Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn LPG-2, G9WD, G9-2T DBC, FPG-2 SERVICE Cont, DC MOTOR AND GRIND CHAMBER - G1MD ONLY cont

Models: FPG-2 G1 FPG G9-2T DBC G9-2 G9 G9WD LPG-2

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12.Slide burr auger rotor/spring assembly and burr

SERVICE (Cont.)

DC MOTOR AND GRIND CHAMBER - G1MD ONLY (cont.)

11.Install burr (7) on burr auger rotor/spring assem- bly (6) securing with two .250”-20 screws (5).

12.Slide burr auger rotor/spring assembly and burr

(3) onto the motor shaft.

13.Install burr rotor disc (4).

14.Install the adjusting screw w/bearing (19) into the grind selector dial plate (18).

15.Install grind selector dial plate (18) with adjust- ing screw w/bearing (19) onto the grind chamber housing and secure with two .250”-20 screws

(1).

16.Install grind selector knob (17) onto the grind selector dial plate (18).

NOTE: Refer to ADJUSTMENTS and reset the burrs.

							18	1	19	17
	5	7	6
23		9	8	11	10	3
23
22
21						4	2	1
20	14									16
	14		7
			7
	15		13
	15		12
			12
	FIG. 8 MOTOR AND GRIND CHAMBER REMOVAL									P1711
	FIG. 8 MOTOR AND GRIND CHAMBER REMOVAL

21	41545 122209

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Bunn FPG, LPG-2 SERVICE Cont, DC MOTOR AND GRIND CHAMBER - G1MD ONLY cont, Slide burr auger rotor/spring assembly and burr

Contents

SERVICE & REPAIR MANUAL BUNN-O-MATIC CORPORATIONGRINDERS Includes MHG, FPG FPG-2, LPG-2, G1, G2, G3 G2 trifecta, G9, G9WDBUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY CONTENTS CAPACITY CHART RECOMMENDED DAILY CLEANINGINTRODUCTION ADJUSTMENTSSEE INSTRUCTIONS BELOW BEFORE USING MUST BE COMPLETED BY AUTHORIZED SERVICE PERSONNEL DO NOT PLUG ING9 WD - Packaging & Shim Removal housing. FigureHopper Selector Switch Off/On/Start SwitchBatch Selector Switch Optional Dispense TimerModel G9 OPERATING CONTROLS ContinuedModels G1, G2, G3 & G2 trifecta Models LPG, LPG-2EPower ON/OFF Pad e 100V Models OPERATING CONTROLS Continued Model MHGModel G9-2T DBC OPERATING CONTROLS Continued Model FPG Batch Selector SwitchModel FPG-2 DBC PAD cProblem TROUBLESHOOTINGProbable Cause RemedyProblem TROUBLESHOOTING contProbable Cause RemedyRefer to Service - Snubber for re ProblemProbable Cause RemedyPROBABLE CAUSE PROBLEMREMEDY TROUBLESHOOTING contComponent Access SERVICEComponent Locations P602SERVICE Cont BAG SENSOR SWITCH Models G1, G2, G3 orCUP SENSOR SWITCH MODEL G2 TRIFECTA SERVICE Cont AC MOTOR AND GRIND CHAMBERSERVICE Cont AC MOTOR AND GRIND CHAMBER contSERVICE Cont AC MOTOR AND GRIND CHAMBER contFIG. 5 GRIND CHAMBER COMPONENTS DC MOTOR AND GRIND CHAMBER - G1MD ONLY SERVICE ContSERVICE Cont DC MOTOR AND GRIND CHAMBER - G1MD ONLY contSERVICE Cont 12. Slide burr auger rotor/spring assembly and burrDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont MOTOR Models LPG & FPG SERVICE ContFIG. 10 MOTOR REMOVAL SERVICE Cont MOTOR Models LPG & FPG8. Remove spacer plate 3 and set aside for reas- sembly SERVICE Cont 21. Discard old motor and housing assemblyMOTOR Models LPG & FPG SERVICE Cont DECHAFFER Models LPG & FPGFIG. 14 DECHAFFER REMOVAL/REPLACEMENT OPTONAL EXTRAFIG. 15 MOTOR MOTOR Models G9, G9-2, MHGSERVICE Cont FIG. 16 MOTOR WIRINGReplace if excessively worn or damaged FIG. 17 MOTOR AND GRIND CHAMBERNOTE Burrs must be replaced as a set SERVICE ContSNUBBER Models G9, G9-2, MHG SERVICE ContWHI/ BLU to Snubber Grinder 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-2 DBC SERVICE ContRED from Motor-LPG-2E BLK from Start Switch-LPG BLK from Power Cord SERVICE Cont Hopper Selector Switch Model LPG-2E onlyFIG. 24 HOPPER SELECTOR SWITCH WHI to OFF/ON/START Switch BLU to Timer P1-4 bluHopper Selector Switch Model G9-2 only SERVICE ContFIG. 26 HOPPER SELECTOR SWITCH VIO to timer P1-2 BLK to Cordset BLK to timer P4-1 SERVICE ContWHI/RED timer to P4-6 BLU to SW2 PNK to Intf conn VIO to timer P1-2 BLK to Cordset WHI/RED timer to P4-6Urn/Carafe Switch Models G9, G9-2 SERVICE ContFIG 30 URN/CARAFE SWITCH Batch Selector Switch Model FPG SERVICE ContORN to TIMER Potentiometer Model FPG SERVICE ContFIG 34 POTENTIOMETERS Rectifier Models G1 MD, FPG-2 DBC SERVICE ContFIG. 37 RECTIFIER TERMINALS SERVICE Cont Relay Early Model G-9Single set timer shown Multi set timer Urn/Carafe similarSERVICE Cont Relay Models G1, G2, G3, G2 trifectaRELAY cont SERVICE ContFIG. 41 RELAY TERMINALS SERVICE Cont Relay Models MHG, FPG-2 DBC, Late Model G-9, G9-2, G9-2 DBCFIG 42 RELAY FIG 43 RELAY TERMINALSThe slide plates must always remain flat for proper operation 5. Inspect the slide plates after reassembly. They must move freelySERVICE Cont Replace if excessively worn or damagedSERVICE Cont Hopper Slide Plates Models MHG5. Inspect the slide plates after reassembly. They must move freely The slide plates must always remain flat for proper operationSERVICE Cont Solenoids Models MHG, FPG-2 DBC, LPG-2, G9-2, G9-2 DBC7. Check the solenoid for coil action when the control press the Off/On/Start switch to “START” lowerTimer Model LPG-2E SERVICE ContP1061 SERVICE Cont Timer Models LPG, FPGTimer Model LPG-2E P1748Timer Model G9 SERVICE ContIf voltage is present as described, proceed to step FIG 52 TIMER Timer Model G9-2SERVICE Cont Digital TimerSERVICE Cont Control Board Model MHGFIG 53 CONTROL BOARD FIG 54 CONTROL BOARD TERMINALSFIG 55 CONTROL BOARD SERVICE ContControl Board Models FPG-2 & G9-2 DBC SERVICE Cont Membrane Switches Model MHG onlyTEST SWITCHES? NO YES PRESS RIGHT HIDDEN TO EXIT NOTHING PRESSED TEST FREQUENCY? NO YESFIG 58 MEMBRANE SWITCH SERVICE ContMembrane Switches Models FPG-2 & G9-2 DBC EMI Filter Models FPG & FPG-2 SERVICE Cont118.0 kΩ - 118.5 kΩ Across either pair SERVICE Cont Funnel Sensing Coil Models MHG & G9-2 DBCFIG 62 FUNNEL SENSING COIL FIG 63 FUNNEL SENSING COIL TERMINALSSERVICE Cont Memory Clock Board Model MHGMEMORY BOARD GRN WHI RED BLKSERVICE Cont Display Board Model MHGFIG 66 DISPLAY BOARD To Control Board J8@ J5-4,5,6 TRIAC MAP for MHGTH1 & MOV2 TH2 & MOV3TH1 & MOV1 TRIAC MAP for FPG-2 DBC and G9-2 DBCTH2 & MOV2 TH3 & MOV3WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM2 WIRE SINGLE PHASE 50/60 HZ G9-2 DBC, G9-2T DBC W/SMART FUNNELWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM2 WIRE SINGLE PHASE 50/60 HZ G9-2 DBC, G9-2T DBC W/SMART FUNNELSCHEMATIC WIRING DIAGRAM G9-2TB DBC W/SMART FUNNEL 100 VOLTS AC 2 WIRE SINGLE PHASE 50 HZWIRING DIAGRAMS 50/60 HZ 2 WIRE SINGLE PHASESCHEMATIC WIRING DIAGRAM MHG WIRING DIAGRAMSWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM MHG with WD CBA100 VOLTS AC, 120 VOLTS AC 240 VOLTS AC 2 WIRE + Gnd SINGLE PHASE, 50/60HZLPG-2E, LPGB-2E SCHEMATIC WIRING DIAGRAMWIRING DIAGRAMS 100 VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZWIRING DIAGRAMS 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPGWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG-A230 VOLTS AC 2 WIRE SINGLE PHASE 50/60 HZ 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG W/Capacitor100 VOLTS AC 2 WIRE SINGLE PHASE 50-60 HZ WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM LPG-BSCHEMATIC WIRING DIAGRAM G1, G2, G3 & G2 trifecta WIRING DIAGRAMS2 WIRE + GRD SINGLE PHASE 50/60 HZ 100 VOLT AC 120 VOLT AC 230 VOLT AC 240 VOLT ACSCHEMATIC WIRING DIAGRAM G9-URN/CARAFE SCHEMATIC WIRING DIAGRAM G9120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 2 WIRE50 HZ SCHEMATIC WIRING DIAGRAM G9A HDWIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM G9WD-RHSCHEMATIC WIRING DIAGRAM G9 SCHEMATIC WIRING DIAGRAM G9WIRING DIAGRAMS 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZ SCHEMATICWIRINGDIAGRAMG9-2A HDWIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS FPGA120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 230 VOLTS AC 2 WIRE SINGLE PHASE 50/60 HZWIRING DIAGRAMS 100 VOLTS AC 120 VOLTS AC 2 WIRE SINGLE PHASE 60 HZFPG-2 DBC, FPGB-2 DBC SCHEMATIC WIRING DIAGRAM230 VOLTS AC FPG-2A DBC50 HZ SCHEMATIC WIRING DIAGRAM