Question about Delta Machinery Jointer Pal,TM, Knife Setting Jig - 37-157

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I'm trying to adjust/replace the knives on my Delta JT160 but cannot get the four screws loose needed to make this adjustment. I've tried penetrating oil several times, WD40 and heat from a propane torch. Still, nothing will move the screws. I've tried using vice grips to hold the 4mm allen wrench -- still, nothing. Any other suggestions will be greatly appreciated and tried! Thanks Reg

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Please read my response to another jointer problem here, and heed that advice.
In your case, part #28 is the lock screw/bolt, and part#27 is the height adjusting allen screw. (See parts diagram here.)
I haven't worked on your particular model, but if the instruction manual is any good, it will help you with this task... for that see this link.
Make sure you unplug the jointer before working on the knives.
As you retighten them, make sure the knife is centered from side to side so the cutterhead will rotate without binding, and gently snug up the lock bolts before adjusting the height with the allen screws. Hold pressure on the magna-set, if you have one, so it doesn't move as you raise the knife adjuster up to snug against the bottom of the knife, but don't lift the knife up so high it raises the magnaset or straightedge above the outfeed table. Also make sure you are adjusting the knife when it is positioned at the peak of its arc, i.e. with the cutterhead in the proper position of rotation.
When you have the knife at the right height, tighten the lock nuts, recheck the heights, and make a final check of the lock nuts before moving on the next knife.
Work on only one knife at a time, leaving the others tight while you do so. You don't want to reduce the torque on the cutterhead unevenly.
Good luck.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Posted on Jun 21, 2010

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Just wanted a copy of the manual for Delta DJ-15 and to be specific the section about changing blades. Lost my manual somewhere and have only changed blades once. I have the magna planer setup for it and...


You can download the online manual from this link. You may also wish to do a google search on "jointer tune up" and you're sure to turn up some helpful articles, some of which will directly apply to your machine. There are a lot of delta jointers out there.
Just make sure you carefully tighten the lock bolts/nuts across the blade in a non-linear order, to spread the load across the cutterhead evenly, and change only one blade at a time, rather than removing all three and then inserting three sharp knives. In this way, you maintain proper tension across the cutterhead at all times.
If you used a magna set and didn't score a line on the fence to locate the magnaset at the peak position of the knives' arc around the cutterhead, then you may wish to do this first with a fine point marker. That way you'll ensure that the magnaset is in the same position when you adjust each knife as it was for the others. I sometimes use a 12" straightedge laying on edge along the outfeed table to double check the height of the knives, as the magnaset alone seems to have a bit of play in it and I can feel the roll of the knife edge against the underside of my rule to indicate the perfect height, too much or not enough and make corresponding adjustments. But I do use the magnaset to hold everything in place while I tighten the screws down.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Jul 25, 2011 | Delta Woodworking Masonry Tools

1 Answer

I cannot level the tables on my jointer. When I place a level on my tables,the front of the in table is about 1/4" low. how do adjust it? Or better yet where can I geta manual?


Please go to this link, download the instruction manual, then read and understand it before using your jointer. Incorrectly adjusted, even correctly adjusted, jointers can be dangerous tools, and failure to heed the instructions can easily cost you the loss of a fingertip or worse. Only when properly adjusted with the jointer be of any worthwhile use, anyway.
For more detailed information and numerous good articles with details on how to tune and use a jointer, search google for "jointer tune up".

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Jul 06, 2011 | Delta JT160 Shopmaster 10 Amp 6 Inch...

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The knives on my Delta jointer don't contact the trailing edge of the board. As a result the board has a convex edge (high in the middle) The tables are parallel and the outfeed table is flush with the...


The knives could be dull, you would have to be the judge of that. If the bevel & face are rusty they are probably dull. They can be honed or taken to a sharpening shop.

The outfeed table could also be too high. I usually adjust the knives above the outfeed table. I use an aluminum straight edge & adjust them using a sheet of printer paper on the outfeed table so that they are about the thickness of the paper above the table. I place the paper on the outfeed table put the straightedge on the paper & rotate & adjust each knife so they just slightly hit the straightedge when I rotate the cutterhead by hand. Needless to say the jointer needs to be unplugged while doing this.

The board could also be convex to start with. To fix that problerm start jointing at the start of the convex part and not at the end of the board.

Good luck,
Frank

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How do I change the two blades


Operator's manual for 22-547 portable planer is here.

Page 10 and 11 discusses the process of changing the knives in detail. I'd like to reiterate the manual's comment about how sharp these knives are. Use gloves or be VERY careful.

Per manual:

1. DISCONNECT THE TOOL FROM THE POWER SOURCE.

2. Lower the head assembly by turning handle (B) Fig. 15.

3 Remove chip deflector (A) Fig. 19.

4. Carefully place knife setting gage (B) Fig. 20, on the cutterhead so the rounded sections are directly over the knife as shown.

5. Loosen the knife locking bar by turning the seven knife locking screws, six of which are shown at (C) Fig. 21, CLOCKWISE and carefully remove knife locking bar (D) Fig. 22, knife (E), and springs (not shown) which are located under the knife.

6. Remove the remaining knife in the same manner.

7. Thoroughly clean the knife slots, knife locking bars and screws. Check the screws. If the threads appear worn or stripped or if the heads are damaged, replace them.

8. Carefully replace the springs (not shown), knives (E) Fig. 22, and knife locking bars (D), into both slots of cutterhead (F). IMPORTANT: WHEN REPLACING KNIFE LOCKING BARS (D) AGAINST KNIVES (E), AS SHOWN IN THE CROSS-SECTIONAL ILLUSTRATION Fig. 22, MAKE CERTAIN THE BARS ARE INSTALLED AS SHOWN, WITH
SCREWS (C), POSITIONED AT THE TOP OF KNIFE LOCKING BARS (D), AND ANGLED DOWNWARD HOLDING THE KNIVES (E) PROPERLY INSIDE THE CUTTERHEAD SLOTS. TURN KNIFE LOCKING SCREWS, ONE OF WHICH IS SHOWN AT (C), COUNTERCLOCKWISE JUST ENOUGH TO HOLD BOTH KNIVES (E) IN THE CUTTERHEAD (F).

9. Adjust both knives (see manual).

Jan 17, 2010 | Delta 22 - 547 12" Steel Knife Set for 22...

1 Answer

It seems to be cutting unevenly from left to right?


Operator's manual for the 22-547 is here.

It sounds like you may need to adjust the knives. Page 10 and 11 of the operator's manual discuss the details. See below: (I have removede references to the figure and diagrams in the manual - look there for pictures).

ADJUSTING KNIVES

To check and adjust the knives, proceed as follows:
1. DISCONNECT THE TOOL FROM THE POWER SOURCE.

2. Lower the head assembly by turning handle

3. Remove chip deflector

4. Carefully place knife setting gage, on the cutterhead so the rounded sections are directly over the knife as shown. When adjusted correctly, the knife should just contact the bottom of the center portion at each end of gage. Check the other knife in the same manner.

5. If an adjustment to one or both knives is necessary, slightly loosen the seven locking screws, by turning the screws CLOCKWISE into the knife locking bar just enough to relieve stress in the cutterhead and not disturb the knife setting.

6. With setting gage, in place, apply pressure to the knife being reset. Turn the seven knife locking screws, CLOCKWISE until the knife locking bar becomes loose. Lift springs will automatically raise the knife until it comes in contact with gage. Snug the knife locking bar by lightly turning the seven locking screws, COUNTERCLOCKWISE.

IMPORTANT: AT THIS TIME, ONLY TIGHTEN THE KNIFE LOCKING BAR JUST ENOUGH TO HOLD THE KNIFE IN POSITON INSIDE THE CUTTERHEAD SLOT.

7. If the other knife needs adjustment, repeat STEP 6.

8. After both knives are positioned in the cutterhead, turn each of the seven screws, COUNTERCLOCKWISE until the knife is secure in the cutterhead. NOTE: When tightening knife locking screws, tighten the end screws first, then inward toward the center of the cutterhead.

9. Replace chip deflector.

Jan 12, 2010 | Delta 22 - 547 12" Steel Knife Set for 22...

1 Answer

We are trying to remove the handle on a delta 172 single handle kitchen faucet. The hex screw won't budge now, but we were able to get the handle a little bit loose. Now not only is the faucet dripping,...


Hi,
Make sure the exact allen key is in the screw. take a small adjustable wrench, close it onto the allen key, and loose with wrench turning the allen key.
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Looking for blades for a 6 inch craftsman Jointer/planer. Model number 103 2066. Manufactured by King Seely. Sears Roebuck do not have but I am wondering if there is are generic blades that will fit. (I...


Most reliable sharpening services will be able to grind knives for your jointer that will work just fine. The key is to match the existing knives as far as thickness (guage) and height of the new knives. You want them to give you maximum life but not extend too far past the cutterhead when adjusted all the way down. I don't know about your machine, but on an 8" powermatic the tip of the knife shouldn't extend more than about .0012" above the circumference of the cutterhead. You can check this with a set of calipers and give the height to the sharpener, then just choose high speed steel or carbide and you're on your way.
If you check the overall length of the knives, sometimes they are slightly under the nominal length, and a 6" long knife could bump into the housing as the cutterhead rotates, so this is one other thing to check before you go ahead and order them 6" long.
But the short answer is, no problem. Just get a reliable sharpener to make them for you, buy a quality steel blank, and have him put a fine grit polish or hone on the knives when he sharpens them...

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Jul 16, 2009 | Delta JT160 Shopmaster 10 Amp 6 Inch...

1 Answer

Need info about circa1950's Rockwell/Delta 8" jointer


I can't help you with the knives, but I can help you with the motor - you need to find the plate on the motor with its specs. If it has a horsepower rating, just replace with the same horsepower. If it doesn't show a horsepower rating, I need the amperage (FLA), and the voltage, I can determine it from that. Please get back to me with both the horsepower rating and the voltage and FLA if you can, and tell me what voltage you are going to hook up to.

Mar 16, 2009 | Masonry Tools

1 Answer

Can not find replacement blades for delta jointer


I can't get a hit on that number, the model must be other. But it shouldn't be too hard.
Try to find a reliable sharpening service in your area; someone who does saw blades and knives for the cabinet shops will have a source for tool steel and carbide and can make you a set of knives for your jointer. Just get tool steel. While it won't hold it's edge quite as long as carbide knives, it will take a sharper edge to begin with, and should last just fine if you don't run sand through it.
If you have the original knives, hang onto them as they most likely can be resharpened to like new condition, and steel today ain't necessarily what it used to be.
The critical factor is the height. It's usually between 5/8" and 3/4" tall. You want them to be able to rest all the way down on the adjustable pistons without sticking up more than 10-15 thousands above the cutterhead. That will give you the most resharpenings from a set. You might want to invest in a magnaset to help with setting the knives in place.
Here's a link to the sharpening service I use: http://maps.google.com/maps?rls=com.microsoft:en-us&oe=UTF-8&um=1&ie=UTF-8&q=Precision+sharpening+%2B+Albuquerque,+NM&fb=1&split=1&gl=us&view=text&latlng=15322695688682105671
Finally, I would almost bet some contemporary delta replacement knives would work. If you find a place that will return your funds if they don't, you might be able to order them online. These guys will carry them if you can't find someone nearer you: http://woodworker.com


If I've answered your question or solved a problem, please take a moment to rate this posting...thanks!

Mar 04, 2009 | Delta Jointer Blades 6 Inch Fits , Jet...

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