1. Uvod
This manual provides detailed instructions for the installation, operation, and maintenance of your Montech AIR 903 MAX E-ATX Mid Tower Case. Please read this manual thoroughly before beginning assembly to ensure proper setup and safe usage. Retain this manual for future reference.

Figure 1.1: Montech AIR 903 MAX Mid Tower Case (Black)
2. Varnostne informacije
- Pred nameščanjem ali odstranjevanjem kakršnih koli komponent vedno izključite napajalnik iz stenske vtičnice.
- Handle components with care to avoid damage from electrostatic discharge (ESD). Consider using an anti-static wrist strap.
- Majhne dele in vijake hranite izven dosega otrok.
- Izogibajte se postavljanju ohišja na neposredno sončno svetlobo ali v bližino virov toplote.
- Zagotovite ustrezno prezračevanje okoli ohišja, da preprečite pregrevanje.
- Ne poskušajte spreminjati ohišja ali njegovih komponent, saj lahko s tem razveljavite garancijo in predstavljate varnostna tveganja.
3. Vsebina paketa
Preverite, ali so v paketu prisotni vsi elementi:
- Montech AIR 903 MAX E-ATX Mid Tower Case
- 3 x 140mm ARGB PWM Fans (pre-installed in front)
- 1 x 140mm PWM Fan (pre-installed in rear)
- Škatla s pripomočki (vsebuje vijake, zadrge in druge majhne dele)
- Uporabniški priročnik (ta dokument)
4. Izdelek je končanview
The Montech AIR 903 MAX is an E-ATX mid-tower case designed for high airflow and extensive component compatibility. It features a mesh front panel for optimal ventilation and a tempered glass side panel to showcase your build.
Ključne značilnosti:
- Zasnova z visokim pretokom zraka: Metal front panel with 51% ventilation rate for superior thermal performance.
- Filtracija prahu: Meticulously designed mesh front panel acts as a dust filter and is easily removable for cleaning.
- Vnaprej nameščeni ventilatorji: Includes three 140mm ARGB PWM fans and one 140mm PWM fan for effective cooling and customizable lighting.
- Obsežna podpora za hlajenje: Supports up to 360mm AIO liquid coolers at both the front and top.
- Component Clearance: Accommodates CPU tower coolers up to 180mm in height and graphics cards up to 400mm in length and 190mm in width.
- Sodobna povezljivost: Features a front panel Type-C port.

Slika 4.1: Spredaj View with Mesh Panel and ARGB Fans

Figure 4.2: Tempered Glass Side Panel View
5. Nastavitev in namestitev
Before starting, ensure you have a clean, well-lit workspace and the necessary tools (e.g., screwdrivers, zip ties).
5.1 Odstranjevanje stranskih plošč
- Locate the captive thumb screws on the rear of the case for both the tempered glass side panel and the solid steel side panel.
- Odvijte krilate vijake.
- Carefully slide the panels backward and lift them off. Place the tempered glass panel on a soft, flat surface to prevent scratches or damage.
5.2 Namestitev matične plošče
The AIR 903 MAX supports E-ATX, ATX, Micro ATX, and Mini ITX motherboards.
- Namestite V/I zaščito v zadnjo odprtino ohišja.
- Align your motherboard with the pre-installed standoffs. Ensure the standoffs match your motherboard's form factor.
- Secure the motherboard with the appropriate screws provided in the accessory box.

Figure 5.1: Motherboard Compatibility Diagram
5.3 Namestitev grafične kartice (GPU)
The case supports graphics cards up to 400mm in length and 190mm in width.
- Remove the necessary expansion slot covers from the rear of the case. These are secured with thumb screws.
- Vstavite grafično kartico v ustrezno režo PCIe na matični plošči.
- Secure the graphics card to the case using the thumb screws.
- Connect any required PCIe power cables from your power supply to the graphics card.
5.4 Namestitev pogona za shranjevanje (HDD/SSD)
The case includes an HDD cage in the power supply shroud area, which can be removed using thumb screws for easier access or more space.
- Locate the drive bays or mounting points for 2.5" SSDs and 3.5" HDDs.
- Pogone namestite s priloženimi vijaki.
- Connect SATA data and power cables to your drives.
5.5 Namestitev napajalne enote (PSU).
The PSU mounts at the rear bottom of the case.
- Napajalnik potisnite v za to namenjeni predal na zadnji strani ohišja.
- Align the PSU with the screw holes and secure it with the provided screws.
- Connect the main ATX power cable, CPU power cable, and any other necessary power cables to your motherboard and components.
5.6 Namestitev ventilatorja in hladilnega sistema
The case supports 360mm AIO coolers at the front and top, and CPU tower coolers up to 180mm in height.
- AIO Liquid Coolers: Mount radiators and fans to the front or top fan mounts as per your AIO cooler's instructions.
- Dodatni ventilatorji: If installing additional fans, ensure correct airflow direction (intake/exhaust).
- CPU Air Coolers: Install your CPU air cooler onto the motherboard before or after motherboard installation, depending on the cooler design.

Figure 5.2: Component Clearance Diagram
5.7 Upravljanje kablov
Utilize the cable routing cutouts and velcro straps behind the motherboard tray to organize cables. This improves airflow and aesthetics.
- Route cables through the designated grommets and tie-down points.
- Use the included zip ties and pre-installed velcro straps to secure cables neatly.
- Ensure the SATA cable for the fan hub is connected to your PSU.
6. Delovanje
6.1 Vklop
After all components are installed and cables are connected, replace the side panels. Connect your monitor, keyboard, mouse, and power cable to the PSU. Flip the PSU switch to the ON position and press the power button on the top I/O panel of the case.
6.2 Nadzor ventilatorja ARGB
The pre-installed ARGB fans can be controlled via the integrated LED/PWM controller or synchronized with your motherboard's ARGB software (if supported). Refer to your motherboard manual for ARGB header connection and software instructions.
- If using the case's controller, cycle through lighting effects using the dedicated button on the top I/O panel.
- If connecting to a motherboard, ensure the ARGB cable from the fan hub is connected to a compatible 3-pin 5V ARGB header on your motherboard.
7. Vzdrževanje
7.1 Čiščenje filtrov za prah
The mesh front panel and magnetic top dust filter are designed to prevent dust accumulation. Regular cleaning is recommended to maintain optimal airflow.
- Front Mesh Panel: The front panel can be easily dismantled. Gently pull the bottom of the front panel to detach it from the case. Clean the mesh with a soft brush or compressed air.
- Top Magnetic Filter: Simply lift the magnetic filter from the top of the case and clean it with water or compressed air. Ensure it is completely dry before reattaching.
- Bottom PSU Filter: Slide out the filter located under the power supply shroud and clean it.

Figure 7.1: Removable Front Mesh Panel for Cleaning
7.2 Generalno čiščenje
- Uporabite mehko, damp cloth to wipe down exterior surfaces. Avoid abrasive cleaners.
- For interior cleaning, use compressed air to remove dust from components and internal surfaces.
8. Odpravljanje težav
8.1 Sistem se ne vklopi
- Prepričajte se, da je napajalni kabel varno priključen tako na napajalnik kot na stensko vtičnico.
- Verify the PSU switch is in the ON position.
- Check all internal power connections (24-pin ATX, 8-pin CPU, PCIe power, SATA power for fan hub).
- Confirm the front panel power button cable is correctly connected to the motherboard's front panel header.
8.2 Fans Not Spinning or RGB Not Working
- Ensure the fan hub's SATA power cable is connected to your PSU.
- If using motherboard ARGB control, verify the 3-pin 5V ARGB cable from the fan hub is connected to the correct header on your motherboard.
- If using the case's controller, press the RGB button on the top I/O panel to cycle through modes.
- Check fan connections to the fan hub.
8.3 Prekomeren hrup ventilatorja
- Ensure all fan screws are tightened to prevent vibrations.
- Clean dust from fans and filters (refer to Section 7.1).
- If fans are connected to the motherboard, adjust fan curves in your motherboard's BIOS/UEFI or software to reduce fan speed at lower temperatures.
9. Specifikacije
| Funkcija | Specifikacija |
|---|---|
| Znamka | Montech |
| Ime modela | AIR 903 MAX BLACK |
| Vrsta ohišja | Srednji stolp |
| Združljivost matične plošče | Extended ATX, Mini ITX, Micro ATX, ATX |
| Material | Kaljeno steklo, kovina |
| barva | Črna |
| Dimenzije izdelka (DxŠxV) | 18.82 x 9.05 x 19.41 palcev (47.8 x 22.99 x 49.3 cm) |
| Teža predmeta | 20.3 funtov (9.21 kg) |
| Vnaprej nameščeni ventilatorji | 3x 140mm ARGB PWM (Front), 1x 140mm PWM (Rear) |
| GPU dovoljenje | Up to 400mm (Length), 190mm (Width) |
| Višina hladilnika procesorja | Do 180 mm |
| Podpora za radiator AIO | Up to 360mm (Front & Top) |
| Sprednja V / I vrata | 2x USB 3.0, 2x USB 2.0, 1x USB Type-C, Audio In/Out |
10. Garancija in podpora
For warranty information and technical support, please refer to the official Montech webspletno mesto ali se obrnite neposredno na njihovo službo za stranke. Shranite dokazilo o nakupu za uveljavljanje garancije.
Official Montech Webspletno mesto: www.montechpc.com





