Homelite UT21947 String Replacement, Cleaning The Exhaust Port, Spark Arrestor, Maintenance, Page

Models: UT21907 UT21947 UT21506 UT21546

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STRING REPLACEMENT

MAINTENANCE

STRING REPLACEMENT

See Figures 13 - 16.

Stop the engine and disconnect the spark plug wire. Hold the string head and unscrew the spool retainer.

To remove the spool retainer:

Turn the spool retainer counterclockwise for MightyLite 26CS.

Turn the spool retainer clockwise for MightyLite 26SS.

Remove the spool from the string head.

NOTE: Keep the spring attached to the spool. Remove any old string remaining on the spool.

n For the MightyLite 26CS: Cut one piece of trimmer line 9 ft. long. Find the hole in the center of the spool (figure 14). Insert one end of the line into the hole. Carefully wind the string in the direction indicated on the top of the spool. Nearing the end of the string, slide the end of the string into the nearest open slot on the spool. Do not overfill.

SPOOL

Slots

Fig. 13

For the MightyLite 26SS: Cut one piece of trimmer line 18 ft. long. Find the middle of the string section. Loop the string around the hook in the center of the spool (figure 15). Carefully wind the string in the direction indicated on the top of the spool. Nearing the end of the string, slide one end of the string into each slot of the spool. Do not overfill.

Replace the spool and the spool retainer. Refer to Spool Replacement earlier in this manual.

CLEANING THE EXHAUST PORT

Depending on the type of fuel used, the type and amount of lubricant used, and/or your operating conditions, the exhaust port may become blocked with carbon deposits. If you notice a power loss with your gas powered tool, you may need to remove these deposits to restore performance. We highly recommend that only qualified service technicians perform this service.

MIghtylite 26Cs string head

hole

SLOT

Fig. 14

 

 

 

MIghtylite 26ss string head

hook

 

SPARK ARRESTOR

The spark arrestor must be replaced every 50 hours or yearly to ensure proper performance of the product. Spark arres- tors may be in different locations depending on the model purchased. Please contact the nearest service dealer for the location of the spark arrestor for your model.

slot

Fig. 15

 

SLOTS

PULL

 

strings to

 

secure

 

 

Fig. 16

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Homelite UT21947, UT21546 String Replacement, Cleaning The Exhaust Port, Spark Arrestor, Maintenance, See Figures, Page