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7. Before replacing the cutterhead back into

the casting, thoroughly clean the “saddle”
and the bearing housings of saw dust and
grease so that they seat properly.

8. To re-install the cutterhead, reverse the

above steps.

Troubleshooting

Trouble Probable

Cause

Remedy

Finished stock is
concave on the end.

Knife tip is higher than outfeed table.

Raise outfeed table so it is level with
knife tip.

Back side of finished
stock is thicker than
the front side.

Outfeed table is higher than knife tip.

Adjust outfeed table so it is level with
knife tip.

Stock is concave in
the middle.

Table flatness should be checked with
a machinist’s square.

Adjust the screws below the table to
raise the table ends.

Both ends of finished
stock are cut deeper
than the middle.

Ends of tables are higher than middle.

Raise table ends with adjustment
screws below tables.

Infeed or outfeed
tables are loose.

Loose gib.

Tighten gibs.

Ripples on planed
surface.
Kickbacks

One blade set higher than the others.

Readjust blades

Feeding wood too fast.

Feed wood more slowly.

Cutting blades are set too high above
outfeed table, or they may not be
level with outfeed table. (JWJ-8CS)

Readjust blades (JWJ-8CS).

Excessive motor
noise.

Motor

Have motor checked by a qualified
repair station.

Pulley set screw is loose.

Tighten set screw.

Motor fails to develop
full power or stalls.

Circuit overloaded with lights, tools,
etc.

Do not share the circuit.

Undersize wires or circuit too long.

Increase wire sizes, or reduce length
of wiring.

Voltage too low.

Request voltage check from the
power company.

Fuses or circuit breakers do not have
sufficient capacity.

Have a qualified electrician install
proper size fuses or circuit breakers.

Motor starts slowly or
fails to come to full
speed.

Motor

Have motor checked by a qualified
repair station.

Belt tension too tight.

Adjust belt tension.

Bad start capacitor.

Replace start capacitor.

Replacement Parts

Replacement parts are listed on the following pages. To order parts or reach our service department, call
1-800-274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and
Serial Number of your machine available when you call will allow us to serve you quickly and accurately.

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Содержание 718200K

Страница 1: ...oodworking Jointer Models JWJ 8CS and JWJ 8HH Model JWJ 8HH shown JET 427 New Sanford Road Part No M 718200 LaVergne Tennessee 37086 Edition 5 11 2020 Ph 800 274 6848 ECR 20110408438 www jettools com Copyright 2016 JET This pdf document is bookmarked ...

Страница 2: ...onal action needed JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locator on the JET website More Information JET is constantly adding new products For complete up to date product information check with your local distributor or visit the JET website How State Law Applie...

Страница 3: ... Replacing or Rotating Knife Inserts JWJ 8HH only 15 Infeed Table Depth Stop 16 Gib Adjustment 16 Operation 16 Jointing Warped Material 17 Direction of Grain 17 Bevel Cut 18 Taper Cut 18 Rabbet Cut 18 Maintenance 19 Lubrication 19 Blade Care 19 Sharpening Knives JWJ 8CS only 19 Cutterhead Removal 19 Replacement Parts 20 Fence Assembly all models 21 Parts List Fence Assembly all models 21 Bed Assem...

Страница 4: ...efore turning it on 14 Keep safety guards in place at all times when the machine is in use If removed for maintenance purposes use extreme caution and replace the guards immediately 15 Make sure the jointer is firmly secured to the stand or a bench before use 16 Check damaged parts Before further use of the machine a guard or other part that is damaged should be carefully checked to determine that...

Страница 5: ...ructions and parts breakdown This machine has been designed and constructed to provide consistent long term operation if used in accordance with instructions set forth in this manual If there are any questions or comments please contact either your local supplier or JET JET can also be reached at our web site www jettools com WARNING Drilling sawing sanding or machining wood products generates woo...

Страница 6: ...5ºR Positive Stops 45ºL 90º 45ºR 45ºL 90º 45ºR Motor 2HP 1Ph 60Hz 230V only 2HP 1Ph 60Hz 230V only Net Weight Jointer and Stand approx 375 lbs 379 lbs Shipping Weight Jointer and Stand 452 lbs 456 lbs The above specifications were current at the time this manual was published but because of our policy of continuous improvement JET reserves the right to change specifications at any time and without...

Страница 7: ...nch 3 Hex Wrenches 3 4 and 5 mm 1 Knife Gauge Assembly Tools included with JWJ 8HH 1 12 14mm Open End Wrench 1 8 10mm Open End Wrench 4 Hex Wrenches 3 4 5 6 mm 2 Star Point Screwdrivers 5 Knife Inserts 10 Knife Insert Screws Tools Required for Assembly 1 Cross Point Screwdriver 6 8 Adjustable Wrench or 17 19mm Wrench Unpacking and Cleanup 1 Carefully finish removing all contents from both shipping...

Страница 8: ...cess door in stand 3 Attach bed assembly to stand with two 3 8 lock bolts and lock washers Fig 2 Hand tighten only at this time 4 Line up third hole in stand with hole in bed assembly by viewing through dust chute 5 Install third 3 8 lock bolt and lock washer through dust chute to secure bed to stand 6 Tighten all three mounting bolts with 14mm wrench Installing Pedestal Switch JWJ 8HH only Referr...

Страница 9: ...through opening in stand 4 Pull v belts down and place onto motor pulley Fig 7 If necessary loosen the mounting screws A Fig 7 and slightly lift motor Re tighten the screws when belt is placed 5 Check to make sure that motor pulley and cutterhead pulley are vertically aligned and the v belt does not contact the sides of the opening in the base If the pulleys are not aligned loosen the screws A Fig...

Страница 10: ...has been inserted into the hole let go of the guard with your left hand the guard will swing toward the fence 5 Completely tighten the set screw Figure 8 3 while continuing to hold the hex wrench and pin with your right hand 6 When the guard is secured remove the hex wrench from the pin Slightly loosen the set screw Figure 8 3 until the pin snaps back against the rabbeting ledge 7 Re tighten the s...

Страница 11: ...is also on page 30 of this manual The JWJ 8CS and JWJ 8HH jointers are rated at 230V single phase only Confirm that the power at the source is compatible with the jointer before inserting plug into the outlet The jointer is designed to be used with a plug and outlet similar to that shown in Fig 12 Important Make certain the receptacle in question is properly grounded If you are not sure have a reg...

Страница 12: ...le B Fig 14 45 Fence Adjustment Note Whenever making an adjustment to the fence lift the fence up slightly after releasing the lock handle to avoid scratching the table 1 Loosen lock handle A Fig 16 Move the stop plate B Fig 16 out of the way and position the fence at the 45 angle Make sure the fence sits against the stop bolt C Fig 16 2 Place a combination square D Fig 16 on the fence and table t...

Страница 13: ...ch in the cutting arc 3 Loosen table lock screw A Fig 17 and raise the outfeed table to the height of blade number one by turning handwheel B Fig 17 Counter clockwise will cause the outfeed table to raise Clockwise will cause the outfeed table to lower Set a straight edge C Fig 17 on the outfeed table and across the cutterhead 4 Position of the table and straight edge should look like Figure 18 Us...

Страница 14: ...eed table is set too high a curved finished surface results Fig 20 If the outfeed table is set too low gouging results at the end of the cut Fig 21 Figure 22 illustrates the outfeed table at the correct height Removing and Replacing Knives JWJ 8CS only Disconnect the machine from the power source before making any adjustment or repair All knife lock bolts must be firmly tightened or risk ejection ...

Страница 15: ...fe insert screw See Figure 26 Use one of the screwdrivers to help hold the cutterhead in position and the other to remove the screw It is advisable to rotate all inserts at the same time to maintain consistent cutting However if one or more knife inserts develops a nick rotate only those inserts that are affected Each knife insert has an etched reference mark so that you can keep track of the rota...

Страница 16: ...nless performing rabbeting operations Gib Adjustment After a period of use the gibs may become loose and need adjusting 1 Loosen three lock nuts A Fig 27 and gib lock screw B Fig 27 2 Tighten each set screw 1 4 turn starting at the bottom and working up If a 1 4 turn does not remove all play take another 1 4 turn Repeat a 1 4 turn at a time for all three set screws until play is removed 3 Tighten ...

Страница 17: ...erial may cause the hand to come into contact with the blade Feed work from right to left at a steady moderate speed If you feed the material too slowly the wood will burn in places If you feed the material too quickly ridges will appear in the finished surface Jointing Warped Material If the work to be jointed is cupped or warped take light repetitive cuts until the surface is flat Forcing the ma...

Страница 18: ...off all the stock in front of the knives to an increasing depth leaving a tapered surface The ridge left by the knives when starting the taper may be removed by taking a very light cut in the regular jointing procedure with the infeed table raised to its normal position Practice is required in this operation Beginners are advised to make trial cuts with scrap material Rabbet Cut Rabbeting requires...

Страница 19: ...grasping the cutterhead pulley while sliding the stone back and forth across the table 7 Take the same amount of passes for all three blades When the blades have been sharpened if they still are not cutting efficiently trying to touch up the blades further will only cause the formation of a second beveled edge When this starts to happen it is time to replace blades with another set It is recommend...

Страница 20: ...eding wood too fast Feed wood more slowly Cutting blades are set too high above outfeed table or they may not be level with outfeed table JWJ 8CS Readjust blades JWJ 8CS Excessive motor noise Motor Have motor checked by a qualified repair station Pulley set screw is loose Tighten set screw Motor fails to develop full power or stalls Circuit overloaded with lights tools etc Do not share the circuit...

Страница 21: ...ng Link 1 10 JC F07 Joint Plate 1 11 5C E051 Flat Head Bolt 5 16 18 x 1 1 2 1 12 JC F08 Screw 1 13 TS 0207081 Socket Head Cap Screw 1 4 20 x 1 1 2 2 14 TS 0207021 Socket Head Cap Screw 1 4 20 x 1 2 1 15 TS 0050061 Nut 1 4 20 2 16 JC F09 Pin 5x50 1 17 JC F10 Stop Block 1 18 TS 0561052 Nut 1 2 20 2 19 JC F11 Locking Bolt w Handle 1 20 TS 0680061 Flat Washer 1 2 2 21 6296081 Nut 1 22 JC F14 Eccentric...

Страница 22: ...22 Bed Assembly all models ...

Страница 23: ...ey 5 x 5 x 22 2 24 JC T13 Gib 2 25 TS 0270091 Set Screw 5 16 18 x 1 6 26 TS 0561021 Hex Nut 5 16 18 6 28 JWJ8CS 228 Lock Screw 2 30 JC T16 Scale 1 31 5F H051 Rivet 2 32 JC T17 Depth Pointer 1 33 PA C49 Guard Bolt 1 34 JC T18 Pulley Cover 1 35 PA C53 Nut 1 36 JC T19 Warning Label 1 37 JC T20 Guard Shaft 1 38 JC T21 Cutterhead Guard 1 39 JC T22 Spring 1 40 5F A002 Retaining Ring STW 11 1 41 5F E208 ...

Страница 24: ...24 Stand and Motor Assembly JWJ 8CS only ...

Страница 25: ... 18 4 15 JJ8HH 315 Hex Head Screw 1 2 12 x 1 4 16 TS 0680061 Flat Washer 1 2 4 17 JCS10 079C Screw 3 16 UNC x 3 4 2 18 TS 0680021 Flat Washer 1 4 4 19 JC M07 Lock Bolt 3 8 16 3 20 TS 0720091 Lock Washer 3 8 3 21 JC M03 Dust Chute 1 22 TS 0813032 Pan Head Screw 1 4 20 x 1 2 4 23 JJ8 917W Motor 2HP 1Ph 1 24 JJ8 918 Motor Cord 1 25 JJ8 919 Strain Relief 2 26 JJ8 920 Power Cord 1 27 JJ8CS 327 Switch 1...

Страница 26: ...26 Stand and Motor Assembly JWJ 8HH only ...

Страница 27: ...1 Lock Washer 3 8 3 21 JC M03 Dust Chute 1 22 TS 081F032 Screw 1 4 20x1 2 4 23 JJ8 917W Motor 2HP 1Ph 1 29 JET 815T JET Logo 8 x 15 1 30 JC T23 Warning Label 1 31 5FK C13 Key 5x5x35 1 32 JJ6HH 316 Cord Protector 2 33 JJ6HH 315 Switch Arm 1 34 JPS10TS 343 Main Switch 1 35 TS 0208141 Socket Head Cap Screw 5 16 18x3 2 37 JJ6HH 348 Screw M4x25 2 38 JPS10TS 342 Stop Switch Face Plate 1 39 TS 2171012 Sc...

Страница 28: ...ing 2 4 JWJ8CS 304 Plate 2 5 TS 0720091 Lock Washer 3 8 2 6 JWJ8CS 306 Hex Cap Screw 2 7 PA C05 Spring 6 8 708802 Knife 3 9 JC C05 Knife Lock Bar 3 10 JC C06 Screw 15 11 JC C07 Knife Gauge Rod 1 12 JC C08 Knife Gauge 2 13 JJ8 0013 Retaining Ring STW 9 4 15 JC C09 Machine Pulley 1 16 5F G107 Key 5 x 5 x 22 1 17 TS 0270031 Set Screw 5 16 18NC x 3 8 2 ...

Страница 29: ...Helical Cutterhead 1 2 JC C02 Bearing Housing 2 3 BB 6204VV Ball Bearing 6204VV 2 4 JWJ8CS 304 Plate 2 5 TS 0720091 Lock Washer 3 8 2 6 JWJ8CS 306 Hex Cap Screw 2 7 1791212 Knife Insert set of 10 total 36 8 JWP208HH 111 Knife Insert Screw 10 32x1 2 36 9 5F G107 Key 5x5x22 1 10 TS 0270031 Socket Set Screw 5 16 18x3 8 2 11 JC C09 Cutterhead Pulley 1 JJ6HH 113 Star Point Screwdriver not shown 2 ...

Страница 30: ...30 Electrical Connections JWJ 8CS only BLACK WHITE WHITE Motor BLACK GREEN 18 17 WHITE GREEN BLACK 97 98 96 95 WHITE BLACK GREEN GREEN GROUND A2 6T3 4T2 2T1 14NO 6T3 4T2 2T1 1L2 13NO 3L2 A1 5L3 ...

Страница 31: ...31 Electrical Connections JWJ 8HH only ...

Страница 32: ...32 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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