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Revised 06/09 

C-320/C-320C and C-380/C-380C Technical Service Manual

3

Flowchart C

Shredder runs but makes noise

A motor bearing

may be defective

Procedure:

Replace Motor

Cutting cylinders

may need oil

Lubricate cutting

cylinders

Cutting cylinder

may be

damaged

Squeaking

noise?

Turn on

shredder ;

listen to noise

Did Squeaking

Stop?

Stripping devices

may be defective

Procedure:

Replace

Stripping

Devices

Squealing

noise?

Clunking/

Grinding

noise?

Cutting

assembly gear

may be

damaged

Procedure:

Remove

Gearbox

Examine gears;

replace as

needed

Procedure:

Repair Cutting

Assembly

No

Yes

Yes

No

No

Yes

Summary of Contents for Powershred C-320

Page 1: ...POWERSHRED Technical Service Manual for Models C 320 C 320C C 380 C 380C June 2009 ...

Page 2: ......

Page 3: ...0 Flowchart A 11 Flowchart B 12 Flowchart C 13 Flowchart D 14 Flowchart E 15 Tools and Supplies 16 Cabinet and Housing 17 Replace Caster Assembly 17 Remove Housing Cover 18 Remove Replace PC Board 19 Mechanical Assemblies 20 Remove Cutting Assembly and Motor from Cabinet 20 Remove Gearbox 21 Remove Motor 22 Electrical Assemblies 23 Replace Capacitor 23 Replace Power Receptacle 24 Replace Basket Fu...

Page 4: ...C 320 C 320C and C 380 C 380C Technical Service Manual Revised 06 09 ii Notes ...

Page 5: ...y If there are no specific instructions for reassembling an item simply reverse the disassembly procedure From the service and repair perspective all four models are similar except for the cutting assemblies The C 320 and C 380 are strip cut shredders The C 320C and C 380C are confetti cut shredders The C 320 and C 320C shredders work with standard letter and A size paper The C 380 and C 380C shre...

Page 6: ... is 150 Safety When servicing a shredder observe the following safety precautions Never put a hand fingers or foreign objects into the paper entry slot or throat Keep all loose articles of clothing ties jewelry long hair or other loose objects away from the paper entry slot Always turn off and unplug the power cord at the wall outlet before doing any work on a shredder Use only the specified repla...

Page 7: ...lvents or aerosol sprays to clean the exterior of the shredder Internal Cleaning The shredder does not require periodic internal cleaning However when the shredder is being serviced perform these maintenance tasks Remove any paper strips or pieces that may have collected around the cutting assembly If lubricated parts are dusty wipe away the dust with a soft cloth Use a small brush or vacuum to re...

Page 8: ... the Manual Forward button for at least 3 seconds 4 Press and hold the Reverse button for at least 3 seconds 5 Repeat the forward reverse sequence 3 or more times Operation Control Panel The control panel is located on the shredder cover The panel contains switches and buttons indicator LEDs and a Ready light Control Panel Switches I Automatic Turns on the auto start sensor and the green Ready lig...

Page 9: ...t shredders CAUTION Never attempt to force jammed material through the shredder If the paper jam light is on follow these steps until the light turns off 1 Unplug the shredder 2 Check the wastebasket and empty if full Replace the basket and make sure the door ajar switch is fully engaged 3 Plug in the shredder Press and hold the reverse R switch to back paper out of the paper entry slot Try pullin...

Page 10: ...mon electrical problems result from an opened door loose wires a defective PC board LED PC board control panel and or bin full sensors Verify the On Off disconnect switch located on the back of the shredder is in the On I position Check the basket to make sure it is not overfilled and is properly positioned in the cabinet Press the Automatic I switch then press the Manual Forward button to start t...

Page 11: ... pins 1 through 9 with 1 on the left motor side 6 Follow this sequence to test the main PC board a Jump pins 1 8 Cutters should rotate forward continuously b Jump pins 1 9 Cutters should rotate forward only while pins are jumped c Jump pins 1 7 Shredder should turn off no LEDS are illuminated d Jump pins 1 6 Cutters should rotate in reverse To test for a faulty LED PC board 1 Plug the shredder int...

Page 12: ...ft hand corner of the PC board should light indicating the shredder is on c Jump pins 1 4 Shredder should turn off no icons are illuminated d Jump pins 1 5 Cutters should rotate in reverse To test for a faulty control panel PC board Test for a faulty main PC board and or LED PC board If both are functional and the problem persists then the control panel PC board is faulty Occasionally the capacito...

Page 13: ... noise it may need to be lubricated Try oiling the cutting shafts To do this apply the lubricating oil through the paper entry slot on the cover Run the cutting system forward and backward several times without feeding paper Then feed paper through the shredder See the Lubrication instructions in the General Maintenance section of this manual for additional instructions If these simple solutions d...

Page 14: ...rts that begin with a typical shredder problem Flowchart A Shredder does not start Flowchart B Indicator lights Flowchart C Shredder runs but makes noise Flowchart D Paper cutting problems Flowchart E Frequent paper jams The flowcharts are designed to provide you with a starting point for identifying isolating and repairing problems ...

Page 15: ...le at wall outlet Check for loose internal electrical connections Procedure Replace Operator Panel Board Replace power cord if defective Replace power outlet if defective Procedure Replace Power Outlet Power System Check sensors clean if necessary Check for loose or defective wires Replace sensor if defective Procedure Replace Operator Panel Board Auto On Reverse Switch Paper Entry Sensor Make sur...

Page 16: ...sound check light Procedure Replace Door Ajar Switch Replace basket full sensors if needed Door Ajar light is on Press reverse manual forward switches to clear jam Allow motor to cool then restart shredder Basket Full light is on Paper Jam light is on Replace operator panel PC board Procedure Replace Basket Full Sensor Procedure Replace Operator Panel PC Board Is the light still on Yes ...

Page 17: ...eed oil Lubricate cutting cylinders Cutting cylinder may be damaged Squeaking noise Turn on shredder listen to noise Did Squeaking Stop Stripping devices may be defective Procedure Replace Stripping Devices Squealing noise Clunking Grinding noise Cutting assembly gear may be damaged Procedure Remove Gearbox Examine gears replace as needed Procedure Repair Cutting Assembly No Yes Yes No No Yes ...

Page 18: ... to cut paper Go to Flowchart E Cuts paper but not well Frequent jams Check for mechanical problems Motor gear is stripped or damaged Drive gears are stripped or damaged Replace gears as needed Replace motor if damaged Procedure Remove Gearbox Procedure Replace Motor Check paper cuts are edges perforated not loose Wavy or fish bone Applies to confetti cut shredders only ...

Page 19: ...er fed Check current limit adjustment setting Procedure Set Current Limit Adjustment If slippage replace cutting cylinder If alignment adjust timing Procedure Adjust Cutting Cylinder Timing Procedure Replace Cutting Cylinder Check cutting cylinder teeth for slippage alignment Run shredder using rated paper quantities Current limit is factory preset on original pc board Applies to replacement pc bo...

Page 20: ...operly service the Fellowes shredders Models C 320 C 320C C 380 and C 380C Screwdrivers Phillips screwdrivers Flat blade screwdriver Pliers Long nose pliers Wrenches Sockets Socket wrenches w extension Hammers Rubber mallet Plastic end hammer Miscellaneous Gear puller Supplies Gear grease Cleaning solvent Powershred lubricant Gloves optional ...

Page 21: ...oat on the cover CDs DVDs and credit cards are fed through the CD entry slot Replace Caster Assembly The caster assembly screws into a threaded socket on the bottom of the cabinet 1 Remove the wastebasket 2 Select a suitable work surface and put a blanket mat or other cover down to prevent damage to the shredder 3 Lay the shredder on its side on the blanket 4 Turn the nut counterclockwise to remov...

Page 22: ...p at the front of cabinet 3 Remove the 3 screws that hold the cover to the rear of the cabinet 4 Lift up the CD feed slot on the top of the cabinet and remove the 2 screws that hold the cover to the metal guards that protect the cutting assembly 5 Grip the housing cover on both sides then gently lift the cover off the cabinet Be careful not to damage the plastic cable 6 Disconnect the cable from t...

Page 23: ... electrical outlet 1 Disconnect the 2 power wires red and black from the disconnect switch see wiring diagram 2 Disconnect the 3 motor wires from the PC board 3 Disconnect the black and blue wire tabs from the capacitor and remove them from the wire guides 4 Disconnect the basket full sensor wire connector from the PC board 5 Remove the 4 screws that hold the PC board to the cabinet shelf and remo...

Page 24: ...otor 1 Remove the screw that holds the motor ground wire yellow green to the cabinet shelf 2 Remove the 3 motor wire tabs from the PC board 3 Remove the 2 bolts and washers that hold the motor to the cabinet shelf 4 Remove the 4 bolts and washers that hold the cutting assembly bearing plates to the cabinet shelf 5 Remove the 2 screws that hold the door ajar switch to the cabinet to access a bearin...

Page 25: ...ve the 6 screws and washers that hold the gearbox to the left bearing plate 2 Pull the gearbox away and up from the bearing plate 3 Remove the outermost white plastic gear 4 Remove the other white plastic gear and the metal gears that fit in it Note If you are unable to protect the bin full flap remove it from the bearing plates Do this First Remove Cutting Assembly and Motor from Cabinet Tools Ph...

Page 26: ...st be replaced To remove the motor 1 Make sure the large plastic gear that meshes with the motor drive shaft is removed 2 Remove the 4 bolts and locking washers that hold the motor to the left bearing plate 3 Support the bearing plate and cutting assembly as you remove the motor Do this First Remove Gearbox TOOLS Phillips screwdriver motor drive shaft motor mounting bracket motor wires ...

Page 27: ...ure the shredder is disconnected from the power source To replace the capacitor 1 Disconnect the 2 wire tabs that connect the old capacitor to the PC board Note the color and location of these wires Note Be careful not to damage the PC board or the wires connected to it 2 Remove the 2 screws that hold the capacitor to the cabinet shelf Remove the old capacitor 3 Attach the new capacitor to the cab...

Page 28: ...eptacle 2 Remove the 2 screws that hold the support bracket to the cabinet shelf 3 Push the receptacle through the opening at the back of the cabinet 4 Remove the 2 screws that hold the receptacle to the support bracket 5 Place the new receptacle in the support bracket 6 Place the receptacle through the opening in the cabinet and attach the support bracket to the cabinet shelf 7 Reconnect the wire...

Page 29: ... diagram To replace the C 320 and C 380 basket full sensor 1 Disconnect the basket full sensor wire connector from the PC board See the wiring diagram 2 Remove the screw that holds each basket full sensor bracket to the underside of the cabinet shelf Note the color of each LED 3 Separate the 2 pieces of the bracket and remove the LED 4 Thread a new transmitter or receiver LED through the opening i...

Page 30: ...on the front of the cabinet The plug makes contact with the door ajar switch If the switch is working properly you will hear a clicking sound from the switch when the door is opened and closed If the switch is not working the door ajar troubleshooting light will activate and the motor will not start until the door is closed properly Two screws hold the switch to a support on the cabinet shelf Thre...

Page 31: ...r 4 Disconnect the operator panel switch cable from the operator panel board 5 Connect the operator panel switch cable to the new operator panel board 6 Put the new board in position and replace the 2 screws that hold the board to the cover 7 Put the auto start LEDs in the openings along the paper entry slot and replace the LED support Put the wires in the wire guides 8 Put the large cable in the ...

Page 32: ...current limit adjustment screw on the PC board clockwise Repeat step 1 b If the machine jams the red paper jam light goes on and the shredder runs in reverse for one second to clear the jam go to step 2 Note Turn the current limit adjustment screw counterclockwise to increase the capacity Turn it clockwise to decrease the capacity Note Based on Table 1 the paper jam should occur after shredding 1 ...

Page 33: ...ke sure the Door Ajar light is working c Open the cabinet door and cover the bin full sensors with a piece of masking or non clear tape Close the door turn on the shredder and wait about 8 seconds for the bin full sensor to turn on When the bin full sensor light turns on remove the tape from the sensors d Press the Manual Forward button to make sure it is working e Place a sheet of paper in the pa...

Page 34: ...per entry slot Both sensors are hard wired to the operator panel PC board If the paper feed sensor fails the board must be replaced When inserting the new auto start sensors make sure the transmitter and receiver are in the same position Then make sure the LEDs are properly aligned so that they will activate the shredder when paper is put in the paper feed slot To replace the paper jam sensor 1 Pl...

Page 35: ... PC BOARD paper feed sensor operator panel cable operator panel PC board basket full CAPACITOR blue black black red yellow black red green yellow white black brown blue white blue cable to operator panel black red black green current limit adjustment screw power on off Wiring Diagram Models C 320 C 320C C 380 C 380C ...

Page 36: ...1789 Norwood Avenue Itasca IL 60143 998 telephone 630 893 1600 fax 630 893 1648 1 800 955 3344 ...

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