Bunn G9-2T HD User Manual

BUNN®OPERATING & SERVICE MANUALBUNN-O-MATIC CORPORATION OFCANADA LTD.280 INDUSTRIAL PARKWAY SOUTHAURORA, ONTARIO. L4G 3T9PHONE: (905) 841-2866

10The rear panel is attached with eight 8-32 slot-ted head screws.The hopper assembly is attached with four 6-32 slotted head screws with locking nuts

11SERVICE (cont.)Off/On/Start SwitchLocation:The Off/On/Start switch is located to the left sideon the front of the housing above the upper frontinsp

12SERVICE (cont.)MotorLocation:The motor is located in the upper wrapper.Test Procedure:1. Remove the cover plate located on the right sideof the hous

13SERVICE (cont.)Motor (cont.)Removal and Replacement - GRIND CHAMBER1. Remove the two 1/4"-20 screws holding the frontcover to the burr housing.

14SERVICE (cont.)RelayLocation:The relay is located on the timer bracket in thegrinder base. The bracket can be removed by loosen-ing the two 8-32 slo

15SERVICE (cont.)Slide Plate(s)Location:The slide plates are located on the solenoidmounting plate immediately beneath the hopper open-ings.The slide

16SERVICE (cont.)SnubberLocation:The snubber is located at the back of the motorattached to the right side of the wiring harness.Removal and Replaceme

17TimerLocation:The timer is located in the grinder base.Test Procedure:1. Unplug the grinder.2. Check the voltage across contacts 1 & 2 of thelar

184. Check the voltage across contacts 2 & 6 of thelarger connector on the timer board with a volt-meter when the control switch is in any positio

19P61418P4P11831P2P3 111BLK to CordsetBLK to Off/On/Start SwitchWHI/BLK to CordsetWHI/GRN to Relay CoilWHI/ORN to Left SolenoidWHI/YEL to Right Solen

2CONTENTSIntroduction ... 2Warranty ...

20BLUVIOYELGRYTANORAWHI/BLKRED/BLKWHI/GRNWHI/ORAWHI/YELWHI/RED WHI/BLKBLKWHI/REDWHI/BLUMK1SOL1RTSOL2LTSNUBBERL2L1WHI/BLUWHI/BLKYEL120 VOLTS AC2 WIRESI

3USER NOTICESCarefully read and follow all notices on the grinder and in this manual. They were written for your protection. All notices on thegrinde

4ELECTRICAL REQUIREMENTSThis grinder has an attached cordset and requires 2-wire, grounded service rated 120 volts ac,15 amp, single phase, 60 Hz.OPER

5CLEANINGThe use of a damp cloth rinsed in any mild, non-abrasive, liquid detergent is recommended for cleaning allsurfaces on Bunn-O-Matic equipment.

6ADJUSTMENTSThe grind can be set from very fine to very coarse. The amount may be adjusted for use in most commer-cial coffee brewers. The following p

7TROUBLESHOOTINGA troubleshooting guide is provided to suggest probable causes and remedies for the most likely problemsencountered. If the problem re

8TROUBLESHOOTING (cont.)ProblemGrinder will not start.Remedy(A) Plug-in the grinder.(B) Check the voltage at the walloutlet with a voltmeter. It mustb

9Probable Cause3. Relay1. Hoppers2. Bottoms of hoppersRemedyRefer to Service - Relay for testingprocedures. See page 14.Begin each grind cycle by vis