Background
The Craftsman Trimmer 316.791920 is a gas-powered string trimmer manufactured by Ryobi America Corp for Sears. Its primary function is to trim grass and weeds where a lawnmower might not reach. The trimmer is powered by a 31.5 cc 2-cycle air-cooled engine. The engine operates at an idle speed of 2800-3600 rpm and can reach an operating speed of over 7200 rpm. The trimmer utilizes an electronic MAXFIRE ignition system and a Champion RDJ7Y spark plug.
In terms of its design, the trimmer features a convertible shaft that allows for the use of different attachments such as a cultivator, blade edger, or brush cutter. It uses a 0.095 in diameter yellow Hassle Free IV XTRA QUIET spiral line for cutting, with a cutting path diameter of 15.5 inches. The trimmer also includes a D-handle with a throttle trigger control, along with a shield for the cutting attachment. It has a fuel tank capacity of 13 oz and weighs 14 lbs without fuel.
Technical Specifications
- Engine: 31.5 cc 2-cycle air-cooled
- Fuel/oil ratio: 40:1
- Idle speed: 2800-3600 rpm
- Operating RPM: 7200+ rpm
- Ignition: Electronic ignition
- Spark plug: Champion RDJ7Y (gap 0.020 in)
- Starter: Pull starting system with auto rewind
- Cutting path diameter: 15.5 in
- Line diameter: 0.095 in spiral line
- Fuel tank capacity: 13 oz
- Weight: 14 lbs without fuel
- Convertible shaft: Allows use of attachments like cultivator, blade edger, brush cutter
- Cutting head: Easy line replacement
- Handle: D-handle with throttle trigger control
- Shield: Included for cutting attachment
Warranty
The Craftsman Trimmer 316.791920 comes with a full 2-year warranty. This warranty covers any defects in materials and workmanship but excludes expendable parts such as cutting line, spark plugs, and air filters. In the case of commercial or rental use, the warranty period is limited to 30 days from the date of purchase. To claim the warranty, one needs to contact the manufacturer or authorized service provider, providing the necessary details about the defect along with proof of purchase. Furthermore, the product's emission control system also carries a 2-year warranty, demonstrating compliance with EPA and California emissions standards.