How to Replace Bladed Auger Teeth (A-series Augers)

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If your A-series auger teeth look anything like the below you should replace them rather sooner than later.

The tungsten tip A-Series Auger tooth will wear most on the leading edge of the tungsten. You should see a valley type pattern on the underside of the teeth.

In the following, you will find a guide on how remove and install worn auger teeth for A-series augers. If you need to install tapered teeth or rotating rock picks check out our blog. In the meantime, you can also watch our video. 


Removing Bladed Auger Teeth

Bladed teeth are found on all A series earth augers. Follow these first steps to remove them.

1. If a nylon pin (Pinloc) is in place, remove it using a hole puncher or by breaking the pin. Pinloc is available on A4 augers only.

2. Place a punch in the groove on the back of the tooth, Tap on the back of the punch with a hammer to dislodge the tooth. This should also release the Rubberloc, if used.

3. If the tooth is jammed or difficult to remove, a pin punch or centre punch can be placed at the base of a tooth (to dislodge it), and tapped out with a hammer.


Installing Bladed Auger Teeth

Once removed we move onto replacing the teeth. Are you adding rubber or pin loc for additional hold? Then make sure to check out the rubberloc & pinloc steps below as well.

1. Place the auger so the head is easily accessible. Secure it in place, to ensure it cannot fall.

2. With the auger hub on the ground and the auger head facing up, turn the tooth so that the punch groove is facing up. For a more in-depth illustration, move to the bottom of the page.

3. Place the tooth in the pocket, and knock it in with a soft head mallet. A standard hammer will shatter the tungsten tips.

4. Ensure all teeth and pilot are locked in tight before starting to drill.

While the vulcanised rubber pads will hold the tooth firmly in place for most applications, we recommended that you use an additional method to secure the tooth. The following steps show you how to install the rubberloc and pinloc options.


Adding Rubberloc 

Follow these steps to add Rubberloc for additional hold.

1. Cut the rubber approximately 3mm shorter than the tooth width. Moisten the rubber in water to assist in tooth insertion. Do not use oil. 

2. Insert the cut piece of rubber through the horizontal hole inside the tooth holder. Place the teeth in the pockets.

3. With the auger tooth placed in the pocket, knock the tooth in with a soft head mallet.

4. The rubber folds back and compresses between holder and tooth locking the tooth firmly in position.


Adding Pinloc (A3 & A4 series auger only)

Follow these steps to add the Pinloc. Pinloc is used for drilling in hard to very hard soils and rock, or for tree roots where reversing the auger is necessary.

1. Once the teeth have been replaced according to previous steps, insert the Nylon Pin through the top of the pocket. 

2. Knock the pin in with a soft head mallet, to lock the tooth into place.



Ensure your teeth are installed correctly!

Correct way of installing bladed teeth.

When it comes to installing auger teeth, the right direction is crucial. Here’s how to correctly install A-series auger teeth.When the auger is in its drilling position, the cutting edge of each tooth should be pointing to the ground.


Incorrect way of installing the teeth.

The above tooth has been inserted incorrectly. Flip the tooth so that the cutting edge points towards the ground.


Note, that the following configuration of flat and chisel teeth, as well as the depth need to be considered too.

Installing the Auger Pilot

Finally, removing and installing the pilot is a very simple process as follows.

1. Place the pilot on the bottom of the auger (in the centre) and secure it with the nut and bolt.

Got questions? Make sure to reach out to us should you have any trouble removing or installing your auger teeth. For spare parts or service enquiries, head to our website or give us a call at 1300 2 DIGGA.

Need to replace Tapered or Rock Pick Auger teeth? Visit our blog entries below.

How to Replace Tapered Auger Teeth

How to Replace Rotating Rock Picks

You can also download our full guide here or watch our video.


TOOTH INSTALLATION GUIDE - PRINTABLE VERSION





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