Craftsman 172.74815 User's Manual | Page 12

Craftsman Trimmers User's Manual - 172.74815.
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22

      

WARNING: To avoid injury, ALWAYS turn off and disconnect the trimmer

from the power outlet BEFORE installing line, cleaning the trimmer or making 

any adjustments.

!

      

WARNING: To avoid damage or electric shock, DO NOT use strong 

solvents or detergents on the plastic housing or plastic components. Certain 

household cleaners may damage plastic and may also cause a shock hazard.

!

CLEANING

Wipe the outside of the trimmer with a dry, soft cloth.

DO NOT hose down or wash the trimmer with water.  

Scrape the guard and spool 

area to remove dried clippings and mud. Brush or blow dust, debris and grass clippings 

out of the air vents 

ALWAYS

 keep the air vents free from obstruction when operating the trimmer.

      

WARNING: To avoid injury, ALWAYS turn off and disconnect the trimmer 

from the power outlet BEFORE installing line, cleaning the trimmer or making 

any adjustments.

!

GENERAL MAINTENANCE
Keep your trimmer clean and in good repair for maximum long-lasting performance. Before 

each use, inspect the switch and cord for damage. 
Check for damaged, missing, or worn parts. Check for loose screws, misalignment, moving 

parts that are jammed, or any other conditions that may affect the operation.  If abnormal 

vibration or noise occurs, turn off the tool immediately and have the problem corrected 

before further use. 
DO NOT

 use the trimmer if it has any broken parts. Have damaged, missing, worn 

or broken parts replaced before using trimmer.

23

      

WARNING: The use of attachments or accessories (cutting line) that 

are not recommended for this tool will be dangerous and can result in serious 

personal injury. Do not attempt to use fishing line or other lines that are not 

recommended.

!

      

WARNING: To avoid injury, ALWAYS turn off and disconnect the trimmer 

from the power outlet BEFORE installing line, cleaning the trimmer or making 

any adjustments.

!

REPLACEMENT SPOOLS

Replace the spool with a new pre-wound spool (Craftsman Spool 71-85967). 

REPLACEMENT CUTTING LINE

If you are replacing the cutting line, ONLY use nylon monofilament single-wound 0.065 line 

(Craftsman Cutting Line 71-85822). 

Line and spools are available at Sears Stores or other Craftsman outlets.  

Visit your local Sears store or other Craftsman outlets or shop sears.com/craftsman.

When turning the trimmer ON for the first time a small length of line will automatically 

be fed out of the spool. To extend the line out to the full 12-inch cutting path, it will be 

necessary to start the trimmer and completely stop the trimmer approximately 

4 to 5 times. Each time during this operation the line will be 

extended approx. ¼ to ½-inch (See Fig. 15). Continue 

extending the line until it comes into contact with the 

line cutter on the guard (See Fig. 16). A “clattering” 

noise will be heard when the line hits the cutter. 

This is normal. The line will automatically cut.
During use, the tip of the nylon line will become 

frayed and worn. Cutting line will wear faster and 

require more feeding if the cutting, trimming and 

edging is done by abrasive surfaces such as 

concrete sidewalks, driveways or heavier weeds. 

To feed more line, stop the trimmer completely 

and restart it (4 to 5 times as explained above), 

until the line comes in contact with the line 

cutter on the guard.
DO NOT BUMP

 unit on ground in 

attempt to feed line or for any 

other purposes.

If required, line can be fed out manually. To manually feed line, press and release manual 

line feed button (See Fig. 17) and gently pull out the line until line reaches the line cutter.

If the line extends past the line cutter, too much line has been fed out. 

If too much line has been fed out, remove spool cap (See Page 23, Fig. 18) and with 

one hand rotate the spool counterclockwise until it is stopped. Hold the spool in place, 

press the manual line feed button, rotate the spool, then release the button. 

The line should be shorter. Repeat these steps until the line is at the correct length, 

and even with the line cutter on the guard.

For easy spool replacement we recommend using 71-85937, automatic feed 

replacement spool and 0.065 cutting line. It is factory wound for maximum reliability.
 1.  Remove the battery pack from the trimmer.

 2.  Press the release tabs on the spool head cover and 

      remove cover, pulling it straight off of spool.

 3.  Lift the spool out of the spool housing. 

 1.  Replace the spool with a new factory pre-wound spool, 

      Craftsman 71-85937.
 2.  Place the replacement spool into the cut-out areas 

      of the spool, to line up with the one eyelet on the 

      spool housing. Press it down gently until you 

      feel it snap into place in the 

      spool housing.

 

3.  Take the cutting line out of the rail 

      notch on the spool and feed a small length 

      through the eyelet (approximately 1½ inches).

 

4.  Snap the spool head cover back on the spool 

      housing and at the same time make sure 

      that the 1 ½ inch of line is released from the 

      spool rail notch and is through the eyelet 

      and exposed outside the spool head.

The Automatic Line Feed System will advance the 

line to the correct length when you operate the trimmer.

You may wind new cutting line onto the empty spool. Only use 0.065 inch (1.65 mm) 

twisted (helical or spiral) shaped, not round, line for auto feed. We recommend 

Craftsman Professional 0.065-in. replacement trimmer line, Extra Quiet spiral, 

in packs of 40 ft., 71-85760. 

 

1.   Remove the empty spool from the tool as described 

      in “TO REPLACE CUTTING LINE”.

2.   Remove any remaining cutting line from the spool.

3.   Wind new line onto the spool; Feed 3/4 inch of 

      cutting line into the anchoring slot. Wind the cutting 

      line onto the spool in the direction of the arrow 

      on the spool. Make sure to wind the line neatly and 

      in layers. Do not crisscross (see Fig. 19).

4.   When the wound cutting line reaches the recess, 

      cut the line. Temporarily park the line in the holding 

      slot on the side of the spool as shown in Fig. 19.

5.   Fit the spool onto the tool as described in 

      “REPLACE  THE SPOOL”. 

AUTOMATIC LINE FEED SYSTEM (Fig. 15 and 16)

TO MANUALLY FEED THE LINE (Fig. 17)

TO REPLACE CUTTING LINE (Fig. 18)
REMOVE THE SPOOL

REPLACE  THE SPOOL

FILLING  SPOOL WITH CUTTING LINE (Fig. 19)

OPERATION cont.

OPERATION cont.

Fig. 17

Fig. 16

Line

Cutter

Fig. 15

Fig. 18

RIGHT

WRONG

Fig. 19

      

WARNING: To avoid injury, ALWAYS 

remove the battery from the trimmer 

BEFORE installing parts or cleaning the 

trimmer or making any adjustments.

!

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