Question about Ammco Gear - Shear & C - Clip F/ 4000/4100

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The shear gear keeps stripping on my combination brake lathe

Gear keeps stripping

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2 Answers

Blows breaker and groweling noise


It sounds like the motor is bogging down due to bad bearings or something is making the shaft too hard to spin. Make sure all the spindles are free. If its happening under load, make sure the lathe gets up to speed before trying to make any cuts.

Oct 18, 2012 | Ammco Combination Disc/Drum Brake Lathe

2 Answers

I have an aamco 4000 brake lathe, the disc feed is not working


The cross feed drive shaft is connected to the cross feed spindle via a coupling that resembles a universal joint that is threaded onto the end of the cross feed spindle. Either one of the roll pin holes in the drive shaft coupling has worn and the roll pin fell out or it has broken, or the coupling could have came un-screwed from the cross feed spindle. Remove the 4 bolts that hold the cross feed gearbox on and slowly pull it away from the machine and you should see the coupling I'm describing. My guess is that the roll pin broke or fell out due to wear. You can buy a new drive shaft and coupling or drill and install the next larger roll pin. Either way you should download a parts list for your machine. Just search for it, they can be downloaded free.

Aug 22, 2012 | Ammco Combination Disc/Drum Brake Lathe

1 Answer

Can,t get the front brakes off


If its a disc brake set up there are bolts holding the calipers to the steering knuckle. If its a drum setup, then the star gear that pushes the lower portion of the pads out may need to be backed off. Tap around the drum to break lose any rust, corrosion build up

Aug 05, 2012 | Ammco Combination Disc/Drum Brake Lathe

1 Answer

AMCCO 4000 BRAKE LATHE CHATTERS WHILE TURNING ROTORS


Not enough rigidity, wrong speed, wrong feed rate, wrong depth of cut, wrong or dull tooling...

Feb 03, 2012 | Ammco Combination Disc/Drum Brake Lathe

1 Answer

Ammco


Most likely you have a stripped out "disc feed screw."
This is a common problem I see several times a month in the field.
The stripped out portion of the screw is near the end of the feed range obviously.

If you need parts or more questions answered....

Buy Sell Used Brake Lathes Brake Lathe Parts

Jan 22, 2012 | Ammco Combination Disc/Drum Brake Lathe

3 Answers

Brake lathe chattering bad


There's a lot of reasons why a brake lathe chatters during a cutting operation. They range from lack of maintenance, adjustments, cutting speeds, wrong cutting tools and so on and so forth.

Be a little more specific.

What kind of machine are you using?
What are you cutting? (rotors? drums?)
Are you using the proper silencers?

Come back with some answers please.

Buy Sell Used Brake Lathes Brake Lathe Parts

Dec 16, 2010 | Ammco Combination Disc/Drum Brake Lathe

1 Answer

How do I change the belt on my ammco 4000 lathe?


I am a brake lathe technician.

To change the drive belt on an Ammco 4000, you must first remove the 90 degree angle PTO (power take off) gear assembly which is driven off the back of the big pulley. Two small allen head screws hold it tight.

Pull the PTO gear assembly out of the disc-feed gearbox. If there are colored shims between the gearbox and the PTO assembly, you must make sure not to loose. If they drop off, be sure to replace them with a dab of grease.

Rotate the red knob at the back of the machine and the motor assembly will unlock and rotate upwards. Replace the drive belt.

To adjust the drive belt tension properly--loosen the 3/4 inch nut on the back of the machine, and the motor will drop down. Tighten the 3/4 inch nut and then rotate the red knob back until the belt is taught.

Replace the PTO gear assembly--making the rotating part with the protruding pin is centered on the big pulley. Tighten the allen head cap screws.

Turn on the machine. If the PTO is making noise--you have not correctly is correctly. Repeat the centering process until the machine runs without rattling or vibration.

Sep 28, 2010 | Ammco Combination Disc/Drum Brake Lathe

2 Answers

I need a manual to repair my tos trencin lathe sn-40a


I am looking for a tos trencin taper attachment for a 20" lathe. Got any ideas?

Apr 15, 2010 | Ammco Combination Disc/Drum Brake Lathe

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