Sun Joe MJ401E-PRO
Sun Joe MJ401E-PRO 14-Inch 13-Amp Electric Lawn Mower Instruction Manual
Model: MJ401E-PRO | Brand: Sun Joe
1. Introduction
This manual provides essential information for the safe and efficient operation, assembly, and maintenance of your Sun Joe MJ401E-PRO Electric Lawn Mower. Please read all instructions carefully before use and retain this manual for future reference.
Caractéristiques principales :
- Puissant 13-Amp Moteur: Delivers efficient cutting performance for a 14-inch wide path.
- Hauteur de coupe réglable : Features a 3-position manual height control to tailor cutting height from 1.18 inches to 2.52 inches.
- Lame en acier durable : Equipped with a 14-inch steel blade for precise cutting.
- Grass Collection System: Includes a 10.6-gallon hard top rear collection bag for convenient grass disposal.
- Side Discharge Chute: Comes with a side-discharge chute (MJ401E-DCA) for cutting taller grass without clogging.
- Poignée pliable : Designed for compact storage.
2. Produit terminéview
Familiarize yourself with the components of your Sun Joe MJ401E-PRO Electric Lawn Mower.

Figure 2.1 : Dans l'ensemble view of the Sun Joe MJ401E-PRO Electric Lawn Mower.
Composants inclus :
- Electric lawn mower unit
- Sac à herbe
- Tige de support de sac à herbe
- Goulotte d'éjection latérale
- Poignée supérieure
- Ensemble bouton et boulon de la poignée supérieure (2)
- Poignée inférieure
- Vis de poignée inférieure (2)
- Crochet de retenue de la rallonge
- Clip de câble (2)
- Clé à molette
- Manuel et carte d'immatriculation
3. Configuration et assemblage
Follow these steps to assemble your electric lawn mower. For a visual guide, refer to the assembly video below.
Video 3.1: Quick assembly guide for the Sun Joe MJ401E-PRO Electric Lawn Mower.
Étapes d'assemblage :
- Fixer la poignée inférieure : Align the holes on the lower handle with the corresponding holes on the machine body. Secure the handle on both sides using the provided screws.
- Install Extension Cord Restraint: Slide the extension cord restraint holder onto the upper handle.
- Connect Upper Handle: Align the holes on the upper handle with the lower handle assembly. Fit a washer to the outside of the handle, insert the bolt through the holes, and attach the knob. Twist until tight. Repeat for the other side.
- Assembler le sac à herbe : Fit the grass bag support rod into the plastic cover of the grass bag.
- Attacher le sac à herbe : Lift the ejector flap at the rear of the mower and attach the assembled grass bag by fastening it onto the coupling hooks.
- Attach Side Discharge Chute (Optional): To attach the side discharge chute, slide the chute tabs onto the coupling hooks located on the side of the mower.
- Câbles sécurisés : Use the provided cable clips (x2) to secure the power cable along the handle for safe operation.
4. Mode d'emploi
Proper operation ensures effective lawn care and user safety.

Figure 4.1: Operating the lawn mower on a lawn.
Démarrage de la tondeuse :
- Ensure the mower is on a level surface and clear of debris.
- Connect the extension cord to the mower's power inlet and secure it with the restraint hook.
- Press and hold the safety switch button, then pull the instant start lever towards the handle. The motor will start.
- Release the safety switch button, but continue to hold the instant start lever to keep the mower running.
Réglage de la hauteur de coupe :
The mower features a 3-position manual height adjustment. To change the cutting height:
- Éteignez la tondeuse et débranchez-la de la source d'alimentation.
- Carefully tilt the mower on its side.
- Adjust all four wheels to the desired height setting (1.18, 1.85, or 2.52 inches) by repositioning them in the appropriate slots.
Grass Collection and Discharge:
The mower can be used with the grass collection bag or the side discharge chute.

Figure 4.2: Detaching the grass collection bag.
- For collecting clippings, ensure the grass bag is securely attached. Empty the bag when it is full to maintain optimal performance.
- For side discharge, remove the grass bag and attach the side discharge chute. This is ideal for taller grass where collecting clippings is not desired.
5. Entretien
Regular maintenance ensures the longevity and safe operation of your lawn mower.

Figure 5.1: Underside of the mower with the blade.
Nettoyage général :
- Always disconnect the power cord before cleaning or performing any maintenance.
- Nettoyez l'extérieur de la tondeuse avec un produit nettoyant pour tondeuse.amp En tissu. Ne pas utiliser de détergents ou de solvants agressifs.
- Remove grass clippings from the underside of the mower deck and around the blade after each use to prevent buildup and ensure efficient cutting.
Entretien de la lame :
- Inspect the blade regularly for sharpness and damage. A dull or damaged blade can affect cutting performance and may require sharpening or replacement.
- When handling the blade, always wear heavy-duty gloves to prevent injury.
6. Dépannage
Consultez cette section pour trouver des solutions aux problèmes courants que vous pourriez rencontrer.
| Problème | Cause possible | Solution |
|---|---|---|
| La tondeuse ne démarre pas | No power supply; Safety switch not engaged; Loose connections. | Check power outlet and extension cord; Ensure safety switch and lever are correctly engaged; Verify all connections are secure. |
| Mauvaises performances de coupe | Dull or damaged blade; Cutting height too low for grass type; Grass clippings clogging the deck. | Sharpen or replace blade; Adjust cutting height; Clean underside of mower deck. |
| Vibrations excessives | Lame tordue ou déséquilibrée ; composants desserrés. | Inspectez la lame pour détecter tout dommage et remplacez-la si nécessaire ; vérifiez le serrage de toutes les fixations. |
7. Spécifications
Detailed technical specifications for the Sun Joe MJ401E-PRO Electric Lawn Mower.
| Fonctionnalité | Spécification |
|---|---|
| Marque | Soleil Joe |
| Numéro de modèle | MJ401E-PRO |
| Source d'énergie | Électrique avec fil |
| Moteur | 13-Amp |
| Largeur de coupe | 14 pouces |
| Positions de hauteur de coupe | 3 (1.18" à 2.52") |
| Capacité du sac à herbe | 10.6 gallons |
| Matériau de la lame | Acier inoxydable |
| Poids de l'article | 30 livres |
| Dimensions du produit | 48.4"P x 40.6"L x 40.6"H |
| Vitesse à vide | 3500 tr/min |
| Code UPC | 787392915494 810829024442 |
8. Garantie et assistance
Your Sun Joe MJ401E-PRO Electric Lawn Mower comes with a 2-year manufacturer's warranty.
For technical support, warranty claims, or to purchase replacement parts, please visit the official Sun Joe website or contact their customer service department. Refer to the product packaging or the Sun Joe website pour les informations de contact les plus récentes.
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