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Unifire PS-COS14 Specifications

Specifications Supplied From Unifire , Inc.
1-800-745-3282 • http://www.unifireusa.com

General Specifications
  • Power head dry weight must not exceed 21 lbs.
  • Power head must run on a 50:1 fuel oil mixture.
  • Saw must be single cylinder, 2 cycle with loop scavenging.
  • Saw must include: power head, tool kit, manual, 1 bottles of two cycle oil.
  • Saw must have 120-day warranty.
Powerhead Specifications:
  • Saw power head must have 4.4 cubic inch displacement with a 2.05-inch molybdenum impregnated bore and 1.34 inch stroke.
  • Power head must develop 5.6 horsepower at 8500 RPM
  • Power head shall idle at 2500 RPM and must obtain a maximum unloaded speed of 10,000 RPM.
  • Centrifugal clutch must engage at 3500 RPM.
  • Electronic Ignition must have lifetime warranty.
  • Carburetor must be an all position diaphragm type with integral fuel pump.
  • Carburetor must be fitted with a paper air filter.
  • Air filtering system must include a covered 3-stage foam air pre filter to protect it from debris and water.
  • Carburetor must be isolated from the cylinder by a fiberglass spacer, rubber boot and isolating wall to prevent vapor lock.
  • Muffler must be side ported USFS and ANSI approved with spark arrestor.
  • Crankshaft shall be balanced two (2)-piece drop forged.
  • Crankshaft shall be supported by two (2) deep groove ball bearings.
  • Piston shall be made from a low friction alloy.
  • Rod shall have silver plated needle bearings.
  • Cylinder shall have asymmetrical cooling fins and shall be cooled by a high capacity fan.
  • Power head must be isolated from handle assembly by six (6) rubber "springs" to cancel vibration.
  • Saw shall have full wrap handle for operator protection and safety.
  • Saw shall have rear hand guard.
  • Saw shall have large D-ring handle for easy starting with gloves.
  • Saw must have positive position on/off switch for safety. (Momentary switch is not acceptable).
  • Power head shall have large fill caps.
  • Fuel tank volume shall be 1.58 pints.
Blade Specifications:
  • Blade must be 14" diameter standard.
  • Saw must be able to accept abrasive, diamond and rescue blades.
  • Saw arbor size must be interchangeable to include discs with 20 mm, 7/8 or 1-inch arbor.
  • Blade shall have a maximum speed of 5000 RPM.
  • Cutting arm must be reversible from inboard to outboard side of power head.
Options:
  • Metal cutting Abrasive Blade
  • Fuel Tank & Tool Storage
  • Concrete Cutting Abrasive Blade
  • Saw Strap
  • Carbide Tipped Rescue Blade
  • Eye & Hearing Protection
  • Diamond Coated Blade
  • Saw Case
  • Multi-Purpose Blade
  • Diamond Blade/Concrete
  • Diamond Metal Cutting Blade