Wilton 7020/7040 manual Replacement Parts, WMH Tool Group

Page 20

Troubleshooting (Continued)

 

 

Blade is twisting

1.

Blade is binding in the cut.

1.

Decrease feed pressure.

 

 

2.

Blade tension too high.

 

 

 

2.

Decrease tension on blade

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Blade guides worn

1.

Replace blade guides.

 

 

 

 

2. Blade guide bearings not adjusted.

 

 

 

Unusual wear on

2.

Adjust

blade guide bearings.

 

 

side/back of blade

3.

Blade guide bearing bracket is

 

 

 

 

 

 

 

loose.

3.

Tighten

blade guide

bearing

 

 

 

 

 

 

 

 

 

 

bracket.

 

 

 

 

 

 

 

 

 

 

 

 

1.

Blade tooth pitch too coarse for

1.

Use blade with finer tooth pitch.

 

 

 

 

workpiece.

 

 

 

 

 

 

 

2.

Feed too slow; feed too fast.

2.

Increase feed pressure and/or

 

 

Teeth missing/ripped

3.

Workpiece vibrating.

 

blade speed.

 

 

 

from blade

3.

Clamp workpiece securely.

 

 

4.

Gullets loading up with chips.

 

 

 

4a. Use blade with a coarse tooth

 

 

 

 

 

 

pitch—reduce feed pressure.

 

 

 

 

 

4b. Brush blade to remove chips.

 

 

 

 

 

 

 

 

 

 

 

 

1.

Blade tension too high.

1.

Reduce tension on blade.

 

 

 

2.

Drive belt tension too high.

 

 

 

2.

Reduce tension on drive belt.

 

 

 

3.

Blade too coarse for workpiece (es-

 

 

 

3.

Use blade with fine tooth pitch.

 

 

Motor running too hot

 

pecially with tubular stock).

 

 

 

 

 

 

4.

Blade too fine for workpiece (espe-

4.

Use blade with coarse tooth pitch.

 

 

 

 

 

 

 

cially with heavier, soft material).

 

 

 

 

 

 

 

5.

Speed reducer gears require lubri-

5.

Check

speed

reducer.

 

 

 

 

cation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Pump motor is burned out.

1.

Replace pump.

 

 

 

 

2.

Screen/filter on pump is clogged.

 

 

 

 

2.

Clean screen/filter.

 

 

 

 

3.

Impeller is loose.

 

 

 

No coolant flow

3.

Tighten impeller.

 

 

 

4.

Coolant level too low.

 

 

 

 

4.

Add coolant to reservoir.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Excessive speed

1.

V-belt is too tight.

1.

Reset V-belt tension.

 

 

 

reducer noise/

 

 

 

2. Countering spring not tensioned

 

 

 

vibration

2.

Increase spring tension.

 

 

 

 

 

properly.

 

 

 

 

21

Replacement Parts

This section provides exploded view illustrations that show the replacement parts for the 10-inch x 16-inch Cut-Off Saw. Also provided are parts listings that pro- vide part number and description. The item numbers shown on the illustration relate to the item number in the facing parts listing.

Order replacement parts from:

WMH Tool Group

2420 Vantage Drive Elgin, IL 601237 TEL: 1-888-594-5866 FAX: 1-800-626-9676 www.wmhtoolgroup.com

Identify the replacement part by the part number shown in the parts listing. Be sure to include the model number and serial number of your machine when ordering replacement parts to assure that you will receive the correct part.

Image 20
Contents Operating Instructions & Parts Manual Models 7020/7040Table of Contents Replacement Parts General Specifications SpecificationsMachinery General Safety Warnings When Setting up MachineSafety Instructions on Sawing Systems General Electrical CautionsSetting Blade Speed IntroductionOperating Instructions ControlsRaising/Lowering the Saw Head Controlling the Cut Hydraulic Feed ControlEvaluating Cutting Efficiency Blade SelectionWork Setup Blade Break-in ProceduresAdjusting the Vise for Angle Cuts Securing the Workpiece for Square CutsInstallation and Adjustment of Work Stop Starting the SawAdjustments Blade Tracking AdjustmentFactory or Field Procedure Coolant FlowBlade Guide Bearing Adjustment Checking blade-to-wheel clearance using paper stripsMaintenance Test Cutting to Verify Adjustment AccuracyAdjustment of the Limit Switch CleaningAdjusting the Counterbalance Spring Changing BladesChanging the Drive Belt Replacing the Drive MotorAdjusting the Blade Guides Replacement of Carbide Blade GuideReplacing the Drive Wheel Replacing Idler Wheel or Idler BearingMachine Setup Replacement of Guide BearingsReplacement of Blade Edge Bearings Replacement of the Wire BrushModel 7020 cut-off saw wiring diagram ElectricalModel 7040 cut-off saw wiring diagram Troubleshooting Fault Probable cause Suggested remedyReplacement Parts WMH Tool GroupExploded View Base Parts List Base Part Description QTYScrew 1/4 x 3/4 192 195 Exploded View Head Parts List Head 5713301 Snap Ring Wilton Corporation