FAQ

The twin hose for welding mounted on our hose reels cannot be used with propane gas.

Yes, you can replace the spring with a few simple steps.
Video tutorials are available on the YouTube company channel by clicking here.

The loading or unloading operations are illustrated step by step in our YouTube company channel.

Yes, the "safety system" is available as standard, a technical device designed by RAASM that keeps the handle locked, avoiding rotation during the whole hose unwinding phase. The rewind clutch and the rotation lock are also available.
To find out how the safety system works visit our YouTube channel.

A bracket with bayonet type quick coupling allows an easier movement of the cable reels in the various workstations. The placing of several brackets in the service points allows the hose reels to be easily moved to the various workstations. To prevent removal or theft of the hose reels, it can be secured with a bolt or padlock.

Check out the video of the bayonet bracket on the corporate YouTube channel.

On our YouTube channel you can watch the dedicated video tutorial that guides you step by step through the operations to be performed.

The malfunction can be solved by following these procedures:
1) check on the programming menu that the arrow indicating flow direction is correctly set, with the actual direction of distribution flow;
2) unscrew the 8 rear screws and open the cover: check that the oval gear with the four magnets is positioned to the right (keeping the instrument so that the display faces downwards) and with the magnets positioned downwards (not visible on opening, or rather towards the electronic board).

No, the various models making up our digital-meter family work with oil, diesel, window cleaning liquid and anti-freeze. We do not currently have tools to measure grease distribution.

If this occurs after a battery change, remove the batteries and repeat the operation, following the procedure outlined in the instruction manual.

Yes, this is no problem because the seals are all in Viton^®.

The preparation operations are few, simple and clear and are illustrated step by step in our youtube company channel: click here to watch the video.

There is a check valve on the air input tap. If you want to replace the tap with a rapid air connection for example, simply follow the directions provided in the manual instructions In this case, you would need to place a ball tap, code S201, in front of the rapid connection to serve as a check valve.

Yes, it's possible to create a network of computer connected with the FCS using a specific software.

No, RAASM doesn't have a meter for AdBlue^® or in stainless steel.

No, each OCU must be connected to at least one DMU and up to a maximum of 3 DMU's.

The information on the OCU cannot be recovered when you install a PC later after operations have started. On the contrary when you need to replace the PC with a new one you can copy the data folder of the old PC and paste it on the new PC in order to save setting and data history.

The preparation operations for the pulser cleaning are few, simple and clear and are illustrated in every single step in the Youtube company channel.

No, the AISI 304 painted steel and stainless steel pressure sprayers are not suitable for use with these highly corrosive liquids or, in general, with solutions containing sodium hypochlorite.

No, the use of this type of liquid could compromise the integrity and operation of the pressure sprayer.

If using solvents, for example water, ethanol, acetic acid and acetone, we recommend the stainless steel pressure sprayer.

Leakage is due to the wear of the two O-Rings H457, H805 or H501, depending on the model (refer to the relevant spare parts). Unscrew the joint, check its integrity and replace it if necessary.

The leakage is due to worn pin seals. Consult the spare parts and, depending on the model, replace the damaged seals.

Yes, diesel can also be distributed with the aluminium oil guns.

RAASM pneumatic diaphragm pumps completely made of polypropylene are made to work in particularly aggressive work atmospheres, with a wide range of fluids, also corrosive, with high viscosity and solid parts in suspension.

RAASM pneumatic diaphragm pumps are designed and manufactured for pumping a wide range of fluids even with high viscosities and with suspended solids. In particular the diaphragm pump of this family can be used with corrosive fluids and aqueous solutions thanks to the manifolds made in polypropylene.

The damage is probably due to increased pressure on the output hose as a result of a heat increase 10 times greater than that permitted. Check the operating conditions of the system and replace the damaged collector if possible.

The minimum activation pressure for this type of diaphragm varies depending on the size of the pump: the 1/2” activates at approximately 3.5 bar, the 1.1/4” at 1.5 bar.

Yes, the springs, we well as the balls, seals and seats are included in the valve kit. These can also be purchased separately, check the relative spare parts for the reference code.

Check the following steps:
1) clean the air input and output filters of any impurities that may be deposited inside;
2) check the 4 valves by unscrewing the collectors and cleaning the springs and balls;
3) check the integrity (possible cuts and dirt) of the diaphragm by unscrewing the flanges.

Aluminium PTFE diaphragm pumps are recommended for this type of use.

All RAASM diaphragm pumps have ATEX certification. In particular, those in full aluminium are certified for zone 1 (Category 2 - high protection), while those in polypropylene are certified for zone 2 (Category 3 - normal protection).

Steel pumps are not currently available. For particularly demanding applications, or for very aggressive environments, diaphragm pumps in polypropylene are available, fully resistant even to the passage of water-based liquids and in corrosive environments.

Of course, there are several video tutorials on the YouTube channel on all the steps to be carried out.

The anti-stall air distribution valve is the heart of the diaphragm pump because, through its translation motion, it distributes the compressed air in a reciprocating way to the two diaphragms that move the fluid. An air distribution valve that is not anti-stall could position itself in a ”dead point” causing total blocking of the pump. Since RAASM pumps are equipped with an anti-stall distribution valve, they can never block. In fact, regardless of the position in which the pump stops, when the pump restarts the above-mentioned valve automatically goes to the correct operating position thanks to an air pressure compensation mechanism.

The problem of ice forming on the air distribution valves of diaphragm pumps exists regardless of the manufacturer. This depends on many factors, where the main ones include: atmospheric humidity, the type of workplace, inadequate maintenance of the compressed air system, operating temperatures, etc. The formation of ice on the valves causes irregular operation that can reduce pump performance. In RAASM diaphragm pumps, the overall air distribution system has been designed in order to prevent the formation of ice and allow the pump to work correctly in an operating condition.

They can transfer fluids with suspended solids (e.g. depleted oils, waste waters, fluids with suspended wood shavings, etc.). These pumps do not use rotating parting, pistons or gears, and can easily pump fluids with large quantities of solids in them, even of considerable size from ø 1.5 mm to 6.5 mm depending on the size of the pump. Thanks to the availability of various materials for the diaphragms and the parts in contact with the fluid, the diaphragm pumps are recommended for transferring a wide range of fluids, including aggressive, viscous and fragile products. They can also pump powders such as pigments for ink, gypsum, flour.

Among the several advantages described in the previous questions, these pumps are suitable for pumping products that are particularly sensitive to stress, (e.g. food products such as fruit, jams, preparations, etc.) since the pump’s action minimises the compression of the fluid to be pumped. Unlike other types of pumps, there are no problems even if they happen to be used empty, because a lack of fluid in them will not cause any damage or wear in the pump. They have a good head in suction and are self-priming when empty, naturally within the limits dictated by physics, up to 6 m. vertical. (pumps with a different type of mechanism - e.g. centrifugal pumps - do not have this important feature). They can pump two different fluids, delivering them mixed. The delivered mixture consists of approx. 50% of each fluid, depending on their viscosity. Technical assistance They are easy to disassemble, therefore it is easy to clean them or replace the components in contact with the fluid, depending on use or needs. Such operations are all-important, for example in case of use of fluids that are highly abrasive or that solidify easily.

They can work partially or completely immersed in a fluid, by previously checking the compatibility of the pump parts with the fluid in which they are immersed. Compressed air is more suitable, especially in places with a potentially explosive atmosphere, where also flammable fluids have to be pumped. (they meet ATEX requirements). They can remain always connected to the air supply. Pump starting and stopping occurs simply by opening and closing the delivery valve. The structure and internal composition of the diaphragm pumps minimises wear in the seal parts, therefore ensuring lasting efficiency.

There may be several reasons not attributable to the manufacturer. The most common is probably the use of a fluid not compliant with the material constituting the balls and the valve seats. But another valid reason is the increase in pressure due to an unexpected temperature excursion. In fact, if the system remains closed or interrupted for a long time in an area with important temperature changes (an attic in summer may be enough), the fluid pressure in the pipe will increase quickly and proportionally to the temperature itself, exceeding the safety limit of the valve and damaging it. For this reason, RAASM always recommends the installation of a purge valve in the system calibrated to the safety value provided in the instruction manual by the manufacturer.

The seal pack separating the pumping piston from the air piston is damaged or worn. Replace the seals and check the state of wear of the crankshaft.

Stainless steel pumps with Viton^® seals are recommended.

You should purchase kit KR3502 with reduction 38094 (G 3/4” (m) - G 1” (f), thread G 3/4” (f)). These are standard with certain pump models: check by referring to the spare parts. Add the desired extension by choosing among those on page 112 of our catalogue, as well as bottom pick-up filter valve 10/20.

The seals on the upper pick-up body are worn: check them and replace them, following the procedure to disassemble the lower motor body.

Slowing is due to:
1) blockage of the air input and output filter (silencer) 0254 and 0258. In this case, you must disassemble the filters, wash them with detergent and carefully blow them with compressed air;
2) condensation inside the motor cylinder, which causes freezing. To solve the problem, carry out a forced lubrication of the motor cylinder as described in the manual.

Part I012 of air distributor KR3306 is worn due to oxidation or the presence of condensation in the compressed air. We recommend replacing the KR3306 to restore correct item function.

We recommend that you carry out the following two procedures:
1) the filter and bottom pick-up valve could be blocked. Remove them and carefully clean them with compressed air;
2) the pumping piston seals are worn or compromised. In this case, you should remove the pick-up filter and suction piston and carefully wash them, replacing any damaged parts.

The A456 pressure inverter probably cannot move correctly due to the incorrect positioning of one of the KR3305 plates. Remove the air input cap and check that the two plates of KR3305 are connected to A456 (refer to our spares parts). If the plates are not in position, use needle nose pliers to reposition them correctly.

This may be due to the following scenarios:
1) deterioration of the motor body seals, in particular (where foreseen) the H038;
2) deterioration of the motor cylinder piston;
3) deterioration of the motor cylinder air distributor KR3306 (for 600 and 650 series pumps).
In these cases, it is important to disassemble the parts in question to clean them or, if damage is identified, replace them.

Slowing may be due to:
1) a blockage of the silencer filter. In this case, remove the filter, wash it, carefully blow it and then replace it. In cases of serious wear, replace the filter;
2) condensation of the motor cylinder. This problem can cause freezing of the cylinder and a subsequent slowing in operation. To resolve the issue, run the pump for a couple of minutes after pouring 50 g of Vaseline oil, or another very runny oil, into the air input hole.

The slowing or blockage of the motor cylinder may be due to the formation of condensation inside. To resolve the issue, it is useful run the pump for a couple of minutes after pouring 50 g of Vaseline oil, or another very runny oil, into the air input hole.

The gun is broken or some of its internal seals are damaged. Damage causes the continuous distribution of grease and the continual functioning of the pump. We recommend purchasing a new gun or simply replacing the seal kit.

There may be 4 causes:
1) there is an issue of grease cavitation. We recommend raising the pneumatic pump off the drum and pouring 200-300 cc of SAE40 oil into the pick-up zone to eliminate the air suction;
2) the problem could be caused by a blocked suction tube. In this case, remove and clean the base filter;
3) the suction tube valve is damagedXobstructed by suction residue. Check the functionality and replace any malfunctioning parts as necessary;
4) the pumping group joints are worn, obstructedXdamaged. In these cases, we recommend you remove the suction tube and pumping shaft, carefully check the various components and replace any that are worn.

Follow these two procedures:
1) the problem may be caused by the incorrect operation of the grease pressure diaphragm, which creates air bubbles in the grease (emulsion). We recommend raising the pneumatic pump off the drum and pouring 200-300 cc of SAE40 oil into the pick-up zone to eliminate the air suction;
2) the suctioned grease is too cold. Check that the hose and distribution gun are clean and fully functioning and check that the filters are clean;
3) the problem could be caused by a blocked pumping hose. In this case, remove and clean the base filter.

The A456 pressure inverter is probably incorrectly positioned. Remove the air input cap and check that it is in the correct place. Otherwise, use needle nose pliers to reposition them correctly. Finally check that the KR3305 double inverter group is intact and correctly positioned.

The problem could be caused by a blockage of solid residue in the valve group parts. Check and clean these.
Also check that the distribution hose is clean and not blocked, cleaning it and blowing its components.

This may be due to the following scenarios:
1) deterioration of the motor body seals;
2) deterioration of motor cylinder piston KC375;
3) deterioration of the motor cylinder air distributor KR9003.
In these cases, it is important to disassemble the parts in question to clean them or, if damage is identified, replace them.

Grease leaking from the silencer may be due to the deterioration of the seal pack on the lower seal group. Check its integrity and replace it if there is serious wear.

Stainless steel pumps with Viton^® seals are recommended.

Remove the quick hose holder where present and add the desired extension by choosing among those on page 112 of our catalogue, as well as bottom pick-up filter valve 10/20.

The seals on the upper pick-up body are worn: check them and replace them, following the procedure to disassemble the lower motor body.

Slowing is due to:
1) blockage of the air input and output filter (silencer) KR90058 and KR9003. In this case, you must disassemble the filters, wash them with detergent and carefully blow them with compressed air;
2) condensation inside the motor cylinder, which causes freezing. To solve the problem, carry out a forced lubrication of the motor cylinder as described in the manual.

The slowing or blockage of the motor cylinder may be due to the formation of condensation inside. To resolve the issue, it is useful run the pump for a couple of minutes after pouring 50 g of Vaseline oil, or another very runny oil, into the air input hole.

Part I123 of air distributor KR9003 is worn due to oxidation or the presence of condensation in the compressed air. We recommend replacing the KR9003 to restore correct item function.

The gun is broken or some of its internal seals are damaged. Damage causes the continuous distribution of grease and the continual functioning of the pump. We recommend purchasing a new gun or simply replacing the seal kit.

There may be 4 causes.
1) there is an issue of gre:se cavitation. We recommend raising the pneumatic pump off the drum and pouring 200-300 cc of SAE40 oil into the pick-up zone to eliminate the air suction;
2) the problem could be caused by a blocked pumping hose. In this case, remove and clean the base filter;
3) the pumping hose valve is damaged or obstructed by suction residue. Check the functionality and replace any malfunctioning parts as necessary;
4) the pumping group joints are worn, obstructed or damaged. In these cases, we recommend you remove the hose and pumping shaft, carefully check the various components and replace any that are worn.

We recommend that you carry out the following two procedures:
1) the filter and bottom pick-up valve could be blocked. Remove them and carefully clean them with compressed air;
2) the pumping piston seals are worn or compromised. In this case, you should remove the pick-up filter and suction piston and carefully wash them, replacing any damaged parts.

Follow these two procedures:
1) the problem may be caused by the incorrect operation of the grease pressure diaphragm, which creates air bubbles in the grease (emulsion). We recommend raising the pneumatic pump off the drum and pouring 200-300 cc of SAE40 oil into the pick-up zone to eliminate the air suction;
2) the suctioned grease is too cold. Check that the hose and distribution gun are clean and fully functioning and check that the filters are clean;
3) the problem could be caused by a blocked pumping hose. In this case, remove and clean the base filter.

The B168 pressure inverter is probably incorrectly positioned. Remove the air input cap and check that it is in the correct place. Otherwise, use needle nose pliers to reposition them correctly. Finally check that the KR9008 double inverter group is intact and correctly positioned.

The A456 pressure inverter probably cannot move correctly due to the incorrect positioning of one of the KR3305 plates. Remove the air input cap and check that the two plates of KR3305 are connected to A456 (refer to our spares spare parts). If the plates are not in position, use needle nose pliers to reposition them correctly.

The problem could be caused by a blockage of solid residues in the valve group parts. Check and clean these.
Also check that the distribution hose is clean and not blocked, cleaning it and blowing its components.

This may be due to the following scenarios:
1) deterioration of the motor body seals, in particular (where foreseen) the H038;
2) deterioration of the motor cylinder piston;
3) deterioration of the motor cylinder air distributor KR3306 (for 600 and 650 series pumps).
In these cases, it is important to disassemble the parts in question to clean them or, if damage is identified, replace them.

Leakage from the non-industrial pump may be caused by deterioration of the KR6203 seal pack. Check its integrity and replace it if there is serious wear.

The seal pack separating the pumping piston from the air piston is damaged or worn. Replace the seals and check the state of wear of the crankshaft.

Of course, there are several video tutorials on the YouTube channel on all the steps to be carried out.

The preparation operations are few, simple and clear and are illustrated step by step in our company channel YouTube.

The emulsion is due to the following problems:
1) there may be residual air in the brake liquid chamber or in connection tube KR1005; repeat the procedures to rest and bleed the air from the equipment as described in the manual;
2) the inner KR1006 diaphragm may be punctured. In this case, replace it to restore correct function.

This problem regarding the KG007 rapid connection can be resolved by carrying out two control and maintenance procedures:
1) remove the filter from rapid connection O001 and clean it carefully: any dirt can lead to distribution problems;
2) check that system pressure corresponds to that cited in the manual. Check the pressure gauges and S301 pressure regulator (where foreseen).

There are probably air leakages in the tank. Check the H199, H057 and H059 seals for wear; check that tap KG001 (where foreseen) functions correctly.

This type of brake bleeder cannot be used with LHM mineral oil because it damages the seals and diaphragm.

The preparation operations for the use of the RAASM brake and clutch bleeding are few, simple and clear and are illustrated in every single step in the Youtube company channel.

This malfunction is due to the presence of dirt in the tank or because the liquid itself has not been changed. Remove the liquid using tap S201 or drainage valve KR3205. Then refill the tank with fresh liquid. Lastly, clean the bath’s mesh filters KC159, KC172 and KC173.

There could be two reasons:
1) if there is no liquid in the tank; in this case, just insert the pre-selected cleaning liquid;
2) if there is an incorrect air dose or if tap S508 is incorrectly positioned. In these cases, we recommend you to check the air connection, pressure regulator and flow regulator on bath pump group KR7003.

Do not use corrosive liquids or those with a flash point of less than 55 °C with this item, as these could compromise the painted surface and structure of the bath itself, as well as release toxic, harmful or inflammable vapours into the air. RAASM has no agreements with cleaning liquid brands, but recommends the use of specific products such as degreasers and non-aggressive detergents, compatible with the painted steel of the bath and the other device components.

The liquids permitted for cleaning the bath should not be corrosive or inflammable, so that they do not damage the painting or operation of the item. We recommend the use of degreasing liquids and detergents available on the market. Diesel can also be used, while petrol is absolutely not recommended; diesel is second-best though, while degreasers are preferable.