Jet JJP-12 Operating Instructions And Parts Manual Download Page 16

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Belt Replacement

Disconnect machine from

power source before making any adjustments.
Failure to comply may cause serious injury.

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 and two
13mm wrenches are required.

1. Remove

the

jointer fence assembly

(A) by first

loosening and removing two l

ock handle

assemblies

(B). A 4mm hex wrench is helpful,

but not necessary.

2. Remove two

button head socket scre

ws (C)

and

upper back panel

(D).

3. Remove four

button head socket scre

ws (O)

and

lower back panel

(P).

Cutterhead Drive Belt Replacement

4. Loosen four

motor mount screws

(L). Lift the

motor and rest it in the horizontal slot side of
the motor mount opening. This will create a
slack in the

cutterhead drive

belt

(F).

5. Remove the

cutterhead drive belt

(F) from

around the

cutterhead pulley

(E) and

motor

pulley

(M).

6. If the

feed-roller belt

(K) is to be replaced,

continue. Otherwise proceed to step 10.

Feed-roller Belt Replacement

Note:

If the feed-roller belt is to be replaced, steps

1–5 must be performed to remove the cutterhead
drive belt before the feed-roller belt can be
replaced.

7. Place the

power feed handle

(J) in the

down

(off/disengaged) position, which provides belt
slack for the next step.

8. Remove the

feed-roller belt

(G) from around

the

feed-roller pulley

(K) and

motor pulley

(M).

9. Loop the new belt around the smaller (inner)

motor pulley

(M) and

feed-roller pulley

(K).

Note:

The lower stretch of the feed-roller

pulley must be positioned between the

belt-

brake plates

(N).

Concluding Steps

10. Replace the

cutterhead drive belt

(F) by

looping it around the

cutterhead pulley

(E),

then the larger (outside)

motor pulley

(M).

11. Slide the motor so the

mounting screws

(L)

rest back in the vertical slot openings, then

Figure 13

tighten the mounting screws.

12. Replace the

lower back panel

(P) and secure

with four

button head socket scre

ws (O).

13. Replace the

upper back panel

(D) and secure

with two

button head socket scre

ws (C).

14. Replace the

jointer fence assembly

(A) and

secure with two

lock handle assemblies

(B).

Summary of Contents for JJP-12

Page 1: ...arts Manual Model JJP 12 Jointer Planer WMH TOOL GROUP Inc 2420 Vantage Drive Elgin Illinois 60124 Part No M 708475 Ph 800 274 6848 Revision A 10 07 www wmhtoolgroup com Copyright 2007 WMH Tool Group Inc This Manual is Bookmarked ...

Page 2: ...amination postage prepaid to a location designated by us For the name of the location nearest you please call 1 800 274 6848 You must provide proof of initial purchase date and an explanation of the complaint must accompany the merchandise If our inspection discloses a defect we will repair or replace the product or refund the purchase price at our option We will return the repaired product or rep...

Page 3: ...f Operation 18 Jointer Operations 18 Planer Operations 20 Maintenance 22 Blade Care 22 Sharpening the Knives 22 Lubrication 22 Troubleshooting 23 Performance Troubleshooting Jointer 23 Performance Troubleshooting Planer 24 Mechanical Troubleshooting Planer Jointer 25 Parts List 26 Assembly Drawings 30 Infeed Table Assembly 30 Outfeed Table Assembly 31 Cutterblock Assembly 32 Base Assembly 33 Motor...

Page 4: ...m from chemically treated lumber Your risk of exposure varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as face or dust masks that are specifically designed to filter out microscopic particles 10 Do not operate this machine while tired or under the influence of drugs alcohol...

Page 5: ...uld occur if the machine tips over 30 Never leave the machine running unattended Turn the power off and do not leave the machine until it comes to a complete stop 31 Before turning on machine remove all extra equipment such as keys wrenches scrap stock and cleaning rags away from the machine 32 Always use a hold down or push block when surfacing stock less than 12 inches long or 3 inches wide or 3...

Page 6: ...tock firmly 40 Do not use this for other than it intended use If used for other purposes WMH Tool Group disclaims any real or implied warranty and holds itself harmless for any injury or damage which may result from that use Familiarize yourself with the following safety notices used in this manual This means that if precautions are not heeded it may result in minor injury and or possible machine ...

Page 7: ...R Fence positive stop 90 45 R Planer table 21 1 4 x12 Planer capacity Full width cutting depth 1 8 Maximum cutting thickness 8 Max depth of cut 5 32 Min length of work piece 6 Feed rate 20 fpm Motor Voltage 230V 60Hz 12 5A 3HP 1Ph Switch magnetic switch with limit switch Overall Dimensions LxWxH 55 x29 1 2 x39 2 5 Net weight 500 lbs Read and understand the entire contents of this manual before att...

Page 8: ...ard the carton or packing material until the machine is set up and running satisfactorily 2 Inspect the contents for shipping damage Report damage if any to your distributor Tools Required for Assembly 1 Accurate Straight Edge approximately 2 ft 1 Cross point Screwdriver 1 4mm Hex Wrench included 1 5mm Hex Wrench 1 6mm Hex Wrench included 1 10mm Box Wrench 1 13mm Box Wrench Note Use of sockets and...

Page 9: ...wn in C Fig 3 The latch E Fig 3 should be engaged preventing the table from an accidental forward fall 3 Position the dust chute D H Fig 3 to the right 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 Planer to Jointer Setup Referring to Figure 3 To change the machine configuration from planer...

Page 10: ... planer table C counterclockwise to lower 3 Lock the table lock E Each revolution of the handwheel F results in a 5 32 up or down movement of the table C A scale on the handwheel column indicates the amount of handwheel rotation A pointer B indicates the table position relative to the cutterhead on the scale A located on the side of the cabinet Jointer Controls and Adjustments Referring to Figure ...

Page 11: ...s to distribute wear on the cutterhead knives This is done as follows 1 If necessary loosen the cutterhead guard H to permit the fence assembly to move freely without being constrained by the guard 2 Loosen two fence assembly locking handles E 3 Move the entire fence assembly to the desired position then re tighten the handles E 4 Readjust and secure the cutterhead guard To tilt fence backward The...

Page 12: ...so as the machine undergoes use the tables should be checked occasionally and adjusted if necessary The procedure described below uses a steel straight edge to set the tables which should be accurate enough for most purposes Important The tables must be locked in position when performing the following test Referring to Figures 8 and 9 1 Disconnect jointer from power source 2 Loosen the lock knob A...

Page 13: ... will lower the table Adjusting the two right setscrews will have greatest adjustment impact to the table s right side adjusting the two left setscrews will have greatest adjustment impact to the table s left side 3 When adjustment is complete tighten the hex cap screws B1 Front adjustment Tools required two 13mm wrenches 1 Hold the hex cap screws A1 in place with one wrench while using the other ...

Page 14: ...J on the outfeed table F near the fence H One end of the straight edge should be positioned over the cutting knife C near the end of the blade as shown in Fig 9 Use care when handling the straightedge near the blades to prevent damage Note the position of the knife blade with respect to the straightedge then move the straightedge to the other side of the table and again note the position of the kn...

Page 15: ... of any dust or debris 7 Insert replacement knife C into the knife slot making sure it faces the proper direction 8 Insert lock bar B and tighten just enough to hold in place 9 Repeat for other two blades The knives must now be adjusted as described in Setting Cutterhead Knives on page 14 Jointer Table Lock Handle Adjustment Referring to Figure 10 on page 13 For best performance the jointer table ...

Page 16: ... belt K is to be replaced continue Otherwise proceed to step 10 Feed roller Belt Replacement Note If the feed roller belt is to be replaced steps 1 5 must be performed to remove the cutterhead drive belt before the feed roller belt can be replaced 7 Place the power feed handle J in the down off disengaged position which provides belt slack for the next step 8 Remove the feed roller belt G from aro...

Page 17: ...on the work table C at one edge D directly under the cutterhead 4 Unlock the table lock handle F 5 With the handwheel G gently raise the table C until the gauge block B makes slight contact with the tip of the knife blade then lock the table 6 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...

Page 18: ... 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 16 and presses down on this part of the workpiece at the same time maintaining flat contact wi...

Page 19: ... Set the infeed table for a cut of approx imately 1 16 inch 5 Hold the stock firmly against the fence and table feed the stock slowly and evenly over the cutterhead Beveling Beveling an edge is the same operation as edge jointing except that the fence is tilted to a specified angle Make certain material being beveled is over 12 inches long more than 1 4 inch thick and 1 inch wide To bevel 1 Use a ...

Page 20: ...cy of the test cut before working on the finished product Precautions A thickness planer is a precision woodworking machine and should be used on quality lumber only Do not plane dirty boards dirt and small stones are abrasive and will wear out the blade Remove nails and staples Use the planer to cut wood only Avoid knots Heavily cross grained wood makes knots hard Knots can come lose and jam the ...

Page 21: ...utfeed roller 9 Repeat this operation on all of the 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...

Page 22: ...Remove the blade guard and belt cover 3 To protect the infeed table from scratches partially cover the sharpening stone with paper Figure 22 4 Lay the stone on the infeed table 5 Lower the infeed table and turn the cutterhead by turning the cutterhead pulley The infeed table height is set properly when the stone s surface is flush with the knife bevel 6 Keep the cutterhead from rotating by graspin...

Page 23: ...ts imperfections in wood Inspect wood closely for imperfections use different stock if necessary Wood has high moisture content Allow wood to dry or use different stock Fuzzy grain 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 pressure to workpiece Knives incorre...

Page 24: ... Dull knives Sharpen knives Dull knives Sharpen knives Too heavy a cut Adjust proper depth Rough Raised Grain Moisture content too high Remove high moisture content from wood by drying Dull knives Sharpen or replace knives Feed speed too slow Increase speed Rounded glossy surface Cutting depth too shallow Increase depth Inadequate feed roller pressure Adjust feed roller tension If proper tension c...

Page 25: ...e tightness of each Look for any signs of electrical arcing which is a sure indicator of loose connections or circuit overload Motor starter failure Examine motor starter for burned or failed components If damage is found 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 sta...

Page 26: ...1 Socket Set Screw M8x10 8 24 JJP12 024 Plastic Disc D6 8 25 TS 1490051 Hex Cap Screw M8x30 6 26 TS 1550061 Flat Washer M8 6 27 JJP12 027 Table Support 2 28 JJP12 028 Spring 2 29 TS 1490021 Hex Cap Screw M8x16 2 30 TS 1540061 Hex Nut M8 3 31 JJP12 031 Big Cam Wheel 1 32 TS 1522031 Socket Set Screw M5x10 1 33 JJP12 033 Cutterhead Guard with Cap 1 34 TS 1524031 Socket Set Screw M8x12 8 61 JJP12 061 ...

Page 27: ...JJP12 106 Washer D52 2 131 JJP12 131 Carriage Bolt N12x65 1 132 JJP12 132 Square Washer 1 133 JJP12 133 Bushing 1 135 JJP12 135 Bearing BRG80101 1 136 JJP12 136 Chain Wheel 1 137 TS 2342121 Lock Nut M12 1 138 JJP12 138 Pan Head Screw M4x35 2 139 TS 1541021 Lock Nut M6 2 140 TS 1550041 Flat Washer M6 2 141 JJP12 141 Safety Switch 1 142 JJP12 142 Safety Switch Bracket 1 143 TS 1541001 Lock Nut M4 2 ...

Page 28: ...ew M5x10 2 233 JJP12 233 Flat Belt Feed Roller Pulley 1 234 JJP12 234 Cam Wheel 1 235 JJP12 235 Bearing BRG80100 2 236 JJP12 236 Bearing Spacer 1 238 TS 1524031 Socket Set Screw M8x12 2 239 JJP12 239 Motor Pulley 60Hz 1 240 JJP12 240 Flat Belt for Feed Roller 1 241 TS 1490041 Hex Cap Screw M8x25 4 242 TS 1550061 Flat Washer M8 4 243 JJP12 243 Motor 3HP 230V 60Hz 1Ph 1 244 JJP12 244 Washer H8 4 245...

Page 29: ... 332 TS 1550061 Flat Washer M8 4 333 TS 1524051 Socket Set Screw M8x20 4 334 TS 1490061 Hex Cap Screw M8x35 4 335 JJP12 335 Column 1 336 TS 149105 Hex Cap Screw M10x35 2 337 TS 2361101 Lock Washer M10 2 338 JJP12 338 Planer Table 1 339 JJP12 339 Scale Ring Assembly Inch 1 368 JJP12 368 Hinge Pin 2 369 JJP12 369 Square Nut M8 2 370 TS 1541021 Lock Nut M6 2 371 JJP12 371 Fence Mounting Bracket 2 372...

Page 30: ...30 Assembly Drawings Infeed Table Assembly ...

Page 31: ...31 Outfeed Table Assembly ...

Page 32: ...32 Cutterblock Assembly ...

Page 33: ...33 Base Assembly ...

Page 34: ...34 Motor Assembly ...

Page 35: ...35 Planer Table Assembly ...

Page 36: ...36 Fence Assembly ...

Page 37: ...37 Electrical Connection Accessories Stock No Description 708821 Replacement Knives for JJP 12 Jointer planer set of 3 709207 13 Roller Stand ...

Page 38: ...38 Notes ...

Page 39: ...39 Notes ...

Page 40: ...74 6848 between 7 30am and 5 30pm CST Monday through Friday Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately WMH Tool Group Inc 2420 Vantage Drive Elgin Illinois 60124 Phone 800 274 6848 www wmhtoolgroup com ...

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