Weed Eater 187637 Owner's Manual

Air screen must be kept free of dirt and chaff to prevent 
engine dam age from overheating.  Clean with a wire brush 
or compressed air to re move dirt and stubborn dried gum 
fi bers.

Remove any dust, dirt or oil from engine cooling fi ns to 
prevent engine damage from overheating.  Hood and 
engine blower housing must be removed to clean engine 
cooling fi ns.
•      Remove hood (See “TO REMOVE HOOD AND GRILL 

ASSEMBLY” in the Ser vice and Adjustments sec tion 
of this manual).

•         Remove screws securing air cleaner body and re move.  

(Cover carburetor opening to prevent entry of dirt).

•     Remove oil fi ll dipstick and cover opening to prevent 

entry of dirt.

•      Remove screws from blower housing and lift housing 

off engine.

•      Use compressed air or stiff  bristle brush to thoroughly 

clean engine cooling fi ns.

•      To reassemble, reverse above procedure.
•      Be certain carburetor tube, breather tube and gaskets 

are in place. 

Your engine will not run properly using a dirty air fi lter.  
Remove cartridge every 25 hours of operation and tap to 
clean. Replace paper car tridge once a year or after every 
100 hours of operation, more often if used in very dusty, 
dirty conditions.
•      Remove knobs and cover.
•     Remove foam pre-cleaner element by sliding it off of 

the paper cartridge. 

NOTE:  Do not attempt to clean or oil the paper cartridge. 
Replace paper cartridge once a year or after every 100 
hours of operation; more often if used in very dusty or dirty 
conditions.
•      Wash foam pre-cleaner in liquid detergent and water.
•      Wrap foam pre-cleaner in cloth and squeeze dry.
•     Lightly coat foam pre-cleaner with clean engine oil. 

Squeeze in towel to remove excess oil. Do not sat-
 u rate.

•      Install foam pre-cleaner over paper cartridge.
•      Reassemble cover and tighten knobs securely.