DeWalt 31-260X instruction manual Timing Belt Tension, Checking the Table Support Plate

Page 17

STEP 1 - TIMING BELT TENSION

1.If the timing belt is too tight, the table will be difficult to move. A loose timing belt may cause the belt to jump a tooth on the timing gear. Deflection in the middle of the long span should be 2-3 lbs.

2.To adjust the tension, locate one of the timing belt idler rollers under the right-hand end of the unit between the timing gears. Use a 1/2" wrench to loosen the bolt (the nut for this bolt can be seen on the topside of the base).

Do not rotate elevation handwheel while the belt tension is relaxed.

3.With the 1/2" wrench still on the idler bolt under the unit, push the slack of the belt toward the column end of the unit, and tighten the bolt.

Be careful not to over-tighten the nut. This could crush the spacer inside. Approximately 50 inch/ lbs. of torque will be sufficient. To be certain that the spacer is not damaged, grasp the idler roller. If it can move approximately 1/8" vertically, the spacer is all right.

4. With the proper belt tension, adjust the table.

STEP 2 - CHECKING THE TABLE SUPPORT PLATE

1.To see if the table support plate is mounted on a flat plane and parallel to the drum, use a 3/16" hex wrench (A) Fig. 38 and a 1/2" open-end wrench (B) to loosen the four hex bolts that attach the support plate to the elevating bolts. Place a block of wood (C) Fig. 39 approximately 3/4" wide x 2" to 3" tall under the table support plate on the unit base, next to one of the elevation bolts. Turn the elevating bolt up or down until the support plate clears the block. REPEAT the clearance check at each of of the other three elevation bolts. They should be within 1/64" of each other (O) Fig. 410.

2.While holding the 1/2" hex on the bolt to prevent it from turning, retighten the four hex bolts.

3.With the 1/2" wrench and a 3/16" hex wrench, loosen the front right socket head bolt (B) Fig. 38 four full turns (S) Fig. 40. Turn the elevating bolt clockwise until it no longer touches the plate (P) Fig. 40. Then turn the same bolt counter-clockwise until it touches the support plate without raising it (O) Fig. 41. Hold the elevating bolt (L) Fig. 41 with the 1/2" wrench to keep it from turning. Tighten the socket head bolt (B) with the 3/16" hex wrench.

4.With the support plate level, move the table up and down. If the movement is still tight, repeat this procedure.

A

B

Fig. 37

B

P

L

Fig. 39

 

S

 

B

C

 

Fig. 38

 

 

 

 

 

B

 

 

 

 

 

 

 

P

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L

Fig. 40

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Contents 31-260X Safety Guidelines Definitions Table of ContentsImportant Safety Instructions Stay ALERT, Watch What YOU are DOING, and USE General Safety RulesPower Connections Additional Specific Safety RulesMotor Specifications Grounding InstructionsAll grounded, cord-connected machines Minimum Gauge Extension CordFunctional Description Carton ContentsAssembly Time Estimate AssemblyAssembly Tools Required HOW to Attach and Level the Feed Table HOW to Attach the HandwheelOperating Controls and Adjustments HOW to Check and Adjust the Feed Belt Tracking and Tension HOW to Raise the TableTo Check and Adjust Tracking To Check and Adjust TensionDrum Motor Overload Protection HOW to Check and Adjust the Table Parallel to the DrumHOW to SET the Height Scale HOW to Remove and Replace the Drum Sanding Belt HOW to Change the Drum Speeds and Replace the Drive BeltFeed Belt Motor Overload Protection HOW to Remove and Replace the Feed BeltFrequently Asked Questions What Causes Burn MARKS? Dust Collection RecommendationWhat are the Maximum and Minimum Sanding Stock SIZES? HOW do I Sand Multiple BOARDS?Table Movement Troubleshooting Guide HOW to Increase Sanding Belt LifeHOW do I Sand Boards Wider than 18? HOW do I GET STARTED?Checking the Table Support Plate Timing Belt TensionAligning Elevating Bolt Bushings Troubleshooting MaintenanceChecking the Lock NUT Adjustment Keep Machine Clean ServiceReplacement Parts Lubrication & Rust ProtectionWarranty AccessoriesFree Warning Label Replacement Service and RepairsLA Proposition DE Californie LES Instructions Importantes DE SureteMesures DE Sécurité Définitions Lutilisation DE CET Outil Peut Règles DE Sécurité GénéralesRaccordements Électriques Règles Spécifiques Additionnelles DE SûretéSpécifications DU Moteur Instructions DE Mise À LA TerreMesur Minimum DE Corde D’EXTENSION Cordon DE RallongeContenus DE Boite Description FonctionnelleAVANT-PROPOS Désemballage ET NettoyageOutils Nécessaires Pour L’ASSEMBLEE AssemblageLestimation DE Temps Dassemblee Assemblage DU SocleTAG Fixation DU VolantFixation ET Mise DE Niveau DE LA Table D’ALIMENTATION Loperation Controle DE LE ET LES Ajustements FonctionnementFixation DE L’INDICATEUR D’ALIMENTATION « SA » Comment Commencer ET Arreter LA MachineVérification ET Réglage DE LA Tension Élévation DE LA TableVérification ET Réglage DE L’ALIGNEMENT Réglage DE L’ÉCHELLE DE Hauteur Protection Contre LES Surcharges DU Moteur DU TambourRetrait ET Remplacement DE LA Bande Abrasive DU Tambour Retrait ET Remplacement DE LA Courroie D’ALIMENTATION Quels Facteurs Influent SUR LES Opérations DE PONÇAGE? Demande Frequemment AUX QuestionsQU’EST-CE QUI Cause LES Marques DE BRÛLURE? Quelles Sont LES Recommandations Pour LE DépoussiérageComment PUIS-JE Poncer Plusieurs PLANCHES? Comment PUIS-JE Poncer LES Planches COLLÉES?Ajourner LE Guide DE Depannage DE Mouvement PAR OÙ DOIS-JE COMMENCER?Étape 2 Vérification DE LA Plaque DE Fixation DE LA Table Étape 1 Tension DE LA Courroie CrantéeÉtape 4 Alignement DES Bagues DE Boulon D’ÉLÉVATION Depannage EntretienÉtape 3 Vérification DE L’AJUSTEMENT DU CONTRE-ÉCROU Garder LA Machine Propre Inspection ET Remplacement DES BrossesDémarrage Impossible Lubrification ET Protection Contre LA RouilleRemplacement Gratuit DE Létiquette AccessoiriesGarantie Entretien ET RéparationPautas DE SEGURIDAD/DEFINICIONES Instrucciones DE Seguridad ImportantesEL USO DE Esta Herramienta Puede Normas Generales DE SeguridadConexiones a LA Fuente DE Alimentación Normas Específicas Adicionales DE SeguridadEspecificaciones DEL Motor Instrucciones DE Conexión a TierraCordón DE Extensión DE Calibre Mínimo Cordones DE ExtensiónContenido DE Carton Descripción FuncionalPrologo Desempaquetado Y LimpiezaEstimación DEL Tiempo DE Ensamblaje EnsamblajeHerramientas DE Ensamblaje Requeridas Cómo Instalar Y Nivelar LA Mesa DE Alimentación Cómo Instalar EL VolanteControles Y Ajustes Operacionales OperaciónArrancando Y Deteniendo LA Maquina Cómo Conectar EL Indicador DE Alimentación SAPara Comprobar Y Ajustar LA Tensión Cómo Elevar LA MesaPara Comprobar Y Ajustar LA Trayectoria Cómo Comprobar Y Ajustar LA Mesa Paralela AL Tambor Cómo Configurar LA Escala DE AlturaProtección Contra Sobrecarga DEL Motor DEL Tambor Cómo Quitar Y Reemplazar LA Banda DE Lijado DEL Tambor Cómo Quitar Y Reemplazar LA Banda DE Alimentación Hizo CON Frecuencia Preguntas ¿CÓMO Lijo Varias TABLAS? ¿QUÉ Produce LAS Marcas DE QUEMADURA?¿CÓMO Lijo LOS Bordes DE LAS TABLAS? ¿CÓMO Lijo LAS Tablas AHUECADAS, Curvadas O TORCIDAS?Posponga LA Guia DE Localizacion DE Fallas DE Movimiento ¿CÓMO Lijo Tablas MÁS Anchas QUE 457 MM 18?Paso 2 Inspección DE LA Placa DE Soporte DE LA Mesa Paso 1 Tensión DE LA Banda DE DistribuciónPaso 3 Comprobación DEL Ajuste DE LA Tuerca DE Seguridad Localizacion DE Fallas MaintenanceServicio MantenimientoAccessories Excepciones Póliza DE GarantíaIdentificación Delproducto Your ACHIEVEMENT. OUR Tools

31-260X specifications

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