Table of Contents
Troubleshooting
Related Manuals for Jet JPJ-12B
Summary of Contents for Jet JPJ-12B
- Page 1 Operating Instructions and Parts Manual 12-inch Planer/Jointer Models JPJ-12B, JPJ-12BHH 427 New Sanford Road La Vergne, Tennessee 37086 Part No. M-715100 Ph.: 800-274-6848 Edition 1 10/2021 www.jettools.com Copyright © 2021 JET...
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Page 2: Warranty And Service
JET warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please contact Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday. Warranty Period The general warranty lasts for the time period specified in the literature included with your product or on the official JET branded website. ... -
Page 3: Table Of Contents
15.13 Cabinet Assembly – Exploded View ..................... 40 15.14 Cabinet Assembly – Parts List ......................41 15.15 Fence Assembly – Exploded View ....................... 43 15.16 Fence Assembly – Parts List ........................ 44 16.0 Electrical Connections for JPJ-12B, JPJ-12BHH ..................45 17.0 Optional Accessories ..........................46... -
Page 4: Safety Warnings
Do not use this machine for other than its intended use. If used for other purposes, JET disclaims any real or implied warranty and holds itself harmless from any injury that may result from that use. - Page 5 26. Make sure the workpiece is securely attached or clamped to the table. Never use your hand to hold the workpiece. 27. Turn off the machine before cleaning. Use a brush or compressed air to remove chips or debris — do not use your hands.
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Page 6: Specifications
Net weight (lb) ................453 ............. 453 The specifications in this manual are given as general information and are not binding. JET reserves the right to effect, at any time and without prior notice, changes or alterations to parts, fittings, and accessory equipment deemed necessary for any reason whatsoever. -
Page 7: Features And Terminology
Failure to comply may result in serious injury! 7.0 Unpacking The model JPJ-12B and JPJ-12BHH Planer- Jointer is rated at 230V. This machine is not 1. Remove all contents from the shipping supplied with a plug. Use a plug and outlet rated carton. -
Page 8: Operating Controls
9.2 Planer to Jointer Setup 9.0 Operating Controls Refer to Figures 2 and 3: Disconnect machine from To change the machine configuration from planer power source before making to jointer: adjustments. Failure to comply may cause 1. Pull the dust chute release knob (F) and serious injury. -
Page 9: Control Switch
9.3 Control Switch Refer to Figure 4: Press the green switch to start. Press the red switch to stop. To prevent unauthorized or accidental starting of the machine, remove the safety key from the green switch and store in a safe place. The key must be reinserted to start the machine. -
Page 10: Adjustments
Important: When the tilted operation is finished and the fence is returned to 90°, make sure to flip the stop plate (I) back to its original position. Figure 7 Cutterhead Guard Refer to Figure 8: Properly positioned, the cutterhead guard (B) Figure 8 should rest against the fence (A). -
Page 11: Coplanar Alignment
10.2 Table and Knife Adjustments 5. If the fence (A) is not square to the table, release the tilt locking handle (G), loosen the For accurate jointing, at least three things must lock nut (B), and turn the stop bolt (C) until be true: the fence is square to the table. - Page 12 3. Slide the fence assembly (B) back (C) as far Performing the Coplanar Alignment as it will go, or remove it from the machine Refer to Figure 12: entirely (use a 5mm hex wrench to remove the four button head socket screws and then If alignment is needed as determined in the remove the fence assembly).
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Page 13: Setting Knives At Correct Height And Parallel To Outfeed Table
It may be necessary to repeat the exercise in this Important: Before performing any adjustments in section more than once to achieve coplanar this section, the infeed and outfeed tables must alignment. be coplanar (see sect. 10.3, Coplanar Alignment). Note: If the tables do not lock properly after the Preparation adjustment, see sect. - Page 14 11. Rotate the cutterhead clockwise. If the outfeed table and knives are set correctly, the knife will contact the gauge and move it until the left mark lines up with the edge of the outfeed table, as shown in Figure 15. Figure 13 8.
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Page 15: Replacing Cutterhead Knives (Straight Knives Only)
Do not Figure 17 – Straight Knife Cutterhead fully tighten yet. (Model JPJ-12B Only) 18. Rotate the cutterhead to the other two knives in turn. Repeat step 17 for each knife. 10.5 Replacing Cutterhead Knives (Straight Knives Only) 19. -
Page 16: Replacing Or Rotating Knife Inserts (Helical Cutterhead Only)
7. Insert the lock bar (G) and tighten just enough Important: When removing or rotating inserts, to hold it in place. clean saw dust from the screw, the insert, and the cutterhead platform. Dust accumulation between Repeat steps 3 - 7 for the other two knives. these elements can prevent the insert from seating properly, and may affect the quality of the The knives must now be adjusted as described in... -
Page 17: Belt Replacement
Cutterhead Drive Belt Replacement Note: If the cutterhead drive belt (G) is to be replaced, steps 1 - 6 must be performed to remove the feed-roller belt (H) before the cutterhead drive belt can be replaced. 7. Remove cutterhead drive belt (G) from around cutterhead pulley (O) and pulley (J). -
Page 18: Feed Roller Height Adjustment
adjustments. Failure to comply may cause serious injury. 1. Disconnect machine from power source. 2. Loosen the hex nut (B) and rotate the screw (C) as needed to raise or lower that end of the roller. Note: Feed rollers must remain parallel to the table, and about 1/32"... -
Page 19: Planer Table Adjustment
10.11 Planer Table Adjustment Checking Planer Table Parallel to Cutterhead Refer to Figures 24 and 25: The planer table is set parallel to the cutterhead by the manufacturer and no further adjustment should be needed. If your machine is planing a taper, first check to see if the knives are properly adjusted in the cutterhead (see sect. -
Page 20: Basic Operations
Hand Placement Never pass hands directly over the cutterhead. At the start of the cut, the left hand holds the workpiece firmly against the infeed table and fence while the right hand pushes the workpiece in a smooth, even motion toward the cutterhead. After the cut is under way, the new surface rests firmly on the outfeed table. - Page 21 Direction of Grain To edge: Avoid feeding work into the jointer against the 1. Make sure the fence is set to 90°. Double- grain (Figure 29). This may result in chipped and check it with a square. splintered edges. 2. Inspect stock for soundness and grain direction (refer to Direction of Grain).
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Page 22: Planer Operations
Several passes may be required to achieve the Precautions full bevel. thickness planer precision woodworking machine and should be used on good-quality lumber only. Do not plane dirty boards; dirt and small stones are abrasive and will wear out the blade. -
Page 23: Maintenance
Make shallow cuts. Snipe is more apparent additional support via free standing material when deeper cuts are taken. stands. These can be purchased from JET – Feed the work in the direction of the grain. Stock # 709209. See sect. 17.0, Optional Work fed against the grain will have chipped, Accessories. -
Page 24: Sharpening The Knives (Straight Knives Only)
12.2 Sharpening the Knives (Straight 7. Take the same number of passes for all three Knives Only) blades. If the blades have been sharpened and still are Disconnect machine from not cutting efficiently, trying to touch up the power source before making blades further will only cause the formation of a... -
Page 25: Troubleshooting The Jpj-12B,Jpj-12Bhh
14.0 Troubleshooting the JPJ-12B,JPJ-12BHH 14.1 Performance Troubleshooting – Jointer Trouble Probable Cause Remedy Finished stock is Align cutterhead knives with outfeed Knife is higher than outfeed table. concave on back end. table. See sect. 10.4, sect. 10.4, Setting Knives at Correct Height and Parallel to Outfeed Table. -
Page 26: Performance Troubleshooting - Planer
14.2 Performance Troubleshooting – Planer Trouble Probable Cause Remedy Snipe. Table rollers not set properly. Adjust rollers to proper height Inadequate support of long boards. Support long boards with extension Note: Snipe cannot be rollers. eliminated, but can be so Uneven feed roller pressure front to Adjust feed roller tension. -
Page 27: Mechanical Troubleshooting - Planer/Jointer
Number of your machine available when you call will allow us to serve you quickly and accurately. Non-proprietary parts, such as fasteners, can be found at local hardware stores, or may be ordered from JET. Some parts are shown for reference only, and may not be available individually. -
Page 28: Infeed Table Assembly - Exploded View
15.1 Infeed Table Assembly – Exploded View... -
Page 29: Infeed Table Assembly - Parts List
15.2 Infeed Table Assembly – Parts List Index No. Part No. Description Size 1 ....JPJ12B-101 ..... Fixed Jointer Table Hinge ................ 1 2 ....JPJ12B-102 ..... Socket Head Cap Screw w/threadlocker ..... M8 x 1.25P x 35L ..2 3 .... -
Page 30: Outfeed Table Assembly - Exploded View
15.3 Outfeed Table Assembly – Exploded View... -
Page 31: Outfeed Table Assembly - Parts List
15.4 Outfeed Table Assembly – Parts List Index No. Part No. Description Size 1 ....TS-1504051 ..... Socket Head Cap Screw ........M8 x 1.25P x 25L ..4 2 ....TS-2361081 ..... Lock Washer ............M8 ....... 4 3 ....JPJ12B-102 ..... Socket Head Cap Screw w/threadlocker ..... M8 x 1.25P x 35L ..2 4 .... -
Page 32: Cutterhead Assembly - Exploded View
15.5 Cutterhead Assembly – Exploded View... -
Page 33: Cutterhead Assembly - Parts List
15.6 Cutterhead Assembly – Parts List Index No. Part No. Description Size 1 ....JPJ12B-301 ..... External Retaining Ring, E-Type......ETW-12 ....... 2 2 ....JPJ12B-302 ..... Spacer ....................34 3 ....JPJ12B-303 ..... Anti-Kickback Pawl ................33 4 .... -
Page 34: Planer Table Assembly - Exploded View
15.7 Planer Table Assembly – Exploded View... -
Page 35: Planer Table Assembly - Parts List
15.8 Planer Table Assembly – Parts List Index No. Part No. Description Size 1 ....JPJ12B-401 ..... Socket Head Button Screw ........M4 x 0.7P x 8L .... 8 2 ....JPJ12B-402 ..... Cover ......................4 3 ....JPJ12B-403 ..... Dust-Proof Felt Pad ................. 4 4 .... -
Page 36: Blade Guard Assembly - Exploded View
15.9 Blade Guard Assembly – Exploded View... -
Page 37: Blade Guard Assembly - Parts List
15.10 Blade Guard Assembly – Parts List Index No. Part No. Description Size 1 ....JPJ12B-501 ..... External Retaining Ring, C-Type ......STW-11 ....... 1 2 ....JPJ12B-502 ..... Blade Guard ..................... 1 3 ....JPJ12B-503 ..... Roll Pin ..............Ø 6 x 28 ....... 1 4 .... -
Page 38: Gearbox Assembly - Exploded View
15.11 Gearbox Assembly – Exploded View... -
Page 39: Gearbox Assembly - Parts List
15.12 Gearbox Assembly – Parts List Index No. Part No. Description Size ....JPJ12B-GBA .... Gearbox Assembly ................... 1 1 ....TS-1503051 ..... Socket Head Cap Screw ........M6 x 1.0P x 20L ..2 2 ....TS-2361061 ..... Lock Washer ............M6 ....... 2 3 .... -
Page 40: Cabinet Assembly - Exploded View
15.13 Cabinet Assembly – Exploded View... -
Page 41: Cabinet Assembly - Parts List
15.14 Cabinet Assembly – Parts List Index No. Part No. Description Size 1 ....JPJ12B-701 ..... Hand Wheel Assembly ................1 1.1 .... JPJ12B-701-1 ..Hand Wheel ..................... 1 1.2 .... JPJ12B-701-2 ..Handle ...................... 1 1.3 .... JPJ12B-701-3 ..Cover ......................1 1.4 .... - Page 42 Index No. Part No. Description Size 38 ..... TS-1550061 ..... Flat Washer ............8.5 x 16 x 2.0T .... 2 39 ..... JPJ12B-739 ..... Chain Tensioner Assembly ..............1 40 ..... TS-2246082 ..... Socket Head Button Screw ........M6 x 1.0P x 8L .... 2 41 .....
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Page 43: Fence Assembly - Exploded View
15.15 Fence Assembly – Exploded View... -
Page 44: Fence Assembly - Parts List
15.16 Fence Assembly – Parts List Index No. Part No. Description Size 1 ....JPJ12B-801 ..... Fence Lock Handle .................. 1 2 ....JPJ12B-802 ..... Flat Washer ............13 x 28 x 3.0T ..... 1 3 ....JPJ12B-803 ..... Fence Moving Bracket ................1 4 .... -
Page 45: Electrical Connections For Jpj-12B, Jpj-12Bhh
16.0 Electrical Connections for JPJ-12B, JPJ-12BHH... -
Page 46: Optional Accessories
These items are purchased separately. Stock No. Description 708821 ..... Replacement Straight Knives for JPJ-12B Planer-Jointer (set of 3) 1791212 ... Replacement Knife Inserts for JPJ-12BHH Planer-Jointer (set of 10) 709209 ..... Roller Stand, 12.5" wide 708118 ..... JMB-UMB Universal Mobile Base... - Page 48 427 New Sanford Road La Vergne, Tennessee 37086 Phone: 800-274-6848 www.jettools.com...
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