Troubleshooting Chart; Specifications - Craftsman 316.79498 Operator's Manual

ENGINE WILL NOT START
CAUSE
Empty fuel tank
Primer bulb wasn't pressed enough
Old fuel
Fouled spark plug
Plugged spark arrestor
ENGINE WILL NOT IDLE
CAUSE
Air filter is plugged
Old fuel
Improper carburetor adjustment
ENGINE WILL NOT ACCELERATE
CAUSE
Old fuel
Improper carburetor adjustment
Dirty air filter
Plugged spark arrestor
ENGINE LACKS POWER OR STALLS
CAUSE
Old fuel
Improper carburetor adjustment
Fouled spark plug
Plugged 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.
ENGINE*
Engine Type ............................................................................................................................................................... Air-Cooled, 4-Cycle
Displacement ................................................................................................................................................................. 1.8 cu. in. (29 cc)
Vacuum Operating RPM .......................................................................................................................................................... 6,800+ rpm
Blower Operating RPM .............................................................................................................................................................7,200+ rpm
Idle Speed RPM ........................................................................................................................................................... 3,200 – 4,400 rpm
Ignition Type ......................................................................................................................................... Electronic MAX FIRE IGNITION™
Ignition Switch.............................................................................................................................................................. Momentary Switch
Valve clearance ................................................................................................................................... 0.003–0.006 in. (0.076–0.152 mm)
Spark Plug ............................................................................................................Champion Spark Plug #RDZ19H or Similar Spark Plug
Spark Plug Gap ..................................................................................................................................................... 0.025 inch (0.655 mm)
Lubrication ................................................................................................................................................................................ SAE 30 Oil
Crankcase Oil Capacity ..................................................................................................................................................... 3.04 oz (90 ml)
Fuel ............................................................................................................................................................................................ Unleaded
Carburetor ............................................................................................................................................................ Diaphragm, All-Position
Starter................................................................................................................................................ Incredi-Pull™ Starting Auto Rewind
Muffler .......................................................................................................................................................................... Baffled with Guard
Throttle ............................................................................................................................................................................... Variable Speed
Fuel Tank Capacity .............................................................................................................................................................. 14 oz (414 ml)
*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.
TROUBLESHOOTING
ACTION
Fill fuel tank with new fuel
Press primer bulb fully and slowly 10 times
Drain gas tank and add fresh fuel
Replace the spark plug
Clean or replace spark arrestor
ACTION
Replace or clean the air filter
Drain gas tank and add fresh fuel
Adjust carburetor
ACTION
Drain gas tank and add fresh fuel
Take to a Sears or other qualified service dealer for adjustment
Clean or replace the air filter
Clean or replace spark arrestor
ACTION
Drain gas tank and add fresh fuel
Take to a Sears or other qualified service dealer for adjustment
Replace the spark plug
Clean or replace spark arrestor

SPECIFICATIONS

16
®
)