Related Manuals for Daewoo DACNQ350
Summary of Contents for Daewoo DACNQ350
- Page 1 DACNQ350 Concrete cutter USER'S MANUAL www.daewoopowerproducts.com Manufactured under license of Daewoo International Corporation, Korea...
- Page 2 INDEX 1. MAIN PARTS ............................2 2. SATETY PRECAUTIONS .......................... 3 3. SPECIFICATIONS ............................ 7 4. EXPLODED VIEWS ..........................15...
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Page 3: Main Parts
When engine speed is up to 3800 RPM, the cutting blade, driven by the engine via belt transmission system, begins to rotate at high speed, and is ready for cutting work. Showed below are the main parts of the DACNQ350 cut-off saw and their corresponding function descriptions (Ref. Fig 1): 1. -
Page 4: Satety Precautions
Lock the blade shaft to facilitate blade changing and installation. 2. SAFETY PRECAUTIONS As the DACNQ350 cutoff saw is a high-speed power tool, improper use of this saw might be hazar- dous. To avoid property damage or personal injury, it is EXTREMELY IMPROTANT to read, fully understand, and observe the following safety precautions before operating this cut-off saw. - Page 5 Protect your hands with gloves when handing the cut-off saw. Heavy-duty, non-slip gloves improve your grip and protect your hands. Use DACNQ350 cut-off saw only with both hands, keeping a firm grip on the front and rear handles. Maintain good balance and footing at all times.
- Page 6 recommended. To reduce the risk of injury to your eyes, never operate the cut-off saw unless wearing goggles or properly fitted safety glasses with adequate top and side protection. Proper eye protection is a must! Wear an approved safety hard hat to protect your head. Cut-off machine noise could damage your hearing.
- Page 7 (Ref. Fig.3) Press the throttle trigger backward slowly to make the engine accelerate gradually. Wait until the blade builds up the rpm’s before beginning to work. Move the rotating blade slowly toward the object to be cut, increase the pressure gradually after the cutting edge comes in contact with the object.
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Page 8: Specifications
Notes on maintenance: Perform any maintenance or repair work in clean and neat environment. Use proper tools and operate with caution. 9. Do not attempt to modify your cut-off saw in any way. Use only identical spare parts for replace- ment. - Page 9 Operation Guide to DACNQ350 cut-off saw 1. Before starting Preparation includes clear up and arrangement of work surroundings, wearing proper clothing and protection and inspecting of the cut-off saw. In preparation, please follow the procedures described in the appropriate section of this manual. For additional preparation work before starting, please...
- Page 10 forth until the shaft lock engages in the blade shaft. Use the combination wrench to loosen and unscrew the hexagon bolt (2). Remove the metal washer (3), the flange (4) from the blade shaft together with the blade to be repla- ced.
- Page 11 a. If the engine does not start, press the button of the decompression valve again and restart the engine. b. If the engine runs for a while but doesn’t keep running, press the decompression valve in, move the choke lever to and then restart the engine. c.
- Page 12 After the saw works for a certain period of time, let the engine idle on for a while to dissipate the heat. This will prevent some engine parts (ignition system, carburetor etc.) from being damaged by over heating. Adjustment of DACNQ350 cut-off saw 1. Adjusting V-belt tension Refer to the instruction described above in the section titled “Tensioning the V-belt”.
- Page 13 (2) first, then move the blade guard to a desired position by hand. Finally retighten the positioning knob(2) to continue cutting. Fig. 10 Maintenance & repair of DACNQ350 cut-off saw 1. Cleaning and maintenance of the air filter Dust and foreign build-up accumulated on the air filter may affect engine performance, increase fuel consumption, and cause difficulty in starting.
- Page 14 Wrong fuel mixture (too much engine oil in the gasoline), low quality gasoline or oil, dirty air filter, clogged spark arrestor screen, and other unfavorable running conditions are factors affecting the condition of the spark plug as they cause carbon deposits accumulation, which results in trouble in engine operation.
- Page 15 Fig. 13 5. Maintenance chart The following information refers to normal operating conditions. The specified intervals must be reduced accordingly when working under aggravated conditions (severe dust formation, for example) and with longer daily working hours. Complete Visual inspection √ √...
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Page 16: Exploded Views
Storing DACNQ350 cut-off saw For long periods of storage: 1. Drain and clean the fuel tank, run engine until carburetor is dry. 2. Thoroughly clean the cut-off saw; tighten all nuts and bolts (except for adjusting screws). 3. Remove the blade and loosen the V-belt. - Page 17 2. Crankshaft & Piston Assembly Item Description Item Description Flywheel/Starter 1E49F01009A 1E49F02015 Piston cover co cover 1E49F03006-02 Screw Plug 1E49F02014 Piston ring Needle cage NA4900 1E49F03006 Starter grip GB/T5801-94 NA4900 1E49F03006-03 Starter rope 1E49F02006 Washer 1E49F03011 Rewind Spring 1E49F02007-03 Clutch shoe 1E49F03005 Spring Cover 1E49F02007-05...
- Page 18 Item Description 1E49F04001 Cylinder 1E49F04003 Spark plug 1E49F04004 Cylinder cover 1E49F07016 Screw M5×16 1E49F01011 Screw M5×20 GB1797-85 Washer 1E49F04002 Decompression valve 1E49F04005 Exhaust gasket 1E49F08000 Muffler Assembly 1E49F07016 Screw M5×16 1E49F08009 Screen 1E49F08008 Buckle 4. Oil Tank & Carburetor Item Description Item Description...
- Page 19 5. Handle & Main Cover Assembly Item Description 1E49FA09001 Main Cover 1E49F09016 Side sealing cover 1E49F09013 Front sealing cover 1E49FA09002 Spark plug cover 1E49FA5001 Kill switch GB/T845- 85 Screw ST2.9×13 1E49FA09010 Handle molding 1E49F09010-03 Torsion spring 1E49F09010-02 Full throttle lock button 1E49FA09003 Throttle trigger 1E49F09006...
- Page 20 Pin B3×32 1E49F07012 Screw M5×12 7. Transmission Box & Cutter Assembly Item Description Description Item 1E49F01011 Screw M5×20 GB/T5783-86 Bolt M8×30 Transmission DACNQ350 -01002 GB/T1099-79 Woodruff key 4×13 box cover EHS400-02008 V-belt DACNQ350 -01016 Blade Shaft EHS400-01009 Nut M10-Left DACNQ350...
- Page 21 Item Description EHS400-03002 Handle bracket 1E49F07017 Screw M5×12 EHS400-03001A Handle frame 1E49F07021 Screw M5×24 GB894.1-86 Spring lock 8 1E49F07018 screw M5×25 GB97.2-85 Washer 8 EHS400-03003-02A Wheels EHS400-03003-01A Support EHS400-03003-03A Wheel shaft...
- Page 22 WARRANTY CARD Product model Date of sale Company Serial number Client's signature Username The product is in good conditions and fully complete. Read and agree the terms of the warranty. GUARANTEE The warranty period starts from the date of sale of the products and covers 1 year for all power products. During the warranty period, free failures caused due to the use of poor-quality materials in the production and manufacturer workmanship admitted fault are removed.
- Page 23 Manufactured under license of Daewoo International Corporation, Korea...