FEIERDUN FBM-DUM-Y-40LB

FEIERDUN 4-in-1 Adjustable Dumbbells Instruction Manual

Model: FBM-DUM-Y-40LB

1. Producte acabatview

The FEIERDUN 4-in-1 Adjustable Dumbbell set is a versatile fitness equipment designed for home use. It allows seamless transition between a dumbbell, barbell, kettlebell, and push-up stand, providing a comprehensive workout solution in a compact design. This set is ideal for various fitness exercises, muscle development, weight loss, and maintaining overall fitness for both men and women.

The adjustable weight range for dumbbells is approximately 2.3 kg to 9 kg (5 lbs to 20 lbs) per dumbbell, for kettlebells approximately 1.6 kg to 8.8 kg (3.5 lbs to 19.5 lbs), and for barbells approximately 3.2 kg to 18.1 kg (7 lbs to 40 lbs).

Image showing the 5-in-1 functionality of the adjustable dumbbell set, including dumbbell, kettlebell, weight plate, barbell, and push-up stand modes.

Figura 1: Mésview de la funcionalitat 5 en 1.

2. Informació de seguretat

  • Consulteu sempre amb un professional de la salut abans de començar qualsevol nou programa d'exercici.
  • Inspect all components for damage before each use. Do not use if any part is damaged or worn.
  • Ensure all weight plates are securely fastened with the safety nuts before lifting.
  • Utilitzeu tècniques d'aixecament adequades per evitar lesions.
  • Mantingueu els nens i les mascotes lluny de l'equip durant l'ús.
  • Do not drop the weights from a height, as this may damage the equipment or flooring.
  • Store the equipment in a dry, safe place when not in use.

3. Contingut del paquet

Verifiqueu que tots els components que s'enumeren a continuació siguin presents al vostre paquet.

Image showing the accessory list for the 48LBS set, including two dumbbell bars, six fixed nuts, two kettlebell handles, one barbell connecting rod, one kettlebell base rod, and various weight plates (2.75Lbs x4, 3.5Lbs x4, 5.5Lbs x4).

Figure 2: Accessory List (48LBS / 21.7 kg equivalent set).

  • Dumbbell Bar x 2
  • Fixed Nut x 6
  • Kettlebell Handle x 2
  • Barbell Connecting Rod x 1
  • Kettlebell Base Rod x 1
  • Plaques de pes:
    • 2.75 lbs (1.25 kg) x 4
    • 3.5 lbs (1.6 kg) x 4
    • 5.5 lbs (2.5 kg) x 4

4. Muntatge i muntatge

4.1. Assembling Dumbbells

  1. Select the desired weight plates.
  2. Slide the weight plates onto the dumbbell bar.
  3. Secure the weight plates on both ends of the dumbbell bar using the fixed nuts. Turn the nuts clockwise until they are tight and the plates are stable.
Image showing adjustable dumbbells with weight plates and fixed nuts, illustrating how to change weights from 6.5 lbs to 24 lbs per single dumbbell.

Figure 3: Dumbbell weight adjustment.

4.2. Assembling a Barbell

  1. Assemble two dumbbells as described in Section 4.1.
  2. Connect the two assembled dumbbells using the barbell connecting rod. Ensure the rod is securely screwed into both dumbbell bars.
  3. Verify that all connections are tight and stable before use.

4.3. Assembling a Kettlebell

  1. Attach the kettlebell base rod to the desired weight plates.
  2. Secure the weight plates with a fixed nut.
  3. Attach a kettlebell handle to the top of the kettlebell base rod. Ensure it is firmly screwed in.

4.4. Using as Push-up Stands

The kettlebell handles can be used as push-up stands. Ensure they are placed on a stable, non-slip surface before performing exercises.

5. Instruccions de funcionament

This section provides general guidance for using your FEIERDUN 4-in-1 Adjustable Dumbbell set. Always prioritize proper form and controlled movements during your workouts.

5.1. Ajust de pes

  • To increase weight: Unscrew the fixed nuts, add more weight plates, and then re-tighten the nuts securely.
  • To decrease weight: Unscrew the fixed nuts, remove weight plates, and then re-tighten the nuts securely.
  • Always ensure an even distribution of weight plates on both sides of the bar for balance.

5.2. Ergonomic Grip and Anti-Roll Design

The dumbbell bars feature an anti-slip ABS material for a secure and comfortable grip. The 12-sided anti-roll design of the weight plates prevents them from rolling away when placed on the floor, enhancing safety and convenience.

Image showing a person using a dumbbell with an ergonomic grip, highlighting the 5-inch circumference handle designed for comfort and control.

Figure 4: Ergonomic grip design.

Image illustrating the 12-sided anti-roll design of the weight plates, made with quality rubber and drop-tested, with a 1-inch hole size.

Figure 5: 12-sided anti-roll design.

5.3. Barbell Shoulder Pad

When using the barbell configuration, the long barbell connecting rod is equipped with a 30mm thick premium foam pad over a 5mm thick steel tube. This multi-angle shoulder fit design is breathable and non-flip, providing comfort and stability during exercises like squats, reducing neck strain.

Image showing the multi-angle shoulder fit design of the barbell connecting rod, featuring breathable and non-flip 30mm triangular foam over a 5mm steel pipe for comfort during exercises.

Figure 6: Barbell shoulder pad for multi-angle shoulder fit.

6. Manteniment

  • Neteja: Netegeu l'equipament amb anuncisamp cloth after each use to remove sweat and dirt. Avoid using harsh chemicals or abrasive cleaners.
  • Emmagatzematge: Store the adjustable dumbbell set in a cool, dry place away from direct sunlight and extreme temperatures.
  • Inspecció: Periodically check all components, especially the fixed nuts and connecting rods, for any signs of wear, damage, or loosening. Tighten any loose parts immediately.
  • Prevenció de l'òxid: The weight plates are designed to be rust-resistant. However, ensure they are kept dry to prolong their lifespan.

7. Solució De Problemes

ProblemaCausa possibleSolució
Weight plates are loose or wobble.Fixed nuts are not tightened sufficiently.Ensure all fixed nuts are securely tightened clockwise until the plates are stable.
Barbell connection feels unstable.Barbell connecting rod not fully screwed in.Verify that the barbell connecting rod is firmly screwed into both dumbbell bars.
Kettlebell handle feels loose.Kettlebell handle or base rod not fully tightened.Ensure the kettlebell handle is firmly screwed into the base rod and the base rod is secured to the plates.
Equipment makes unusual noises during use.Loose components or improper assembly.Stop use immediately. Re-inspect all connections and ensure proper assembly. Tighten any loose parts.

8. Especificacions

CaracterísticaDetall
Número de modelFBM-DUM-Y-40LB
MarcaFEIERDUN
Total Weight (approx.)18.1 kg (40 lliures)
MaterialPlastic (Acrylonitrile Butadiene Styrene), Iron, Mud, Sand, Steel
Característica especialAdjustable Weight, 4-in-1 Functionality (Dumbbell, Barbell, Kettlebell, Push-up Stand)
Dumbbell Handle DiameterApprox. 4 inches (10.16 cm) circumference
Barbell Connecting Rod Thickness5 mm steel tube with 30 mm foam
Dimensions del producte (L x A x A)49 x 32 x 32 cm (19.3 x 12.6 x 12.6 polzades)
Nombre de peces2 (main units, plus accessories)

9. Garantia i Suport

FEIERDUN is committed to providing excellent customer service. If you encounter any issues with your product or if it does not meet your expectations, please do not hesitate to contact us. We aim to respond to all inquiries within 12 hours.

For support, please refer to the contact information provided with your purchase or visit the official FEIERDUN weblloc.

© 2026 FEIERDUN. All rights reserved.

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