Background

The Craftsman Trimmer 316.791870 is a gardening tool produced by Sears Brands, which is designed for the trimming of grass and small plants. The engine of the product is a 2-cycle gas model with a displacement of 31.5 cc. The trimmer operates at an idle speed between 2,600 and 3,600 revolutions per minute (rpm), with an operational rpm exceeding 6,800. The trimmer uses an electronic ignition system, a Champion RDJ7Y spark plug, and a fuel/oil ratio of 40:1. The fuel tank has a capacity of 13 ounces.

The trimmer employs a steel tube drive shaft housing and a cutting mechanism with a 0.095 inch line. Its cutting path diameter is 17 inches and the weight of the product is 14 pounds without fuel or a cutting attachment. The trimmer also has features such as a starter, a coupler that allows the use of additional attachments, an adjustable D-handle for control, a cutting head that allows easy line replacement, and a baffled muffler with a spark arrestor. The trimmer is started by priming the fuel bulb, activating a lever, and pulling the starter rope. The engine is controlled by an On/Off Stop Control switch and a throttle trigger. Regular maintenance tasks for the product include cleaning and oiling the air filter, checking the spark plug and gap, cleaning the spark arrestor screen, using a fresh fuel mixture, replacing the spark plug as necessary, and cleaning the unit before extended storage.

Technical Specifications

  • Engine Type: Air-cooled, 2-cycle
  • Displacement: 31.5 cc (1.95 cu in)
  • Idle Speed: 2,600 - 3,600 rpm
  • Operating RPM: 6,800+ rpm
  • Ignition Type: Electronic ignition
  • Spark Plug: Champion RDJ7Y or equivalent, 0.025 in (0.635 mm) gap
  • Fuel/Oil Ratio: 40:1 mixed gasoline and 2-cycle oil
  • Fuel Tank Capacity: 13 oz (384 ml)
  • Drive Shaft Housing: Steel tube
  • Cutting Mechanism: Trimmer head with 0.095 in (2.4 mm) line
  • Cutting Path Diameter: 17 in (43 cm)
  • Weight: 14 lbs (6 kg) without fuel or cutting attachment

Warranty

The Craftsman Trimmer 316.791870 is covered under a 2-year limited warranty provided by Sears. This warranty covers any defects in materials or workmanship. In order to make a claim under the warranty, it's necessary to present the product and proof of purchase to the Sears or other authorized service center. Any defects will be repaired or the product will be replaced free of charge within the warranty period.

Craftsman 316.791870 Owners Manual