Part failure, Properly after service | Bosch Power Tools 3918

Troubleshooting Guide

	General
PROBLEM	HEAD ASSEMBLY WILL NOT FULL RISE OR
	BLADE GUARD WILL NOT FULLY CLOSE.
CAUSE	1. Part failure.
	2. Pivot spring or guard spring not replaced
	properly after service.
	3. Sawdust accumulation.
SOLUTION	1. Authorized service.
	2. Authorized service.
	3. Clean head assembly.
PROBLEM	BLADE BINDS, JAMS, BURNS WOOD.
	ROUGH CUTS.
CAUSE	1. Improper operation.
	2. Dull blade.
	3. Improper blade.
	4. Bent blade.
SOLUTION	1. See Basic Saw Operation section.
	2. Replace or sharpen blade.
	3. Replace with 10" diameter blade designed for
	the material being cut.
	4. Replace blade.
PROBLEM	TOOL VIBRATES OR SHAKES.
CAUSE	1. Saw blade not round.
	2. Saw blade damaged.
	3. Saw blade loose.
	4. Other.
SOLUTION	1. Replace blade.
	2. Replace blade.
	3. Tighten arbor screw.
	4. Authorized service.
PROBLEM	HEAD ASSEMBLY DOES NOT MOVE FROM
	33.9° POSITION.
CAUSE	1. Bevel detent lock pin engaged.
SOLUTION	1. Pull lock pin out and rotate 90°.

Duide de Dépannage

	Généralités
PROBLÈME	LA TETE VACILLE.
CAUSE	1. Pointes de pivot lâches.

ACTION CORRECTRICE

	1.	Voir Réglage des pivots de biseau dans la section
		Réglages.
PROBLÈME	LA TETE NE LEVE PAS COMPLETEMENT OU LE
	PROTECTEUR DE LAME NE SE FERME PAS
	COMPLETEMENT.
CAUSE	1.	Défaillance de pièces.
	2.	Le ressort de pivot ou le ressort de protecteur n’a
		pas été remis en place adéquatement après
		l’entretien.
	3.	Accumulation de bran de scie.

ACTION CORRECTRICE

	1.	Service agréé.
	2.	Service agréé.
	3.	Nettoyez la tête.
PROBLÈME	LA LAME GRIPPE, SE COINCE, BRULE DU BOIS.
	COUPES GROSSIERES.
CAUSE	1.	Opération inappropriée.

2.Lame émoussée.

3.Lame inappropriée.

4.Lame pliée.

ACTION CORRECTRICE

1.Voir section Opérations de base de la scie.

2.Remplacez ou affûtez la lame.

3.Remplacez par une lame de 10 po de diamètre conçue pour le matériau à couper.

4.Remplacez la lame.

PROBLÈME	L’OUTIL VIBRE OU TREMBLE.
CAUSE	1.	La lame de scie n’est pas ronde.
	2.	La lame de scie est abîmée.
	3.	La lame de scie est desserrée.
	4.	Autre

ACTION CORRECTRICE

	1.	Remplacez la lame.
	2.	Remplacez la lame.
	3.	Serrez la vis de l’arbre.
	4.	Service agréé.
PROBLÈME	LA TETE NE SORT PAS DE SA POSITION À 33,9°.
CAUSE	1. La cheville de blocage du cran d’arrêt de biseau est
		engagée.

ACTION CORRECTRICE

1.Tirez la cheville de blocage vers l’extérieur et tournez de 90°.

3924-24, 3918 specifications

Bosch Power Tools has long been a leader in innovation and quality within the power tool industry, and its models 3918 and 3924-24 are prime examples of their commitment to performance and reliability. These tools are designed for both professionals and DIY enthusiasts, providing efficient solutions for a variety of tasks.

The Bosch 3918 is primarily a reciprocating saw that features a robust 6.5-amp motor, delivering impressive power for cutting through wood, metal, and other materials. One of its standout features is the tool-less blade change system, which allows users to switch blades quickly and easily without needing additional tools. This is not only time-saving but also enhances the user experience by minimizing downtime between cuts.

The saw also boasts a variable speed dial that can reach up to 2,700 strokes per minute, giving users optimal control over their cutting tasks. The pivoting shoe provides increased stability and allows for precise cuts in various applications. Additionally, the saw includes an electronic motor protection system, which helps prevent overheating and extends the lifespan of the tool.

On the other hand, the Bosch 3924-24 is a powerful angle grinder. With a 6.0-amp motor, it delivers high performance while being compact and lightweight. The grinder comes with a soft grip handle, making it comfortable for extended use. Its one-touch guard allows users to adjust the guard without any tools, thus enhancing convenience during operations.

This model is equipped with a direct-drive motor that increases torque and ensures that it works efficiently under load. The 3924-24's efficient dust management system minimizes dust and debris, providing a cleaner workspace and improving visibility during operations. Additionally, the grinder features a two-position side handle for added control and stability, making it suitable for a variety of grinding, cutting, and polishing applications.

Both Bosch Power Tools models, 3918 and 3924-24, exemplify the brand's commitment to quality, safety, and user ergonomics. Their advanced features, robust construction, and innovative technologies make them indispensable tools for any serious craftsman or home improvement enthusiast. Bosch continues to enhance its tools with practical features that reflect the needs of its users, ensuring that professionals get the results they demand while maintaining ease of use.

Troubleshooting Guide

General

CAUSE

1. Part failure.

2. Pivot spring or guard spring not replaced

properly after service.

3. Sawdust accumulation.

SOLUTION

3. Clean head assembly.

PROBLEM

BLADE BINDS, JAMS, BURNS WOOD.

ROUGH CUTS.

CAUSE

1. Improper operation.

2. Dull blade.

3. Improper blade.

4. Bent blade.

SOLUTION

1. See Basic Saw Operation section.

2. Replace or sharpen blade.

the material being cut.

4. Replace blade.

PROBLEM

TOOL VIBRATES OR SHAKES.

CAUSE

1. Saw blade not round.

2. Saw blade damaged.

3. Saw blade loose.

SOLUTION

3. Tighten arbor screw.

CAUSE

1. Bevel detent lock pin engaged.

SOLUTION

1. Pull lock pin out and rotate 90°.

Duide de Dépannage

Généralités

PROBLÈME

LA TETE VACILLE.

CAUSE

ACTION CORRECTRICE

Réglages.

COMPLETEMENT.

CAUSE

Défaillance de pièces.

l’entretien.

Accumulation de bran de scie.

ACTION CORRECTRICE

Nettoyez la tête.

COUPES GROSSIERES.

CAUSE

Opération inappropriée.

2.Lame émoussée.

3.Lame inappropriée.

4.Lame pliée.

ACTION CORRECTRICE

CAUSE

ACTION CORRECTRICE

Serrez la vis de l’arbre.

CAUSE

engagée.

ACTION CORRECTRICE

1.Tirez la cheville de blocage vers l’extérieur et tournez de 90°.

3924-24, 3918 specifications