Jet JPJ-12B Operating Instructions And Parts Manual Download

Page: 17 / 48

Figure 19

10.8

Belt Replacement

Refer to Figures 20 - 22:

Preparation

To replace the

cutterhead drive belt

and/or the

planer feed-roller belt

, the jointer fence assembly

and two back panels must first be removed as
described below. A 4mm hex wrench, 5mm hex
wrench, and 17mm open wrench are required.

Disconnect machine from

power

source

before

making

any

adjustments. Failure to comply may cause
serious injury.

1. Disconnect machine from power source.

2. Remove four

button head socket screws

(B)

and the

jointer fence assembly

(A).

3. Remove two

button head socket scre

ws (D)

and the

upper back panel

(C).

4. Remove four

button head socket scre

ws (F)

and the

lower back panel

(E).

5. Loosen

top nut

(L) on the

tension adjustment

screw

(N), then turn the

bottom nut

(M) to

raise the

motor

(I) and create slack in

feed-

roller belt

(H) and

cutterhead drive belt

(G).

If there is still tension in feed-roller belt,
loosen two socket head cap screws attaching
gearbox to cabinet using a 5mm hex wrench.

6. Remove the

feed-roller belt

(H) from around

the

feed-roller pulley

(P) and

motor pulley

(K).

If the

cutterhead drive belt

(G) is to be replaced,

continue. Otherwise, proceed to step 10.

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).

8. Loop the new cutterhead drive belt around

the larger (inner)

motor pulley

(J) and

cutterhead pulley

(O).

If the

feed-roller belt

(H) is to be replaced as well,

proceed to step 10. Otherwise, continue.

9. Loop the original

feed-roller belt

(H) around

the smaller (outer)

motor pulley

(K) and

feed-

roller pulley

(P).

Proceed to step 11.

Feed-Roller Belt Replacement

10. Loop the new feed-roller belt around the

smaller (outer)

motor pulley

(K) and

feed-

roller pulley

(P).

Concluding Steps

11. Turn

bottom nut

(M) on

tension adjustment

screw

(N) to lower the

motor

(I) and create

tension in

feed-roller belt

(H) and

cutterhead

drive belt

(G), then tighten the

top nut

(L).

If the gearbox was adjusted in step 5,
reposition the gearbox to maintain tension on
the feed-roller belt and tighten the two socket
head cap screws.

12. Replace the

lower back panel

(E),

upper back

panel

(C), and

jointer fence assembly

(A) with

their respective screws.

Figure 20

Summary of Contents for JPJ-12B

Page 1: ...structions and Parts Manual 12 inch Planer Jointer Models JPJ 12B JPJ 12BHH JET 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 ...

Page 2: ...eeded 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 Applies This warran...

Page 3: ...llection 20 11 2 Initial Startup 20 11 3 Changing Mode of Operation 20 11 4 Jointer Operations 20 11 5 Planer Operations 22 12 0 Maintenance 23 12 1 Blade Care 23 12 2 Sharpening the Knives Straight Knives Only 24 13 0 Lubrication 24 14 0 Troubleshooting the JPJ 12B JPJ 12BHH 25 14 1 Performance Troubleshooting Jointer 25 14 2 Performance Troubleshooting Planer 26 14 3 Mechanical Troubleshooting P...

Page 4: ...s and wrenches Form a habit of checking to see that keys and adjusting wrenches are removed from the machine before 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 planer jointer is firmly secured to the floor or bench before use 16 Check damaged parts Be...

Page 5: ...hands directly over the cutter knife As one hand approaches the knives remove it from the stock in an arc motion and place it back on the stock in a position beyond the cutter knife 38 At all times hold the stock firmly against the table and fence Planer Operation 39 Keep hands outside the machine NEVER reach under the guards to try to clear stock that stops feeding Do not clear chips and sawdust ...

Page 6: ...vel in 6 6 Planer table size LxW in 25 x 12 1 32 25 x 12 1 32 Maximum workpiece thickness in 8 3 4 8 3 4 Maximum depth of cut in 5 32 5 32 Minimum length of workpiece in 10 10 Feed rate low speed high speed fpm 16 26 16 26 Table movement per one handwheel revolution in 5 32 5 32 Motor TEFC 3HP 1PH 230V only 60Hz 15A 3HP 1PH 230V only 60Hz 15A Switch magnetic switch and limit switch magnetic switch...

Page 7: ...the contents for shipping damage Report damage if any to your distributor This machine arrives fully assembled However some tools may be needed for adjustments 9 1 Contents of Shipping Container 1 Planer Jointer 2 Push blocks 1 6mm hex wrench 1 Aluminum knife gauge JPJ 12B only 2 Star point screwdrivers JPJ 12BHH only 10 Knife inserts JPJ 12BHH only 10 Knife insert screws JPJ 12BHH only 1 Owner s ...

Page 8: ... when raising Failure to comply may cause serious injury 3 Position the dust chute D to the right H Use extreme care to avoid contact with cutterhead knives Note The planer table may need to be lowered to allow clearance needed to position the dust chute Figure 2 9 2 Planer to Jointer Setup Refer to Figures 2 and 3 To change the machine configuration from planer to jointer 1 Pull the dust chute re...

Page 9: ...d speeds can be found above the gearbox cover It is also shown in Figure 6 Planer must be running when changing the feed rate Do not attempt to change the feed speed while stock is passing through the machine Failure to comply may damage the gearbox Figure 5 Figure 6 9 5 Jointer Controls and Adjustments Outfeed Table Height Adjustment Refer to Figure 7 The outfeed table lock handle C and outfeed t...

Page 10: ...on the table and against the fence adjusting the fence until the fence angle matches the bevel of gauge piece 4 Tighten the tilt locking handle F 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 8 10 0 Adjustments 10 1 Fence Stop Adjustments Refer to Figure 9 Periodically check the 90 and 45 back...

Page 11: ...evel with the outfeed table 3 On the standard cutterhead knives must be parallel with the outfeed table across the entire length of the knives These alignments are explained below 10 3 Coplanar Alignment Definition of Coplanar When the infeed table is set to the same level as the outfeed table and all points on the tables lie in the same plane thus forming a perfect flat surface the tables are sai...

Page 12: ...can be accessed from below the cover when the jointer table is raised and the machine is in the planer orientation see sect 9 1 Jointer to Planer Setup If adjusting one of the front cams closest to the cutterhead the front cover must first be removed to access the set screw Use a cross head screwdriver to remove the infeed table scale pointer turn the infeed table lock handle D Fig 7 and outfeed t...

Page 13: ...cause serious injury Cutterhead knives are dangerously sharp Use extreme caution when inspecting removing sharpening or replacing knives into the cutterhead Failure to comply may cause serious injury 1 Disconnect machine from power source 2 Fully swing the cutterhead guard G Fig 11 away from the fence B Fig 11 It is recommended to then use a 6mm hex wrench one is included with the machine as a mak...

Page 14: ...utterhead 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 15 12 Place the knife gauge at the front of the outfeed table and repeat the process This test should be performed on the remaining knives using the provided gauge If any knife is either too h...

Page 15: ...ig 17 and the fence assembly A Fig 17 should be placed back on the machine before operating Figure 16 Straight Knife Cutterhead Model JPJ 12B Only Figure 17 Straight Knife Cutterhead Model JPJ 12B Only 10 5 Replacing Cutterhead Knives Straight Knives Only Refer to Figures 16 and 17 Disconnect machine from power source before making any adjustments Failure to comply may cause serious injury Cutterh...

Page 16: ...cal Cutterhead Model JPJ 12BHH Only Important When removing or rotating inserts clean saw dust from the screw the insert and the cutterhead platform Dust accumulation between these elements can prevent the insert from seating properly and may affect the quality of the cut Before installing each screw lightly coat the screw threads with machine oil and wipe off any excess Securely tighten each scre...

Page 17: ...e cutterhead drive belt G is to be replaced continue Otherwise proceed to step 10 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 8 Loop the new cutterhead drive belt aroun...

Page 18: ...njury 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 below the cutting arc of the knives or knife inserts 3 Adjust any of the four screw nut assemblies as needed 4 Use a gauge on the planer table to verify the height of the rollers in relation ...

Page 19: ... B makes slight contact with the tip of the knife blade 5 Move the gauge block B to opposite end of table E If the distance from the table to tip of the knife blade is the same at both ends the table is parallel to the cutterhead Figure 25 Adjusting Work Table Parallel to Cutterhead Refer to Figure 26 If the work table is not parallel to the cutterhead perform the adjustment procedure as follows 6...

Page 20: ... 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 The left hand is transferred to the outfeed side Figure 27 and presses down on this part of th...

Page 21: ... to Direction of Grain 3 If the board is bowed curved place the concave edge down on the infeed table 4 Set the infeed table for a cut of approx imately 1 16 5 Hold the stock firmly against the fence and table feed the stock slowly and evenly over the cutterhead Figure 31 Beveling Beveling an edge is the same operation as edge jointing except that the fence is tilted to a specified angle Make sure...

Page 22: ...not cause it to warp The depth of cut should be shallower when the workpiece is wider When planing hardwood take light cuts or plane the wood in thin widths Make a test cut with a test piece and verify the thickness produced Check the accuracy of the test cut before working on the finished product Precautions A thickness planer is a precision woodworking machine and should be used on good quality ...

Page 23: ...ed roller 9 Repeat this operation on all boards that need to be the same thickness Avoiding Snipe Snipe refers to a depression at either end of the board caused by an uneven force on the cutterhead when the work is entering or leaving the planer Snipe will occur when the boards are not supported properly or when only one feed roller is in contact with the work at the beginning or end of the cut Pr...

Page 24: ... table height is set properly when the stone s surface is flush with the knife bevel 6 Keep the cutterhead from rotating by grasping the cutterhead pulley while sliding the stone back and forth across the table 7 Take the same number of passes for all three blades If the blades have been sharpened and still are not cutting efficiently trying to touch up the blades further will only cause the forma...

Page 25: ...too deeply Make shallower cuts Knots imperfections in wood Inspect wood closely for imperfections use different stock if necessary Fuzzy grain Wood has high moisture content Allow wood to dry or use different stock Dull knives Sharpen or replace knives inserts Cutterhead slows while operating Feeding workpiece too quickly or applying too much pressure to workpiece Feed more slowly or apply less pr...

Page 26: ...Dull knives Sharpen knives Rotate knife inserts Rough Raised Grain Dull knives Sharpen knives Rotate knife inserts Too heavy a cut Adjust proper depth Moisture content too high Remove high moisture content from wood by drying Rounded glossy surface Dull knives Sharpen or replace knives Rotate knife inserts or replace Feed speed too slow Increase speed Cutting depth too shallow Increase depth Poor ...

Page 27: ...ound replace motor starter If motor starter looks okay but is still suspect you have two options have a qualified electrician test the motor starter for function or purchase a new starter and establish if that was the problem on changeout Switch or Motor failure how to distinguish If you have access to a voltmeter you can separate a starter failure from a motor failure by first verifying incoming ...

Page 28: ...28 15 1 Infeed Table Assembly Exploded View ...

Page 29: ...ushing 1 16 TS 1550041 Flat Washer 6 3 x 13 x 1 0T 1 17 TS 2246122 Socket Head Button Screw M6 x 1 0P x 12L 1 18 TS 1503051 Socket Head Cap Screw M6 x 1 0P x 20L 2 19 TS 2311121 Hex Nut M12 x 1 75P 1 20 JPJ12B 120 Stop Bracket 1 21 JPJ12B 121 Linking Plate 1 22 JPJ12B 122 Shaft 1 23 JPJ12B 123 Bushing 1 24 JPJ12B 124 Standoff 1 25 JPJ12B 125 Handle Shaft 1 26 6284865 Knob 1 27 TS 1504051 Socket He...

Page 30: ...30 15 3 Outfeed Table Assembly Exploded View ...

Page 31: ... Hex Nut M12 x 1 75P 2 14 TS 1503051 Socket Head Cap Screw M6 x 1 0P x 20L 2 15 JPJ12B 114 Handle Bracket 2 16 6284865 Knob 1 17 JPJ12B 217 Handle Shaft 1 18 JPJ12B 122 Shaft 1 19 JPJ12B 121 Linking Plate 1 20 JPJ12B 123 Bushing 1 21 TS 2311121 Hex Nut M12 x 1 75P 1 22 JPJ12B 120 Stop Bracket 1 23 JPJ12B 115 Bushing 1 24 TS 1550041 Flat Washer 6 3 x 13 x 1 0T 1 25 TS 2246122 Socket Head Button Scr...

Page 32: ...32 15 5 Cutterhead Assembly Exploded View ...

Page 33: ... M6 2 15 JPJ12B 315 Cam 1 16 TS 1540041 Hex Nut M6 x 1 0P 4 17 TS 1482031 Hex Cap Screw M6 x 1 0P x 16L 6 18 JPJ12B 318 Socket Head Button Screw w threadlocker M8 x 1 25P x 20L 1 19 TS 1550061 Flat Washer 8 x 30 x 3 0T 1 20 JPJ12B 320 Cutter Head Pulley 1 21 JPJ12B 321 Internal Retaining Ring C Type RTW 47 2 22 JPJ12B 322 Tension Adjusting Screw 4 23 JPJ12B 323 Compression Spring 4 24 JPJ12B 324 R...

Page 34: ...34 15 7 Planer Table Assembly Exploded View ...

Page 35: ... 12 JPJ12B 412 Key 3 x 3 x 10 4 13 JPJ12B 413 Key 4 x 4 x 12 1 14 JPJ12B 414 Shoulder Screw 8 15 TS 1541021 Nylon Lock Nut M6 x 1 0P 8 16 JPJ12B 416 External Retaining Ring C Type STW 35 1 18 JPJ12B 418 Planer Table 1 19 TS 2311081 Hex Nut M8 x 1 25P 1 20 TS 1490091 Hex Cap Screw M8 x 1 25P x 50L 1 21 JPJ12B 421 Lead Screw 4 22 TS 1550071 Flat Washer 11 x 37 x 3 0T 1 23 TS 1551071 Lock Washer M10 ...

Page 36: ...36 15 9 Blade Guard Assembly Exploded View ...

Page 37: ...t Head Cap Screw M6 x 1 0P x 15L 1 10 TS 1515011 Socket Head Flat Screw M8 x 1 25P x 16L 4 11 JPJ12B 511 Front Cover 1 12 JPJ12B 512 Stop Block 2 13 TS 2246082 Socket Head Button Screw M6 x 1 0P x 8L 2 14 TS 1550041 Flat Washer 6 4 x 16 x 1 6T 2 15 TS 1550041 Flat Washer 6 7 x 16 x 2 0T 2 16 JPJ12B 516 Handle 2 17 JPJ12B 517 Handle 1 18 TS 1504041 Socket Head Cap Screw M8 x 1 25P x 20L 2 19 JPJ12B...

Page 38: ...38 15 11 Gearbox Assembly Exploded View ...

Page 39: ...x 7 2 18 JPJ12B 618 Gear Shaft 1 19 TS 1550061 Flat Washer 8 5 x 16 x 0 8T 1 20 BB 608ZZ Ball Bearing 608ZZ 2 21 JPJ12B 621 Key 4 x 4 x 16 1 22 JPJ12B 622 Gear Shaft 1 23 JPJ12B 623 Gear Assembly 1 24 JPJ12B 624 Gear 1 25 JPJ12B 625 Clutch Assembly 1 25 1 JPJ12B 626 Clutch 1 25 2 JPJ12B 627 Roll Pin 3 x 20 1 25 3 JPJ12B 628 Shaft 1 26 BB 6001ZZ Ball Bearing 6001ZZ 2 27 JPJ12B 630 Gear Assembly 1 2...

Page 40: ...40 15 13 Cabinet Assembly Exploded View ...

Page 41: ... JPJ12B 722 12 Strain Relief SB8R 3 1 8 13 JPJ12B 722 13 Power Cable SJT 14AWG x 3C x 3100mm 1 9 TS 2245202 Socket Head Button Screw M5 x 0 8P x 20L 3 10 JPJ12B 710 Hub 1 11 JPJ12B 711 Socket Head Set Screw w threadlocker M5 x 0 8P x 5L 1 12 JPJ12B 712 Bevel Gear 1 13 TS 1523011 Socket Head Set Screw M6 x 1 0P x 6L 2 14 JPJ12B 714 Shaft 2 15 JPJ12B 715 Lock Handle 2 16 JPJ12B 716 External Retainin...

Page 42: ... 751 Motor Assembly 1 51 1 JPJ12B 751 1 Motor w Motor Label 3HP 230V 60Hz 1PH 1 51 2 JPJ12B 751 2 Key 5 x 5 x 35 1 51 3 JPJ12B 751 3 Motor Label 1 51 4 JPJ12B 751 4 Motor Pulley 1 51 5 TS 1550061 Flat Washer 8 x 30 x 3 0T 1 51 6 JPJ12B 751 6 Socket Head Cap Screw w threadlocker M8 x 1 25P x 25L 1 51 7 JPJ12B 751 7 Strain Relief SB8R 1 1 52 JPJ12B 752 Socket Head Set Screw w threadlocker M6 x 1 0P ...

Page 43: ...43 15 15 Fence Assembly Exploded View ...

Page 44: ...ket 1 24 JPJ12B 824 Bracket 2 25 TS 0561052 Hex Nut 1 2 20 UNF 2 26 JPJ12B 826 Stop Screw 5 16 18 x 1 1 2 L 1 27 JPJ12B 827 Connection Bracket 1 28 TS 0561082 Hex Nut 3 8 16 4 29 JPJ12B 829 Pivot Screw 4 30 JPJ12B 830 Scratch Free Pad 2 31 JPJ12B 831 Auxiliary Fence 1 32 JPJ12B 832 Self Tapping Machined Screw M4 x 1 59P x 12L 4 33 JPJ12B 833 Stop Pin 2 34 JPJ12B 834 Self Tapping Machined Screw M3 ...

Page 45: ...45 16 0 Electrical Connections for JPJ 12B JPJ 12BHH ...

Page 46: ...chased 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 47: ...47 ...

Page 48: ...48 427 New Sanford Road La Vergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

Search results

Summary of Contents for JPJ-12B

Reviews:

Related manuals for JPJ-12B

Brands by name

Popular brands

Jet JPJ-12B, Operating Instructions And Parts Manual

Search results

Summary of Contents for JPJ-12B

Reviews:

Related manuals for JPJ-12B

Brands by name

Popular brands