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Air Percussive Drill JRD50 Jackhamer?

Air Percussive Drill JRD50 Jackhamer?
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Air Percussive Drill JRD50 Jackhamer?

Product catalog summary
Product Overview: The JRD50 Jackhamer™ is engineered for drilling 2-inch diameter holes up to 15 feet deep in medium to hard rock, making it ideal for construction, industrial maintenance, and utility work in quarries and mines.
Specifications: The JRD50 series includes models JRD50A, JRD50B, and JRD50C, featuring a 3-inch cylinder bore, 2-inch working stroke, and different chuck sizes. They deliver 2300 blows per minute with an air consumption of 120 ft³/min at 90 psi.
Installation and Lubrication: Ensure the air supply line is appropriately sized for maximum operating pressure at the tool inlet. Use clean, dry air and install an air line filter to prolong tool life. Lubricate with Rock Drill Oil and adjust the air line lubricator for a light oil film.
Air and Water Requirements: Maintain air pressure at the jackhamer inlet, ensuring no more than a 15% pressure drop from the compressor. For wet machines, water pressure should be 10 psig less than air pressure, never below 40 psig.
Operation and Safety: Operate the jackhamer with the drill bit against the work surface. Avoid striking the tool with blunt objects and ensure proper lubrication to prevent damage. Use safety cables and locking pins on hose couplings to prevent whipping.
Maintenance: Regularly inspect and maintain drill steel and bits. Ensure threads are lubricated and in good condition. Avoid using bent steel or dull bits to prevent stress and wear on the tool.
Controls and Operating Tips: The jackhamer is controlled via a lever. Ensure proper alignment and pressure during operation to maximize efficiency and prevent damage. Use anti-freeze lubricant in cold conditions to prevent exhaust freeze-up.
Parts and Recycling: Disassemble and recycle parts by material when the tool's life ends. Maintenance should be performed by authorized service centers.
Drilling Procedures and Precautions: When drilling in virgin rock, ensure the drill does not operate on its own debris to maintain speed and prevent the drill from getting stuck. If penetration is difficult, severe loads can damage the clutch.
Handling Stuck Drills: In wet formations, debris can form a "mud collar" causing the drill to get stuck. To remove a stuck drill, detach the drilling hammer and use a wrench to free the steel. Avoid using the drilling hammer to pull the stuck drill for extended periods to prevent damage.
Parts and Maintenance: Disassemble, clean, and recycle parts by material type when the tool is no longer effective. Repairs should be conducted by an Authorized Service Center. Contact the nearest Ingersoll-Rand Office or Distributor for assistance.
Additional Information: The original language of this manual is English. For further details, visit www.irtools.com. © 2004 Ingersoll-Rand Company.
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Catalog excerpts

Air Percussive Drill JRD50 Jackhamer?-1

Product Information Save These Instructions

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Air Percussive Drill JRD50 Jackhamer?-3

Product Safety Information Intended Use: The Series JRD50 Jackhamer is capable of drilling 2 inch (51 mm) diameter holes up to 15 feet (4.6 m) deep in medium to hard rock. It is particularly suitable for construction work, medium industrial maintenance work and for general utility work in quarries and mines. For additional information refer to Air Percussive Drill Product Safety Information Manual Form 04584975. Manuals can be downloaded from www.irtools.com. Installation and Lubrication Size air supply line to ensure tool's maximum operating pressure (PMAX) at tool inlet. Drain condensate from...

 Open the catalog to page 3
Air Percussive Drill JRD50 Jackhamer?-4

Air Requirements An air compressor of sufficient capacity is needed to provide the necessary volume of air at the most efficient operating pressure to ensure effective and economical operation of the jackhamer. The air requirements represent air pressure at the jackhamer inlet and not at the compressor. There is always a certain amount of pressure drop between the compressor and the jackhamer; only the pressure and volume at the tool is effective in doing work. If a hose is relatively short and in good condition, the pressure drop between the compressor (or air receiver) and the jackhamer should...

 Open the catalog to page 4
Air Percussive Drill JRD50 Jackhamer?-5

Rock Drill Oil Specifications Characteristic Test Procedure Falex Load Test lbs. (kg) [Min.] ASTM-D2670 Product Specifications Model Working Stroke Overall Length Recommended Air Supply at the Inlet

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Air Percussive Drill JRD50 Jackhamer?-6

Do not operate the jackhamer when the drill bit is not against the work. Never strike the tool with a blunt object; the housing may be broken or damaged. Never attempt major maintenance of the tool on the job; take it to a repair shop. Never drag the tool along the ground; the air ports in the exhaust may fill with dirt. Always blow out the air supply hose before connecting it to the tool to remove any dirt inside the hose. Make sure the tool is well lubricated. In extremely cold weather, keep drill steel tools wrapped in burlap or cloth until just before you use them. At 0°F (-17°C) a hardened...

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Air Percussive Drill JRD50 Jackhamer?-7

Controls Blow Off 1. Collaring 2. Half-throttle 3. Full throttle Figure 1. Operating Lever Positions (Dwg. TPA1841) The jackhamer is controlled by moving the lever as shown in Figure 1. Operating the Tool 1. Connect the leader hose to the air connection on the jackhamer. 2. Open the latch by pushing the lever down. 3. Insert the shank end of the drill steel in the fronthead, and swing the latch up to lock the tool in the jackhamer. CAUTION Make sure the tool is the correct size for fronthead: 7/8" x 3-1/4", 7/8" x 4-1/4" or 1” x 4-1/4” depending on the chuck. Don't use a jackhamer tool that is...

 Open the catalog to page 7
Air Percussive Drill JRD50 Jackhamer?-8

Collaring the Hole 12. When starting the hole, hold the jackhamer firmly against the work and use a steel short enough so that the jackhamer can be handled comfortably. 13. Open the throttle gradually and drill at half throttle or less. 14. Make sure the bit is through the overburden and about 2 inches (51 mm) deep in the rock before using full throttle. 15. The jackhamer should be kept at right angles to the work, until the hole is collared, then repositioned for angled drilling. Cleaning the Hole 16. Always keep the hole clean and free of cuttings by blowing the hole frequently or using plenty...

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Air Percussive Drill JRD50 Jackhamer?-9

FR Informations de sécurité du produit Utilisation prévue: Le Serie marteau-perforateur est capable de forer des trous de 2” (51 mm) jusqu'à 15 ft. (4.6 m) de profondeur dans de la roche moyenne ou dure. Il est particulièrement adapté aux travaux de construction, aux travaux de maintenance moyenne dans l'industrie et aux travaux d'utilité générale dans les carrières et dans les mines. Pour des informations complémentaires, reportez-vous au manuel 04584975 d'information de sécurité du produit Air Percussive Drill. Les manuels peuvent être téléchargés à l'adresse www.irtools.com. Installation et...

 Open the catalog to page 9
Air Percussive Drill JRD50 Jackhamer?-10

FR L'outil est expédié de l'usine avec un raccord d'entrée mâle fileté de 3/4 NPT. Vérifier que tous les tuyaux flexibles et raccords sont correctement dimensionnés. Voir Plan 16572133 et au tableau de la page 2 pour un exemple type d'agencement des tuyauteries. Besoins en air Il faut un compresseur d'air capable de fournir le volume d'air nécessaire avec la pression la plus adaptée, pour travailler de manière efficace et économique avec le marteau-perforateur. Les besoins en air représentent les pressions d'air prises au niveau de l'entrée du marteau-perforateur et non du compresseur. Il y a...

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Air Percussive Drill JRD50 Jackhamer?-11

FR Spécifications des huiles de perforatrice Caractéristique Point de fusion maximal °F (°C) Point éclair maximal °F (°C) Index de viscosité minimal Nombre minimum d'émulsion en vapeur Test Falex en charge kg (livres) [min] Test Timken E.P. kg (livres) [min] Spécifications du produit Modèle Course utile Taille du mandrin (Hexagonal) Poids (nett) Longueur totale Alimentation d'air recommandée à l'entrée

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Air Percussive Drill JRD50 Jackhamer?-12

Ne faites pas fonctionner le marteau-perforateur quand l'outil n'est pas contre la surface de travail. Ne jamais exploiter l'outil lorsque le fleuret ou le bloc de marteau n'est pas contre la surface de travail. Ne jamais frapper l'outil avec un objet épointé sous peine de fracture ou d'endommagement du corps. Ne jamais entreprendre des opérations majeures d'entretien de l'outil sur le chantier ; le confier à un atelier de réparation. Ne jamais traîner l'outil sur le sol ; les orifices d'air de l'échappement pourraient se remplir de saletés. Nettoyer toujours le flexible d'alimentation d'air...

 Open the catalog to page 12
Air Percussive Drill JRD50 Jackhamer?-13

FR Commandes Nettoyage Arrêt 1. Amorçage 2. Demi puissance 3. Pleine puissance Figure 1. Positions du levier de commande (Plan TPA1841) Le marteau-perforateur est contrôlé en déplaçant le levier comme indiqué sur la figure 1. Exploitation de l'outil 1. Reliez la ligne de tête à la prise d'air sur le marteau-perforateur. 2. Débloquez le mécanisme de fermeture en poussant le levier vers le bas.. 3. Insérez la queue du fleuret dans la tête et faites pivoter le levier vers le haut pour verrouiller l'outil dans le marteau-perforateur. Reportez-vous à la section 6 pour le choix de la taille correcte...

 Open the catalog to page 13

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