Summary of Contents for Doosan DCT5JS
- Page 1 DCT5JS MODEL OPERATION & MAINTENANCE MANUAL Tool serial number This manual contains important safety information and must be made available to personnel who operate and maintain this machine. CPN: 85041903_en AUGUST 2013 DATE:...
- Page 2 NEGLIGENCE, INDEMNITY, STRICT dealer shall repair or replace, at DOOSAN BENELUX SA option, LIABILITY OR OTHERWISE SHALL NOT EXCEED THE without charge for parts and labor of mechanics, any part of the PURCHASE PRICE OF THE PRODUCT UPON WHICH SUCH...
- Page 3 Issued at Waterloo in 1-2010 P. Edgeller Technical Manager CONFORMITY TO NOISE DIRECTIVE 2000/14/EC Doosan Benelux SA declare that the following Hammer Drill has been manufactured in conformity with the directive as shown. Directive Model Sound Level dB (A) Vibrations Level...
- Page 4 NOTICE DCT5JS Hammer Drills are designed for drilling concrete and other demolition work in construction applications. Doosan Benelux SA is not responsible for customer modifications of tools for applications on which Doosan Benelux SA was not consulted. DANGER IMPORTANT SAFETY INFORMATION ENCLOSED.
- Page 5 SAFETY WARNING LABEL IDENTIFICATION WARNING FAILURE TO OBSERVE THE FOLLOWING WARNINGS COULD RESULT IN INJURY. WARNING WARNING WARNING WARNING WARNING WARNING WARNING Always wear eye protection Always wear hearing Always turn off the air supply when operating or performing protection when operating and disconnect the air supply maintenance on this tool.
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Page 6: Placing Tool In Service
Always use an air line lubricator with this Hammer Drill. A Doosan Air Line Lubricator (CPN 35371111) is recommended for proper lubrication. Install it in the main air supply line within 1.5 meters (5 ft.) of the Hammer Drill. - Page 7 PLACING TOOL IN SERVICE OPERATION CAUTION Before starting the Hammer Drill, make certain the Assembly Rod Nuts are tight 8Nm (6Ibs.ft.). If the tool is new, check and Excess pressure on one side throws the Hammer Drill out tighten the Nuts after one or two hours of operation. Running of alignment.
- Page 8 PLACING TOOL IN SERVICE Care and Use of Bits Be certain the bit fits on the taper of the steel. Never approach the material with the Hammer Drill running. Position the Hammer Drill carefully and collar the hole at reduced throttle. This prevents damage to bit inserts.
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Page 9: Maintenance
MAINTENANCE... - Page 10 MAINTENANCE Grip Handle Assembly Grip Handle 03764909 Throttle Lever 03764917 3 • Throttle Lever Pin 03764230 5 • Throttle Valve Pin 03764289 6 • Throttle Valve Stem 03764263 7 • Throttle Valve Face 03764271 Throttle Valve Stem Bushing 03764248 9 • Throttle Valve Spring 03764297 Inlet Bushing Assembly...
- Page 11 MAINTENANCE WARNING CAUTION Always wear eye protection when operating or performing When separating the front end from the Housing in the maintenance on this tool. Always turn off the air supply next step, the Piston (16) is free to drop out of the and disconnect the air supply hose before installing, Cylinder.
- Page 12 MAINTENANCE Assembly of the Hammer Drill 21. Align the holes in the Valve Cap (14) with the holes in the Valve and, with the hub end trailing, slide the Valve Cap If the Throttle Valve Stem Bushing (8) was removed, press onto the Valve Pins and against the Valve and Valve Seat.
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Page 13: Fault Finding Guide
FAULT FINDING FAULT FINDING GUIDE Fault Probable Cause Solution Hammer Drill will not start Plugged exhaust ports Dismantle the Hammer Drill and clean out all ports and air passages. Valve Seat is stuck due to gummy oil Remove the assembled valve and Valve Seat and clean the parts. - Page 14 FAULT FINDING FAULT FINDING GUIDE Fault Probable Cause Solution Tool overheating after break-in Running on Fronthead cushion Apply sufficient down pressure on the Hammer Drill to period keep the bit feeding into the rock. Piston not hitting shank because shank Install a new drill steel.
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Page 15: General Data
GENERAL DATA SPECIFICATIONS FOR DCT5JS HAMMER DRILL Model DCT5JS Chuck Size 19 hex x 50 01338524 Overall Length mm (in) 408 (16) Overall Width mm (in) 85 (3.35) Weight Kg (lbs) 5 (11) Max Working Pressure Bar (psi) 6,2 (90) - Page 16 Doosan Benelux SA Drève Richelle 167 B-1410 Waterloo, Belgium www.doosanportablepower.com...