TROUBLE SHOOTING

PROBLEM

Engine tails to start

Loss of power; operation erratic

Engine overheats

Too much vibration

POSSIBLE CAUSE(S)

Fuel tank empty, or stale fuel.

Spark plug wire disconnected.

Faulty spark plug.

Nozzle safety switch not depressed.

Spark plug wire loose.

Unit running on CHOKE.

Blocked fuel line or stale fuel.

Water or dirt in fuel system.

Carburetor out of adjustment.

Dirty air cleaner.

Carburetor not adjusted properly.

Engine oil level low.

Loose parts or damaged impeller.

CORRECTIVE ACTION

Fill tank with clean, fresh fuel.

Connect wire to spark plug.

Clean, adjust gap or replace.

Adjust metal tab so it depresses the safety switch.

Connect and tighten spark plug wire.

Move choke lever to OFF position.

Clean fuel line; fill tank with clean fresh gasoline.

Disconnect fuel line at carburetor to drain fuel tank. Refill with fresh fuel.

Adjust carburetor or contact your SEARS Service Center.

Service air cleaner. See Customer Responsibilities section of this manual.

Contact your SEARS Service Center.

Fill crankcase with proper oil.

Stop engine immediately and disconnect spark plug wire. Tighten all bolts and nuts.

Make all necessary repairs. If vibration continues, have unit serviced by a SEARS Service Center,

Unit does not discharge

Rate of discharge slows considerably or composition of discharged material changes

Discharge chute clogged.

Foreign object lodged in impeller.

Vacuum bag is full.

Chipper blades dull.

Stop engine immediately and disconnect spark plug wire. Clean flail screen and inside of blower housing. See Service/Adjustments section of this manual.

Stop engine immediately and disconnect spark plug wire. Remove lodged object. Empty bag.

Sharpen or replace chipper blades.

NOTE: For repairs beyond the minor adjustments listed above, please contact your nearest SEARS Service Center.

HOW TO ORDER REPLACEMENT PARTS

Each chipper-vacuum has its own model number. Each engine has its own model number.

The model number for your chipper-vacuum will be found on a label attached to the frame.

The model number for the engine will be found on the blower housing of the engine.

Atl parts listed herein may be ordered through Sears, Roebuck and Co. Service Centers and most Retail Stores.

WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION:

*PRODUCT - "9 H.P. Chipper-Vacuum"

*MODEL NUMBER - 247.799640

*ENGINE MODEL NO. - 143.959003

*PART NUMBER

*PART DESCRIPTION

Your Sears merchandise has added value when you consider that Sears has service units nationwide staffed with Sears trained technicians...professional technicians specifically trained on Sears products, having the parts, tools and the equipment to insure that we meet our pledge to you..."we service what we sell ."

IF YOU NEED REPAIR

SERVICE OR PARTS:

REPAIR SERVICE 1-800-4-REPAIR

(1-800-473-7247)

ORDERING PARTS 1-800-FON-PART

(1-800-366-7278

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Craftsman 79964 manual Trouble Shooting, HOW to Order Replacement Parts, Part Number Part Description

79964 specifications

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