Jet Tools J-7020 User Manual

Operating Instructions and Parts Manual10-Inch x 16-Inch Horizontal Band SawModels: J-7020, J-7040WHM TOOL GROUP, Inc.427 New Sanford RoadLaVergne, Te

10Starting the SawWARNING: NEVER OPERATE THE SAW WITHOUTBLADE COVERS IN PLACE AND SECURED.CAUTION: MAKE SURE THE BLADE IS NOT IN CON-TACT WITH THE WO

11Coolant FlowCAUTION: THE COOLANT PUMP MUST BE SUB-MERGED BEFORE OPERATING TO PREVENT DAM-AGE TO THE PUMP.1. The blade guides are fitted with coola

12the wheel shoulder. Put a 6-inch length of paperbetween the blade and the wheel as shown in figure11. The paper should not be cut as it passes be-

13tion of the disk you have cut from the bar stock. Mea-sure at the top and bottom of the disk.The saw blade can be considered correctly adjustedwhen

141. Ball bearings: the bearings are lubricated andsealed—periodic lubrication is not required.2. Blade guide bearing: the bearings are lubricated

15Adjusting the Blade GuidesThe cut-off saw has adjustable blade guide supports(see figure 17). The blade guide supports allow you toset the blade gu

16Replacement of GuideBearingsReferring to Firgure 18, remove the cap screw fromthe bearing being replaced. Separate the bushing andcap screw from th

17Figure 21: Model J-7020 cut-off saw wiring diagram4. Close the blade cover and secure with four knobs.ElectricalObserve the following when connecti

18Figure 24: Model 7040 cut-off saw wiring diagram Figure 25: Connection diagram for 3ph motor

19TroubleshootingFaultExcessive bladebreakagePremature bladedullingBad cuts(out-of-square)Bad cuts (rough)Probable cause1. Material loose in vise.2. I

Warranty and ServiceWMH Tool Group, Inc., warrants every product it sells. If one of our tools needs service or repair, one of our AuthorizedService C

20Blade is twistingUnusual wear onside/back of bladeTeeth missing/rippedfrom bladeMotor running too hotNo coolant flowExcessive speedreducer noise/vib

21Exploded View - Base

22Parts List - Base21-1 5519494 Set Screw (5/16"x1/2") 1 22 J-5712481 Lead Screw Bracket 1 23 5712491 Screw (5/16" x 1/4") 2

23Parts List - Base ITEM PART NO. NO. DESCRIPTION QTY46-1 TS-0051021 Hex Cap Screw 4 (5/16" x 5/8")46-2 TS

24 194 5713251 Screw (1/4" x 3/8") 4 195 J-5713261 Control Column 1 196 5713271 Screw (1/4" x 3/4

25Exploded View - Head

26100-3 TS-0680031 Washer (5/16") 1100-4 TS-0720081 Spring Washer (5/16") 2100-5 5519680 Hex Cap Screw 1(5/16" x 1-1/4")100-6 5519

125A 5717138 Eccentric Shaft Assy. 2125B 5517142 Center Shaft Assy. 2126 5713871 Blade Guide Tung. Carb. 2126-1 5713661 Washer (

230 5713941 Screw (5/16 x 1-3/4) 4231 5712881 Spring Washer (1/2") 4232 5517141 Eccentric Shaft Bushing 2233 5517140 Center Shaft Bus

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3Table of ContentsGeneral Specifications ...

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32WMH Tool Group, Inc.427 New Sanford RoadLaVergne, Tennessee 30786Ph: 800-274-6848www.wmhtoolgroup.com

4General SpecificationsModel Stock NumberJ-7020 414472J-7040 414478The JET Models J-7020/J-7040 Horizontal Cut-OffBandsaws are ruggedly built, precisi

5- Always follow instructions in Operating Instruc- tions and Parts Manual when changing acces- sory tools or parts.- Never modify the machine witho

6Safety Instructions on Sawing Systems9. Always wear protective eye wear when operating,servicing, or adjusting machinery. Eyewear shallbe impact re

7IntroductionThis manual includes the operating and maintenanceinstructions for the JET 10-inch by 16-inch Cut Off BandSaw, Models J-7020/J-7040. Thi

8Raising/Lowering the SawHead1. Lift the saw head using the handle on the far left sideof the saw head.2. To lower the saw head, press the green pus

9A minimum of three teeth should be on the workpiece at all times for proper cutting. The blade andworkpiece can be damaged if the teeth are so far a