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INSTALLING BLADE 

1. 

 Be certain that the spark plug is disconnected or saw is unplugged. 

2. 

 Remove the blade shaft nut, and take off outside blade shaft flange. 

3. 

 Clean  off  any  foreign  particles  on  the  clamping  surfaces  of  flanges  and  on  the 

mounting surface of the blade. 
4. 

 Place the blade on the blade shaft, lining up the offset ' drive pin in the blade 

with the drive pin in the mounting collar (if the pin system is available on the machine). If 
your blade has a directional rotational arrow, position arrow for down cut (diamond tail 
trailing for down cut). 
5. 

 Replace  the  outside  blade  shaft  flange  on  the  blade  shaft.  Drive  pin  on  the 

inside collar must project through the drive hole in the blade and into the outside collar 
(if the pin system is available on the machine). 
6. 

 Tighten  the  blade  shaft  nut  securely  against  star  washer  and  outside  flange, 

using wrench supplied. 
7. 

 Reconnect the spark plug or (with switch “off”)plug in the electric supply cord. 

TYPES OF CUTTING 

Cut speed depends entirely on using the correct blade for the material to be cut. Wet or 
dry.  diamond  blades  of  various  specifications  are  available  for  cutting  concrete  or 
asphalt. 
Before Starting/Cold Start/Hot Start/ 
To Start Cutting 

BEFORE STARTING 

1. 

 Use correct blade for cutting conditions. 

2. 

 Ensure arbors and flanges are clean and undamaged. 

3. 

 Mount blade and tighten securely using wrench. 

4. 

 When wet cutting, check water jets for adequate flow. 

5. 

 Align pointer with cutter blade. 

 
Caution  -  Set  unit  up  in  an  open  area.  Avoid  close  proximity  to  structures  or  other 
equipment. Failure to do so may cause inadvertent Injury to operator or other persons in 
the area. 
 
Cold start-Open the  fuel valve under the  gas tank  all the  way. Position the engine  stop 
switch, located on the engine, to run. Open the throttle approximately halfway and apply 
the  choke.  Pull  the  starter  rope  sharply.  When  the  engine  starts,  open  the  choke  and 
adjust the throttle as necessary to keep it running. Allow the engine to warm up for a few 
minutes  before  placing  it  under  the  load,  if  the  engine  doesn’t  start  after(3)pulls,  open 
choke slightly to prevent flooding. Always operate the engine at full throttle when under 
load. 

Summary of Contents for BSC350

Page 1: ...EN RU 01 2014 www helmutworld com support CONCRETE CUTTER BSC350 BSC350H...

Page 2: ...stand these instructions before operating changing accessories or performing maintenance on this power equipment All possible situations cannot be covered in these instructions Care must be exercised...

Page 3: ...s when they become difficult to read ALWAYS check the machine for loosened threads or bolts before starting NEVER touch the hot exhaust manifold muffler or cylinder Allow these parts to cool before se...

Page 4: ...lace Caution must be exercised while servicing this equipment Rotating and moving parts can cause injury if contacted Keep all inexperienced and unauthorized people away from the equipment at all time...

Page 5: ...e into the cylinder head making the engine difficult to start NEVER transport the cutter with the blade mounted EMERGENCIES ALWAYS know the location of the nearest fire extinguisher and first aid kit...

Page 6: ...s ramps and other flat sawing applications You will find a cutter to fit a wide vanety of job applications Upon receipt of your machine CAREFULLY CHECK FOR ANY FREIGHT DAMAGE Any Damage should be imme...

Page 7: ...ends entirely on using the correct blade for the material to be cut Wet or dry diamond blades of various specifications are available for cutting concrete or asphalt Before Starting Cold Start Hot Sta...

Page 8: ...lve and turn water safety switch on 3 Step on the left side of PEDAL until hear a click then turn on the WHEEL HANDLE on the top of the machine to remove the equipment forward and reverse step down th...

Page 9: ...after seating 3 Remember too much tension shortens belt and bearing life 4 Check the belt tension frequently during the first day of operation Check the belt tension periodically thereafter and make a...

Page 10: ...e sure arbor and threads are not worn damaged or bent Blade shaft bearings should be tight no free play side to side or up and down Grease blade shaft bearings daily Blade collars should be clean free...

Page 11: ...observed at all times To avoid the risk of accidents use the correct tool for the job and keep tools clean The draining of engine oil is best carried out when the oil is warm NOT hot Any spilled oil...

Page 12: ...12 Major Components...

Page 13: ...01 WATER TANK 1 20 2010702 WASHER 12 15 21 2010703 SPRING WASHER 13 22 2010704 BOLT M12x30 10 23 2010705 COCK 1 24 2010801 BELT GUARD 1 25 2010802 INNER GUARD 2 26 2010901 WASHER 6 1 27 2010902 SCREW...

Page 14: ...14 Transmission Assy...

Page 15: ...2020110 SPRING WASHER M10 1 11 2020111 NUT M10 1 12 2020201 PEDAL 1 13 2020202 LEVER 1 14 2020301 PROTECTIVE PLATE 1 15 2020401 WASHER M10 16 2020402 KEY 10x40 1 17 2020403 WASHER 35 1 18 2020404 KEY...

Page 16: ...16 Depth Adjusting Assy...

Page 17: ...11 2030207 BEARING ASSY 2 12 2030208 POSITION PLATE 2 13 2030209 SCREW STEM 1 14 2030210 CONNECTING STEM 1 15 2030211 NUT M10 4 16 2030301 RIVET 4 17 2030302 SCALE 3 18 2030303 POINTER 1 19 2030401 S...

Page 18: ...18 Engine Assy...

Page 19: ...OL HONDA GX390K1 1 9 2040202 1 KEY FOR DIESEL ENGINE 1 2040202 2 KEY FOR PETROL ENGINE 1 10 2040203 1 PULLEY FOR DIESEL ENGINE 1 2040203 2 PULLEY FOR CHINESE PETROL ENGINE 1 2040203 3 PULLEY FOR ROB1N...

Page 20: ...20 Electric Starter Assy...

Page 21: ...ING SPACER 1 3 2050103 WASHER 1 4 2050104 ELECTRIC CONNECTOR 1 5 2050201 BOLT M8x20 4 6 2050202 ELECTRIC CABLE 4 7 2050203 NUT M6 2 8 2050204 PLUG NEGAIVE 1 9 2050301 WIRE 1 10 2050302 PLUG POSITIVE 1...

Page 22: ...22 4 1 BSC300H BSC300 300 350 80 83 5 5 5 3600 3800 0 9 Honda GX 160 Standart 850 520 1000...

Page 23: ...23...

Page 24: ...24 92 4 10 25 4 22 32...

Page 25: ...25 20 9 5 1200 3 1 2 5 4 6...

Page 26: ...26 2 SAE 15W40 92...

Page 27: ...27 8 10 98 10 0 8 1...

Page 28: ......

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