M409 - Paint gun Maruyama - Free user manual and instructions
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| Product Type | Paint Gun |
| Brand | Maruyama |
| Model | M409 |
| Feed Type | Gravity Feed |
| Nozzle Size | 1.4 mm |
| Fluid Capacity | 600 ml |
| Working Pressure | 2.0 - 3.0 bar |
| Air Consumption | 4-6 cfm |
| Weight | 1.2 kg |
| Dimensions | 180 x 120 x 250 mm |
| Material | Aluminum body, brass air cap |
| Application | Automotive, furniture, DIY projects |
| Maintenance | Clean with thinner after each use |
| Safety Precautions | Use in well-ventilated area, wear respirator and goggles |
| Spare Parts Availability | Needle, nozzle, air cap set sold separately |
| Warranty | 1 year |
Frequently Asked Questions - M409 Maruyama
How do I clean the Maruyama M409 paint gun after use?
Disconnect the air supply and remove the paint cup. Fill the cup with a suitable thinner (e.g., acetone or mineral spirits) and spray through the gun until the thinner runs clear. Disassemble the nozzle, needle, and air cap, and clean them separately with a brush and thinner. Wipe the body with a clean cloth. Reassemble and store in a dry place.
What is the recommended air pressure for the M409?
The recommended working pressure is between 2.0 and 3.0 bar (29-44 psi). Adjust the pressure to achieve a fine, even spray pattern. Higher pressure may cause excessive overspray.
Can I use water-based paint with the M409?
Yes, the M409 is compatible with water-based paints, as well as solvent-based paints. Ensure the viscosity is suitable; you may need to thin water-based paints slightly according to the manufacturer's instructions.
What is the nozzle size of the Maruyama M409?
The standard nozzle size is 1.4 mm. This size is versatile for most paints, including primers, basecoats, and clearcoats.
How do I adjust the spray pattern on the M409?
Turn the pattern adjustment knob (located on the side of the gun) to change the fan width. Turn clockwise for a round pattern and counterclockwise for a flat, wide fan. The fluid adjustment screw controls the paint flow. Test on a piece of cardboard.
Why is my M409 paint gun spitting or splattering?
Spitting is usually caused by a dirty or damaged nozzle, low fluid level in the cup, or incorrect air pressure. Clean the nozzle and air cap thoroughly, ensure the cup is at least half full, and adjust the pressure to the recommended range. Also check that the needle is not bent.
What is the fluid capacity of the paint cup?
The gravity-feed cup holds 600 ml (about 20 oz) of paint. This is sufficient for small to medium projects.
How do I disassemble the M409 for a thorough cleaning?
Unscrew the fluid nozzle using the included wrench. Remove the air cap, then pull out the needle by unscrewing the needle chuck. Soak all metal parts in thinner, clean with a brush, and dry. Apply a light coat of oil to moving parts before reassembly.
Is the Maruyama M409 suitable for beginners?
Yes, it is a user-friendly gravity feed gun suitable for both beginners and professionals. However, practice on scrap material first to master the spray technique and adjustments.
Where can I purchase spare parts for the M409?
Spare parts such as needles, nozzles, and air cap sets are available from authorized Maruyama dealers or online retailers. Always use genuine parts for best performance.
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USER MANUAL M409 Maruyama
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Product information
Brand : Maruyama
Model : M409
Category : Paint gun