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Exploded View - Model J-7020M/J-7040M Miter Cut-off Saw Head

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Содержание J-7020M

Страница 1: ...6 Inch Miter Cut Off Band Saw Models J 7020M J 7040M J 7040 M WMH TOOL GROUP Inc 427 New Sanford Road LaVergne Tennessee 30786 Part No M 414474 Ph 800 274 6848 Revision A1 03 09 www wmhtoolgroup com Copyright 2009 WMH Tool Group Inc Model J 7020M shown ...

Страница 2: ...t In the event you choose to have the product returned you will be responsible for the shipping and handling costs of the return HOW STATE LAWAPPLIES This warranty gives you specific legal rights you may also have other rights which vary from state to state LIMITATIONS ON THIS WARRANTY WMH TOOL GROUP LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE LIMITED WARRANTY FOR EACH PRODUCT EXCEPT AS STA...

Страница 3: ... BladeTrackingAdjustment 12 Factory or Field Procedure 12 Blade Guide BearingAdjustment 13 Test Cutting to VerifyAdjustment Accuracy 14 Adjustment of the Limit Switch 14 Maintenance 14 Cleaning 14 Lubrication 15 Changing Blades 15 Changing the Drive Belt 15 Replacing the Drive Motor 15 Adjusting the Counterbalance Spring 15 Replacing the Drive Wheel 16 Replacing Idler Wheel or Idler Bearing 16 Adj...

Страница 4: ...pid Acting Coolant System Note 1 Note 1 Note 1 Dimensions Length 79 Inches 79 Inches 79 Inches Width 31 Inches 31 Inches 31 Inches Height 41 Inches 41 Inches 41 Inches Weight Net 794 pounds 794 pounds 794 pounds Note 1 Recirculating system consists of a 1 GPM pump in an 8 gallon reservoir Coolant applied through the blade guides General Specifications The JET Model J 7020M and J 7040M Miter Cut of...

Страница 5: ... the floor 11 Secure work Use clamps or a vise to hold work when practical It is safer than using your hands and it frees both hands to operate the machine 12 Never brush away chips while the machine is in operation 13 Keep work area clean Cluttered areas invite accidents 14 Remove adjusting keys and wrenches before turning machine on 15 Use the right tool Don t force a tool or attach ment to do a...

Страница 6: ...de area 6 Saw must be stopped and electrical supply must be cut off before any blade replacement or adjustment of blade support mechanism is done or before any attempt is made to change the drive belts or before any periodic service or maintenance is performed on the saw 7 Remove loose items and unnecessary workpieces from area before starting machine 20 Some dust created by power sanding sawing g...

Страница 7: ...ws the operator to position the control panel in a convenient location 1 A power on light is provided on the left side of the control panel The power on light indicates when power is connected to the machine 2 A large emergency stop button is provided on the control panel The emergency stop button provides a means to rapidly cut off electrical power 3 A saw motor pushbutton switch is provided to t...

Страница 8: ...eet per minute and 165 feet per minute graduations WARNING TO CHANGE SPEED THE SAW MOTOR MUST BE OPERATING 5 Turn the speed adjustment knob to desired rate setting as determined by material being cut Raising Lowering Saw Head 1 Lift the saw head using the handle on the far left side of the saw head 2 To lower the saw head press the green pushbutton on the right side of the control panel see figure...

Страница 9: ... a variety of cut off jobs on a variety of common materials A 4 6 vari tooth bi metal blade 5674011 and a 6 10 vari tooth bi metal blade 5674021 are available from JET See Setting Blade Speed for the speeds recom mended for various materials These selections while appropriate for many shop cutting needs do not encompass the wide variety of blades of special configuration tooth pitch and set and sp...

Страница 10: ...llel to and in contact with the work piece 4 Using the clamping hand wheel on the worktable tighten the moveable jaw against the work piece Then tighten the hex post on the moveable jaw Figure 9 Securing the Workpiece Vise Jaw Fixed Hex Post Vise Jaw Moveable Work Table Adjusting the Vise for Angle Cuts see figure 9 1 Loosen the angle locking screw and the pivot screw on the left vise jaw 2 Turn t...

Страница 11: ...valve and check the rate at which the saw head lowers 2 Raise the saw head Push in red release button 3 Clamp the workpiece in the vise See figure 11 for examples of workpieces in the vise 4 Be sure the blade is not in contact with the workpiece when the motor is started 5 Start the motor and allow the saw to come up to speed 6 Slowly set the saw down onto the workpiece Adjust cutting speed with t...

Страница 12: ...ews in all three hex adjustment screws on the blade tensioning mechanism see figure 12 CAUTION WHILE PERFORMING THE FOLLOW ING KEEP THE BLADE FROM RUBBING EXCES SIVELY ON THE SHOULDER OF THE WHEEL EXCESSIVE RUBBING WILL DAMAGE THE WHEEL AND OR THE BLADE 6 Start the saw Slowly turn the single hex adjust ment screw at the rear of the tracking mechanism to tilt the idler wheel Do not turn either of t...

Страница 13: ...rformance is poor If performance remains poor after changing the blade make the necessary adjustments If a new blade does not correct the problem check the blade guides for proper spacing For most efficient operation and maximum accuracy provide 0 001 inch clearance between the blade and the guide bearings The bearings will still turn freely with this clearance If the clearance is incorrect the bl...

Страница 14: ...top of barstock here 2 Cut off a slice of the bar stock 3 Rotate stock in vise so mark is at bottom 4 Cut off a new slice from the stock 5 Measure here New slice 7 Differences between measurements at edges of disc should be less than 003 inches per inch per side of stock diameter 6 measure here The saw blade can be considered correctly adjusted when the variation measure is no more than 0 012 inch...

Страница 15: ...tor reads 2000 lbs 6 Operate the saw at low speed and observe the tracking of the blade If tracking needs to be adjusted refer to Blade Tracking Adjustment 7 Adjust the bearings on the upper edge of the blade until they just contact the blade see figure 21 8 Check the guide bearings and the carbide guides to make sure they are just contacting the sides of the blade 9 Install the left blade guard m...

Страница 16: ...er wheel 4 Inspection Examine the drive edge and shoulder of the idler wheel for damage Replace the wheel if damaged 5 Inspect bearings for damage and smooth opera tion Replace if faulty 6 Install the bearing in the idler wheel Install the idler wheel on the idler shaft 7 Install the screw spring washer and washer in the idler shaft 8 Install the blade see Changing blades Adjusting the Blade Guide...

Страница 17: ...adjustment is necessary loosen the pivot capscrew and move the floating block so that the blade edge is close to the guide support but cannot touch the bottom surface of it when the sawblade is cutting a workpiece Guide Support Cap Screw Blade Edge Bearing Figure 21 Blade edge bearing replacement Adjustment Cap Screw Floating Block Replacement of the Wire Brush 1 Loosen four knobs securing the bla...

Страница 18: ...e fuses have been removed or breakers tripped in the circuit in which the saw will be connected Make sure you put a warning placard on the fuse or circuit breaker to prevent accidental electrical shock 2 If you are installing the motor power cord into a receptacle make sure to use the appropriate plug 3 If you are using hard wired connections to a junction box connect the wires in the box and clos...

Страница 19: ...40M cut off saw wiring diagram Figure 26 Connection diagram for 3ph motor 220V To reverse motor rotation hook terminal 6 to 1 115V To reverse motor rotation switch terminal 5 and 6 Figure 24 Connection diagram for 1ph motor ...

Страница 20: ...ssure 2 Blade is too coarse Suggested remedy 1 Clamp work securely 2 Check Machinist s Handbook for speed feed appropriate for the material being cut 3 Check Machinist s Handbook for recommended blade type 4 Adjust blade tension to the point where the blade just does not slip on the wheel 5 Start the motor before placing the saw on the workpiece 6 Adjust blade tracking 7 Adjust guides 8 Longer ann...

Страница 21: ...ghten blade guide bearing bracket 1 Use blade with finer tooth pitch 2 Increase feed pressure and or blade speed 3 Clamp workpiece securely 4a Use blade with a coarse tooth pitch reduce feed pressure 4b Brush blade to remove chips 1 Reduce tension on blade 2 Reduce tension on drive belt 3 Use blade with fine tooth pitch 4 Use blade with coarse tooth pitch 5 Check speed reducer 1 Replace pump 2 Cle...

Страница 22: ...22 Exploded View Model J 7020M J 7040M Miter Cut off Saw Base ...

Страница 23: ...5507621 Screw Set M8 x 16 2 37 5512707 Bracket Mounting 1 38 TS 149105 Bolt Hex M10 x 35 2 38 1 5516255 Washer Lock M10 2 38 2 5507613 Flat Washer M10 2 39 5713111 Knob Lock 1 40 5712441 Handle Lock 1 41 5712421 Work Stop Bracket 1 42 5712451 Stop Work 1 43 5712431 Rod Work Stop 1 44 J 5507628 Support 1 44 1 TS 1482061 Screw Cap M6 x 30 1 44 2 5516257 Washer Lock M6 1 44 3 5516253 Washer M6 1 45 5...

Страница 24: ...6 5507682 Screw Cap 2 117 5507683 Box Stationary 1 117 1 TS 1490021 Bolt Hex M8 x 16 4 117 2 5507637 Washer Lock M8 4 117 3 5507668 Flat Washer M8 4 118 5713271 Screw Cap 1 4 x 3 4 2 119 J 5713261 Column Control 1 120 5713281 Swivel 1 120 1 TS 0050021 Screw Cap 1 4 x 5 8 1 120 2 5519510 Nut Hex 1 4 1 121 5507686 Cylinder Hydraulic 1 122 5507687 Washer Lock M10 3 123 5512718 Bolt Hex M10 x 30 3 124...

Страница 25: ...25 Exploded View Model J 7020M J 7040M Miter Cut off Saw Head ...

Страница 26: ...P 177 1 Label Motor 1 5519682M Model 7020 1HP 1P 5519683M Model 7040 2HP 3P 177 2 TS 1490081 Bolt Hex M8 x 45 4 177 3 5507637 Washer Lock M8 4 177 4 5507668 Washer M8 8 177 5 5516239 Nut Hex M8 4 178 5713741 Bolt 1 2 x 3 4 1 180 5513733 Key 7 x 7 x 40 1 181 5713761 Washer 1 2 I D 1 182 5713771 Washer 5 16 2 183 5713671 Screw Slotted 1 4 x 3 8 6 184 5713781 Screw Cap M16 x 30 3 185 5713791 Bolt 1 2...

Страница 27: ... 5714351 Washer 3 4 1 241 5714361 Washer Special Spring 13 242 5714371 Wheel Hand 1 243 J 5714381 Bracket Slide 1 244 5714391 Shaft Tension 1 244 1 5519692 Nut Hex 1 244 2 5519693 Screw Set M6 x8 1 245 5714411 Key Square 5MM 1 246 5714421 Bolt 3 8 x 2 1 2 3 246 1 5713481 Washer Lock M10 3 247 J 5714431 Seat Oil Pressure 1 247 1 TS 1490021 Bolt Hex M8 x 16 2 247 2 5507637 Washer Lock M8 2 247 3 550...

Страница 28: ...WMH TOOL GROUP Inc 427 New Sanford Road LaVergne Tennessee 30786 Ph 800 274 6848 www wmhtoolgroup com ...

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