Conair WSB, GB manual Level Sensor, Weigh BIN Dump Valve, Internal MIX Motor

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PART V - HARDWARE MAINTENANCE

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HARDWARE ADJUSTMENTS

AIR PRESSURE

Set AIR PRESSURE to about 80 PSI for best accuracy. However, lower pressures will work. If you plant air fluctuates, set the regulator to the low end so that the dispense valves always see a consistent pressure. Lubricated air is NOT recommended. GBM Micro Blenders should be set to 40 PSI (2.7 bar). Vertical Valves used in removable hoppers on GBM Micro Blenders, and 100 and 200 series blenders, are more accurate at 60 PSI pressure setting.

LEVEL SENSOR

Sensor position; 200 and 400 series models only:

The sensor should protrude into the mix chamber about 1/4 inch past the inside surface of the stainless mounting plate. If it does not protrude far enough, it will sense the mounting plate itself. If it protrudes too far, it will sense the mix blade.

Adjusting sensor sensitivity:

1.The adjustment screw is located at the rear of the sensor.

It may be protected by a small plastic screw like cover. You will need a very small screwdriver to adjust it.

2.Fill the mix chamber until the sensor is about 3/4 covered.

3.Turn screw counter-clockwise until the LED goes OFF.

4.Then turn clockwise until the LED just goes ON.

5.Empty the chamber and check to be sure the sensor LED does not go on when the mix blade passes near it.

NOTE: 18 mm sensors, LED logic is reversed, ON when UNCOVERED.

WEIGH BIN DUMP VALVE

The WEIGH BIN DUMP VALVE should be adjusted to close softly. A

needle valve is installed next to the quick disconnect so that air flow to the flap air cylinder may be restricted. Adjust as required for a soft close.

SLIDE VALVES

Slide valves must move very freely. If they seem to jam slightly as they reach the full extended position (closed), this may be due to the air cylinder mount being slightly bent. If someone has pulled down or pushed up on the air cylinder, they may have bent the cylinder mount. You can correct this by pressing up or down on the cylinder as required to correct the problem.

If you process very hard pellets (polycarbinate and glass filled resins), your slide gate dispense valves may stick closed occasionally. We provide spacers that limit the full stoke of the air cylinder. This stops the slide from going any further then the just closed position and prevents jamming. Call us for information.

INTERNAL MIX MOTOR

and AUGER FEEDER FUSES

 

The

MIX MOTOR timed power source

and the AUGER FEEDER

OUTLETS are

driven by internal

solid state plug-in relays. A small 5

amp glass

fuse is

located to

the right of each

relay. A spare fuse

is also

located

on the board if replacement is necessary.

 

 

 

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Contents Gravimetric Blenders Date Manual Number UGB007/1103 Serial numbers Model numbers Twelve Component Software Part Troubleshooting / SoftwarePart Hardware Maintenance Part OperationProceed to Safety Hazards Next Check OUT ProcedureSpecial Features Slide ValvesProceed to Assembly Next Safety Hazards MIX BladesSafety Features Safety Interlock Switch Additional MIX Blade HazardDisclaimers Part I Assembly Page Wiring Considerations Proceed to Check OUT Procedure NextAT this Point Procedure What should Happen Plug in ControllerTurn Power on Touch Weigh BIN Very LightlyALL Models Press Alarm KEYFacing the Controller Side of the Blender Press Dump KEYPage Selecting Correct Model Weigh BIN Load Cell Grams Dimensions Rating GBMPassword Model Batch WTCAL Part II Operation Load Cell CalibrationCAL OFF ZeroTurning on Outputs Material Types Regrind Percent of MIXNatural Ratio to Each Other Natural SET= Additive Percent of ALL NaturalsRegrind On the Other HandTypes Proceed to Rate Calibration NextOper Proceed to Entering Settings NextRate Calibration YOU Dont have to do this OperateEntire MIX Other Natural SettingsSET Thumbwheel Assignments this is OptionalGB/WSB GBM Selected Models Special InstructionsMicro Pulse GB/WSB 240RInstructions for Normal Operation Power OFFPower on After Several Days of Proper OperationNormal Operating Sequence Each Cycle Wait 5 seconds, until display says Press Display will say Eight Character Display ROM OK Strobe Light and Beeper AlarmsAlarm Silence LED LightsMixer Motor ON/OFF/TIMED Switch Mixer Motor OutletThumbwheel Switches Internal FusesKeypad Summary Description Total Keypad Automatic Operation ModeKeypad Description of Functions RecipeBatch BtchBatch Count FastTAG OperatorKeypad Manual Mode Timed TimePage Keypad Program Mode Para FLG 1TY 2TY 3TY CTY MIX 1CS 2CS 3CSTRC ViewYLD Ctrl Page Explanation EepromPage Page Page Page Page Page Parameters Parameter List Brief ExplanationsMIX Time Page Component Parameters OFF Designates Material TypePage Parameter List Full Explanations FLGJOG KDF, WDF ROV Page Page Dispense Station Configuration Tare Weight STL Do not Change TheseXCV + XRC TCV + TRCXTP XAL XULCPL MPO LIQMCT OFF = Not UsedREG = Regrind NAT = Natural ADD = Additive Page Page Page Page Page Page FCV DTI KDF WDF BER Parameter Default Settings Twelve SoftwareFLG MIX JOG ROC ROV RHL FUL1LA 1PO 1TY = OFF 1CS 1AL 1XT 1SE1MI 1NC 1PT 1RP 1RD 3TY 3CS 3AL 3XT 3SE 3WTChanging Parameters Final DISP,% Prnt OFFPrnt Rate GR/TIMEFinal DISP,% What to Check for Page Page Page Special Tests Time CompCalibrate Comp Date Time Current Material Usage InformationPARAMETER, PRT Last PrintedPart IV Troubleshooting What to do Typical Problems Page Normal Operating Sequence Material Runs OUT Verifying Load Cell Function Load Cell RAW Signal Readout CNT OFFCNT Load Cell Weigh BIN Test Results to ExpectClear Routine Clear ALL RestartCore Dump Level Sensor Weigh BIN Dump ValveInternal MIX Motor MIX Problems Page Recalibration of Load Cells FullLoad Cells Blender Preventive MaintenanceDispense Gates Weigh BinsPage Computer Outputs Wiring Supplement Page Call Appendix A-2 Specifications Gravimetric Batch Blenders Autoweigh GBM Series ModelsGravimetric Batch Blenders AutoWeigh GB100 Series Models TOP View Front View Side View120V/1 phase/50-60 Hz 240V/1 phase/50-60 Hz Gravimetric Batch Blenders GB 220 and 420 ModelsGravimetric Batch Blenders AutoWeigh GB240 and GB440 Models TOP View Mounting InterfaceGravimetric Batch Blenders AutoWeigh GB900 Series Models 2124Gravimetric Batch Blenders AutoWeigh GB1840 and 1860 Models GB1840 GB1860Gravimetric Batch Blenders Wsbm Series models Control Remote Mounted Models WSBM22 WSBM131 WSBM140Gravimetric Batch Blenders WSB 100 and 100R Models Side View Front View Side View, R Model Front View, R ModelGravimetric Batch Blenders WSB 220 and 420 Models 24.4Gravimetric Batch Blenders WSB 240/440 and 240/440R Models WSB442Gravimetric Batch Blenders WSB 1840, 1850 and 1860 Models Appendix C Appendix C Appendix C Appendix C Appendix C Appendix C Appendix C Appendix C

GB, WSB specifications

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