Craftsman 247.88110 - Manual (Page 19)

TROUBLE SHOOTING CHART
CAUTION: ALWAYS DISCONNECT SPARK PLUG BEFORE ATTEMPTING ANY REMEDY.
TROUBLE LOOK FOR REMEDY
Blocked fuel line or
empty gas tank.
Clean fuel line; check fuel supply.
Engine fails to start.
Defective spark
plug.
Spark plug lead wire disconnected.
Faulty spark plug—spark should jump gap between control
electrode and side electrode. If spark does not jump, re­
place spark plug.
NOTE: Use insulated pliers 1o hold the spark plug wire.
Throttle setting. Throttle control lever not in the starting position.
Loose connections Spark plug wire loose.
Hard starting or loss of
power.
Dirty air cleaner. Remove air cleaner and clean as outlined in paragraph
Engine Maintenance.
Carburetor improp­
erly adjusted. Review paragraph Carburetor Adjustment.
Excessive vibration.
Bent or damaged
blade spindle.
Loose parts.
Stop engine immediately; tighten all bolts and make all nec­
essary repairs. If vibration continues, have the unit serviced
by a competent repairman.
Stop engine immediately; tighten all bolts and make all
necessary repairs.
Unit fails to propel
itself.
Drive belt loose or
defective.
Adjust drive belt; replace if defective.
Lockout rod adjust­
ment.
Review paragraph on Adjustments, page 13.
Unit fails to discharge
grass.
Discharge chute
clogged.
Foreign object
lodged in deck.
Clean discharge chute and inside of deck.
Remove object from deck. See CAUTION following step 1 in
paragraph Operation.
Engine overheats.
Obstructions in air
passages.
Grass and dirt in
engine shroud.
Remove any obstruction from air passages in shroud.
Clean cooling fins.
Oil level. Fill crankcase to proper oil level.
19