Craftsman 316.79187 ENGINE, SPECIFICATIONS, TROUBLESHOOTING, ENGINE WILL NOT IDLE, ENGINE WILL NOT START, ENGINE WILL NOT ACCELERATE, DRIVE SHAFT & CUTTING ATTACHMENT

	TROUBLESHOOTING

P R O B L E M	S O L U T I O N

ENGINE WILL NOT START

Empty fuel tank	Fill fuel tank with properly mixed fuel
Primer bulb wasn't pressed enough	Press primer bulb fully and slowly 10 times
Engine is flooded	Pull the starter rope while holding the throttle control
Old or improperly mixed fuel	Drain gas tank and add fresh fuel mixture
Fouled spark plug	Replace the spark plug
Plugged spark arrestor	Clean or replace spark arrestor
The outside temperature is below 40º F	Pull the starter rope up to 10-15 times
The outside temperature is above 90º F	Pull the starter rope up to 10-15 times

ENGINE WILL NOT IDLE
Air filter is plugged	Replace or clean the air filter
Old or improperly mixed fuel	Drain gas tank and add fresh fuel mixture
Improper carburetor adjustment	Adjust according to the Carburetor Adjustments section or take to an authorized
	service dealer for an adjustment

ENGINE WILL NOT ACCELERATE

Old or improperly mixed fuel	Drain gas tank and add fresh fuel mixture
Improper carburetor adjustment	Adjust according to the Carburetor Adjustments section or take to an authorized
	service dealer for an adjustment
Cutting attachment bound with grass	Stop the engine and clean the cutting attachment

Dirty air filter	Clean or replace the air filter
Plugged spark arrestor	Clean or replace spark arrestor

ENGINE LACKS POWER OR STALLS WHEN CUTTING

Old or improperly mixed fuel	Drain gas tank and add fresh fuel mixture
Air filter is plugged	Replace or clean air filter
Improper carburetor adjustment	Adjust according to the Carburetor Adjustments section or take to an authorized
	service dealer for an adjustment
Fouled spark plug	Replace the spark plug
Plugged spark arrestor	Clean or replace spark arrestor

NOTE: For repairs beyond the minor adjustments listed above, contact your nearest Sears Parts & Repair center (1-800-4-MY-HOME®) or other qualified service dealer.

SPECIFICATIONS


ENGINE*

Engine Type .................................................................................................................................................................	Air-Cooled, 2-Cycle
Displacement.................................................................................................................................................................	31.5 cc (1.95 cu in.)
Idle Speed RPM ..............................................................................................................................................................	2,600 - 3,600 rpm
Operating RPM..........................................................................................................................................................................	6,800+ rpm
Ignition Type.....................................................................................................................................................................	Electronic Ignition
Ignition Switch ......................................................................................................................................................................	Rocker Switch
Spark Plug Gap...........................................................................................................................................................	0.025 in. (0.635 mm)
Spark Plug ...........................................................................................................................................	Champion RDJ7Y or equivalent plug
Lubrication...........................................................................................................................................................................	Fuel/Oil Mixture
Fuel/Oil Ratio .........................................................................................................................................................................................	40:1
Carburetor...............................................................................................................................................................	Diaphragm, All-Position
Starter...................................................................................................................................................	Incredi-Pull™ Starting Auto Rewind
Muffler.............................................................................................................................................................................	Baffled with Guard
Throttle.......................................................................................................................................................................	Manual Spring Return
Fuel Tank Capacity...............................................................................................................................................................	13 oz. (384 ml)

DRIVE SHAFT & CUTTING ATTACHMENT*

Drive Shaft Housing ........................................................................................................................	Steel Tube (Craftsman Convertible™)
Throttle Control ...............................................................................................................................................................	Finger-Tip Trigger
Approximate Unit Weight (No fuel, with Hassle Free IV®, shield, and D-handle)...................................................................	14 lbs. (6 kg)
Cutting Mechanism......................................................................................................................................................	Hassle Free™ Head
Trimming Line Diameter.................................................................................................................	Hassle Free™ XTRA QUIET Spiral Line
Cutting Path Diameter.......................................................................................................................................................	17 in. (43.18 cm)

*All specifications are based on the latest product information available at the time of printing. We reserve the right to make changes at any time without notice.