G9-2,MHG SERVICE ContGrinder Scale Model G9WD only CALIBRATION LEVEL 2 FUNCTIONSSERVICE Cont Capacitor Model LPG only SERVICE ContFIG. 20 CAPACITOR Circuit Breaker Models LPG, LPG-2E,FPG, FPG-2DBC SERVICE ContHopper Selector Switch Model LPG-2Eonly SERVICE ContHopper Selector Switch Model G9-2only SERVICE ContSERVICE Cont FIG 28 OFF/ON/START SWITCHUrn/Carafe Switch Models G9, G9-2 SERVICE ContBatch Selector Switch Model FPG SERVICE ContPotentiometer Model FPG SERVICE ContFIG 34 POTENTIOMETERS Rectifier Models G1 MD, FPG-2DBC SERVICE ContRelay Early Model G-9 SERVICE ContRelay Models G1, G2, G3, G2 trifecta SERVICE ContRELAY cont SERVICE ContSERVICE Cont LocationSERVICE Cont Replace if excessively worn or damagedHopper Slide Plates Models MHG SERVICE ContReplace if excessively worn or damaged SERVICE Cont wires, and proceed to #7Timer Model LPG-2E SERVICE ContTimer Models LPG, FPG SERVICE ContTimer Model LPG-2E Timer Model G9 SERVICE ContTimer Model G9-2 Digital TimerAnalog Timer FIG 52 TIMERControl Board Model MHG SERVICE ContFIG 55 CONTROL BOARD SERVICE ContMembrane Switches Model MHG only SERVICE ContFIG 58 MEMBRANE SWITCH SERVICE ContEMI Filter Models FPG & FPG-2 SERVICE ContFunnel Sensing Coil Models MHG & G9-2DBC SERVICE ContMemory Clock Board Model MHG SERVICE ContMEMORY BOARD GRN WHI RED BLKDisplay Board Model MHG SERVICE ContTRIAC MAP for MHG TRIAC MAP for FPG-2DBC and G9-2DBC SCHEMATIC WIRING DIAGRAM WIRING DIAGRAMS2WIRE SINGLE PHASE 50/60 HZ G9-2DBC, G9-2TDBC W/SMART FUNNELSCHEMATIC WIRING DIAGRAM WIRING DIAGRAMS2WIRE SINGLE PHASE 50/60 HZ G9-2DBC, G9-2TDBC W/SMART FUNNELSCHEMATIC WIRING DIAGRAM G9-2TBDBC W/SMART FUNNEL 100 VOLTS AC 2WIRE SINGLE PHASE 50 HZWIRING DIAGRAMS 2WIRE SINGLE PHASE 50/60 HZSCHEMATIC WIRING DIAGRAM MHG WIRING DIAGRAMSSCHEMATIC WIRING DIAGRAM MHG with WD CBA WIRING DIAGRAMS2 WIRE + Gnd SINGLE PHASE, 50/60HZ 100 VOLTS AC, 120 VOLTS AC 240 VOLTS ACSCHEMATIC WIRING DIAGRAM LPG-2E, LPGB-2EWIRING DIAGRAMS 100 VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASEWIRING DIAGRAMS WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZLPG-A WIRING DIAGRAMSSCHEMATIC WIRING DIAGRAM 230 VOLTS AC 2 WIRE SINGLE PHASE 50/60 HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG W/Capacitor120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG-B 100 VOLTS AC 2 WIRE SINGLE PHASE 50-60HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G1, G2, G3 & G2 trifecta2 WIRE + GRD SINGLE PHASE 50/60 HZ 100 VOLT AC 120 VOLT AC 230 VOLT AC 240 VOLT ACSCHEMATIC WIRING DIAGRAM G9 SCHEMATIC WIRING DIAGRAM G9-URN/CARAFE120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 2 WIRESCHEMATIC WIRING DIAGRAM G9A HD 50 HZWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9WD-RHSCHEMATIC WIRING DIAGRAM G9 SCHEMATIC WIRING DIAGRAM G9WIRING DIAGRAMS 120 VOLTS AC 2WIRE SINGLE PHASE 60 HZ230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZ SCHEMATICWIRINGDIAGRAMG9-2AHDWIRING DIAGRAMS WIRING DIAGRAMS FPGA WIRING DIAGRAMS120 VOLTS AC 2WIRE SINGLE PHASE 60 HZ 230 VOLTS AC 2WIRE SINGLE PHASE 50/60 HZ100 VOLTS AC 120 VOLTS AC 2WIRE SINGLE PHASE WIRING DIAGRAMSFPG-2DBC, FPGB-2DBC 60 HZFPG-2ADBC 230 VOLTS AC50 HZ SCHEMATIC WIRING DIAGRAM