Knowledge Base / FAQ

Question:

My AKBU 35 PMQ suddenly won't start. What could be the reason?

Apart from the usual components in question, such as the motor and electronics, a sudden failure of the machine may be due to an incorrectly plugged connection cable. Please check the connection cable.

Can aerated concrete also be processed with the MKAS 355?

The MKAS 355 is not intended for sawing materials other than metal.
Sawing gas concrete also produces mineral dust, which is harmful to the motor.
The MKAS 355 cross-cut saw is not designed for this.

Can cast iron also be machined with the MKAS 355??

Cast iron can be machined with the MKAS 355
We recommend the mild steel saw blade 63502302000

Question:

Where can I find the dimension for the distance between the center of the core drill and the front edge of the gearbox, magnetic base.

You can find the drawing with the dimensions click here

How can I change the rubber lip/brush on the combination nozzle of my FEIN Dustex 25 / Dustex 40?

There is a gap on the left and right side of the combi nozzle. There is a lock in these gaps which holds the brush or rubber lip in place. Using a small screwdriver, you can release the lock by pushing it to the side with a little pressure.
The part to be inserted is now inserted with light pressure until the lock snaps back into place.

How can I prevent the cutting edges from overheating, becoming blunt or breaking out during core drilling?

Good lubrication must be ensured when drilling. This is optimally achieved with the internal cooling of the core drill via a tank, a hand pump (order number 32132022007) or a cutting spray. Use a commercially available drilling emulsion for the tank or hand pump. The internal coolant supply is a gravity lubrication system that is only functional in a horizontal position (coolant tank at the top). In all other positions, the coolant must be delivered to the drilling point manually (hand pump, cutting spray). When cooling from the outside, note that from a certain drilling depth, only small amounts of coolant reach the cutting edges of the core drill. The coolant is always transported outwards with the chips. Ensure that sufficient coolant reaches the cutting edges. Place the core drill gently on the material to be processed. This will prevent premature breakage or blunting of the cutting edges.

How do I remove the chuck from the tapping machine?

Two stripping wedges are required to remove the chuck. For small tapping machines such as GWP 10, AGWP 10, ASg 636 and ASge 636 with output taper B12, you will need the drive-off wedges with the order number 63305009013. For the large tapping machine ASg 648 and ASge 648 with output taper B16, you will need the drive-off wedges with the order number 63305010015. The drive-off wedges are placed against each other between the chuck and the gear housing. Place one wedge on a work plate. Use a hammer to drive the opposite wedge inwards until the chuck is blasted off.

In which direction must the sanding belt 69903042000 150X2000 K 40 R 10-pack be mounted?

The running direction is marked on the FEIN layout print, but was never necessary as it is a glued seam belt splice that has no hooks.
This means that the belt can be used in any direction without any further specifications.

Is it possible to cut tiles with an oscillator such as: MultiTalent, MultiMaster or SuperCut

Oscillating cutters and their accessories are not suitable for cutting tiles. When cutting tiles, the coating of carbide and diamond tools wears off without any noticeable progress. The oscillators and the available accessories are only intended for cutting tile joints. A high-speed power tool such as an angle grinder should be used for tile cutting.

Is it possible to order accessories online in the spare parts catalog?

Customers from Germany can order the accessories shown in the spare parts catalog in the spare parts catalog. From other countries, or if you are looking for additional accessories, please visit the Fein website for your country at www.fein.com. Here you will find the corresponding accessories under the respective machine. On this website, you will also find the contact details of your national representative or one of our specialist dealers in your area. Addresses can be found under the dealer search tab.

Product recall Safety Recall Notice 72725361127 and 72725261124

At FEIN Power Tools, Inc., we prioritize the safety of our customers and the reliable operation of our products. It has come to our attention that some drills were manufactured without the correct safety straps and without the proper documentation on strap use in the owner’s manual. Without these straps and proper instructions, the drills may not able to be securely fastened, posing a risk of falling if the magnet loses it power during an unusual operating condition, which could result in serious injury.

The following devices are affected:
MAGFORCE MAGNETIC BOARD MACHINE ARTICLE NO. 72725361127 & USA 101 MAGNETIC BOARD MACHINE ARTICLE NO. 72725261124 SOLD BETWEEN JANUARY 1, 2024 AND FEBRUARY 28, 2025 with the affected serial numbers: 2024-01.000000 - 2025.02.000000.
See note under Medien.

REMEDY: We urge customers to immediately stop using the affected drills. Please contact FEIN Power Tools, Inc. at 1-800-441-9878 or email Info@feinus.com to arrange for the installation of the correct safety straps at no charge.

We apologize for any inconvenience this may cause and appreciate your continued support and business.

Safety Recall Notice

Link to the Safety recall page Internetseite

What are the different MKAS 355 saw blades suitable for?

1 . 66 teeth (63502301000); for mild steel:
Maximum cutting thickness 12mm, ideal cutting thickness is 5-8mm

2. 80 teeth (63502302000); for aluminum,
ideal for solid material and wall thicknesses over 15mm

3. 90 teeth (63502304000), for flat steel / thin steel
ideal for solid thin steel materials and wall thicknesses over 15 mm

4. 100 teeth (63502303000), for stainless steel
ideal for material thicknesses from 1.5 mm to 3.2 mm

What is the best cutting performance of the saw blades on the MKAS 355?

D=355mm*66 teeth; steel --> iron square tube Q235 material 120*120*5mm; cutting point: corner of square tube

D=355mm*80 teeth; aluminum --> square solid material: 40*40mm; intersection: cutting on the flat surface

D=355mm*90 teeth; flat steel --> Q235 material, 150*600*30mm; cutting point: cutting on the flat surface

D=355mm*100 teeth; stainless steel --> 304 stainless steel round tube with diameter 41mm and wall thickness 2.75mm

What material thicknesses can be processed with the MKAS 355?

D=355mm 66 teeth: steel -> max. material thickness 12mm (carbon steel tubes) --> 120-150 cuts at 5-8mm.
D=355mm 100 teeth: stainless steel --> max. material thickness 3mm (pipe) --> 80-110 cuts.

What needs to be considered when core drilling?

• Ensure that the machine is stable. The workpiece surface must be even, clean and at least 12 mm thick. Information on material thickness can be found in the operating instructions for the respective machine.
• Use a centering pin.
• Ensure the required coolant supply. The coolant is supplied directly to the drill tip by the integrated internal coolant lubrication. Gravity lubrication does not work when drilling overhead or horizontally. It must be lubricated with a cutting spray or pump spray.
• Make sure you select the correct gear stage. The speed is set depending on the desired drilling diameter: Small diameter - high speed. Large diameters - low speed. Start the drilling process with the drill motor switch.
• Carefully position the drill bit and drill through in one go if possible.
  Do not switch off the machine during the drilling process, otherwise the cutting edges may break out.
• From a cutting depth of 30 millimetres, it can be advantageous to briefly interrupt the drill feed and retract the core drill slightly. This ensures safe chip removal. After breaking through the material, remove the core drill from the drill hole with the drill motor running.
• Before retracting the drill bit from an unfinished hole, allow the machine to run briefly on the bottom of the hole without removing the chips. This will break the chips at the bottom of the hole.
• Only remove chips with the supplied chip hook. -> Risk of injury.