Manuals / Bunn / Kitchen Appliance / Coffee Grinder

Bunn G9WD, LPG-2, G9-2, G1 DECHAFFER Models LPG & FPG, SERVICE Cont, Optonal Extra, Fine Dechaffer

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

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SERVICE (Cont.)

DECHAFFER (Models LPG & FPG)

FIG. 13 DECHAFFER	P1062
FIG. 13 DECHAFFER
Location:

The dechaffer spring plates are located in the burr housing cap.

Removal and Replacement: Refer to Fig. 14

1.Remove coffee beans from hopper(s).

2.Lay grinder on it’s back.

3.Remove the #4-40 truss head screw securing dechaffer support (1) to the burr housing cap.

4.Remove dechaffer support (1).

5.Remove dechaffer spring plate (2) from burr hosing cap.

6.For models with extra fine dechaffer, remove dechaf- fer support (3).

7Place new dechaffer spring plate (2) in the slot in the burr housing cap.

8.Place dechaffer support (1) over dechaffer spring plate (2), support (3) and secure with a #4-40 truss head screw.

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OPTONAL EXTRA
FINE DECHAFFER
		P1063
FIG. 14 DECHAFFER REMOVAL/REPLACEMENT

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Bunn G9WD, LPG-2, G1 DECHAFFER Models LPG & FPG, SERVICE Cont, Optonal Extra, Fine Dechaffer, Dechaffer Removal/Replacement

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-2EOPERATING CONTROLS Continued Model MHG Power ON/OFF Pad e 100V ModelsModel 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 P602BAG SENSOR SWITCH Models G1, G2, G3 or SERVICE ContCUP SENSOR SWITCH MODEL G2 TRIFECTA SERVICE Cont AC MOTOR AND GRIND CHAMBERSERVICE Cont AC MOTOR AND GRIND CHAMBER contAC MOTOR AND GRIND CHAMBER cont SERVICE ContFIG. 5 GRIND CHAMBER COMPONENTS DC MOTOR AND GRIND CHAMBER - G1MD ONLY SERVICE ContSERVICE Cont DC MOTOR AND GRIND CHAMBER - G1MD ONLY cont12. Slide burr auger rotor/spring assembly and burr SERVICE ContDC MOTOR AND GRIND CHAMBER - G1MD ONLY cont SERVICE Cont MOTOR Models LPG & FPGFIG. 10 MOTOR REMOVAL MOTOR Models LPG & FPG SERVICE Cont8. Remove spacer plate 3 and set aside for reas- sembly 21. Discard old motor and housing assembly SERVICE ContMOTOR 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 ContSERVICE Cont SNUBBER Models G9, G9-2, MHGWHI/ BLU to Snubber LEVEL 2 FUNCTIONS Grinder Scale Model G9WD only CALIBRATIONSERVICE Cont SERVICE Cont Capacitor Model LPG onlyFIG. 20 CAPACITOR SERVICE Cont Circuit Breaker Models LPG, LPG-2E, FPG, FPG-2 DBCRED 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 bluSERVICE Cont Hopper Selector Switch Model G9-2 onlyFIG. 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 P4-6SERVICE Cont Urn/Carafe Switch Models G9, G9-2FIG 30 URN/CARAFE SWITCH SERVICE Cont Batch Selector Switch Model FPGORN to TIMER SERVICE Cont Potentiometer Model FPGFIG 34 POTENTIOMETERS SERVICE Cont Rectifier Models G1 MD, FPG-2 DBCFIG. 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 trifectaSERVICE Cont RELAY 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” lowerSERVICE Cont Timer Model LPG-2EP1061 SERVICE Cont Timer Models LPG, FPGTimer Model LPG-2E P1748SERVICE Cont Timer Model G9If 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 TERMINALSSERVICE Cont FIG 55 CONTROL BOARDControl 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 YESSERVICE Cont FIG 58 MEMBRANE SWITCHMembrane Switches Models FPG-2 & G9-2 DBC SERVICE Cont EMI Filter Models FPG & FPG-2118.0 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 FUNNEL100 VOLTS AC 2 WIRE SINGLE PHASE 50 HZ SCHEMATIC WIRING DIAGRAM G9-2TB DBC W/SMART FUNNELWIRING 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 LPGLPG-A WIRING DIAGRAMS SCHEMATIC WIRING DIAGRAM230 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 HZSCHEMATICWIRINGDIAGRAMG9-2A HD 230 VOLTS AC 2 WIRE SINGLE PHASE 50 HZWIRING 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

DECHAFFER (Models LPG & FPG)

OPTONAL EXTRA

FINE DECHAFFER

FIG. 14 DECHAFFER REMOVAL/REPLACEMENT