13
ENGLISH
4.  Place spool and line into spool cap with line “parked” in slots 
provided.
5.  Insert the line end through the appropriate hole in the 
spool housing. Pull slack line through until it pulls out of the 
holding slots.
6.  Press the spool down GENTLY and rotate it until you feel it 
drop into place and then push to snap into place. (When in 
place, the spool will turn a few degrees left and right freely).
7.  Take care to keep the line from becoming trapped under 
the spool.
8.  Fit the spool onto the appliance as described in Replacing 
Spool Assembly.
Replacing Spool Assembly (Fig. K, L)
 
WARNING: The use of any accessory not 
recommended by STANLEYFATMAX for use with this 
appliance could behazardous.
 
WARNING: Do not use any blades, or any 
accessory or attachment other than those recommended 
by STANLEYFATMAX on this trimmer. Serious injury or 
product damage mayresult.
Reload nylon line (either bulk or prewound replacement spool) 
as shown in this manual.
USE ONLY 1.65 mm DIAMETER ROUND NYLON  MONOFILAMENT 
LINE. Do not use serrated or heavier gauge line, as they will 
overload the motor and cause overheating. This line is available 
at your local dealer or authorized servicecenter.
1.  Remove battery from appliance.
2.  Press the release tabs 
 19 
 on the spool cap 
 18 
,  and remove 
the spool cap from the spool housing 
 10 
(Figure K).
3.  For best results, replace spool and line with 
STANLEYFATMAX Model # STZST12169/STZST121693 
or replace cap only with STANLEYFATMAX 
Model#STZST1326.
4.  If lever in base of housing becomes dislodged, replace in 
correct position before inserting new spool intohousing.
5.  Remove any dirt and grass from the spool cap and 
spool housing.
6.  Unfasten the end of the cutting line and guide the line into 
the eyelet. 
7.  Take the new spool and push it onto the boss 
 20 
 in the 
housing. Rotate the spool slightly until it is seated.
8.  The line should protrude approximately 5-136mm from the 
housing.
9.  Align the release tabs on the spool cap with the slots in the 
spool housing.
10.  Snap the spool cap back on by depressing release tabs and 
pressing into spoolhousing.
11.  Push the cap onto the housing until it snaps securely 
intoplace.
NOTE: Make sure that cover is fully positioned, listen for two 
audible clicks to ensure both release tabs are correctly located. 
Power the appliance on. In a few seconds or less you’ll hear the 
nylon line being cut automatically to the proper length.
NOTE: Other replacement parts (guards, spool caps, etc.) are 
available through authorized service centers. 
Rewinding Spool from Bulk Line (use only 
1.65 mm ROUND diameter line) (Fig. A, M, N)
Bulk line is also available for purchase from your local retailer. 
NOTE: Hand wound spools from bulk line are likely to become 
tangled more frequently than STANLEYFATMAX factory wound 
spools. For best results, factory wound spools are recommended.
1.  Remove battery from appliance.
2.  Remove the empty spool from the appliance as described in 
Replacing Spool Assembly.
3.  Remove any remaining cutting line from the spool 
 21 
.
4.  Make a fold at the end of the cutting line at about 19 
mm. Feed the cutting line into one of the line anchoring 
slots
22
.
5.  Insert the 19 mm end of the bulk line into the hole 
 23 
 in 
the spool adjacent to the slot. Make sure the line is pulled 
tight against the spool.
6.  Wind the cutting line onto the spool in the direction of the 
arrow on the spool. Make sure to wind the line on neatly 
and in layers. Do not crisscross.
7.  When the wound cutting line reaches the recesses 
 24 
cut 
the line.
8.  Fit the spool onto the appliance as described in Replacing 
Spool Assembly.
MAINTENANCE
Your STANLEYFATMAX power tool has been designed 
to operate over a long period of time with a minimum of 
maintenance. Continuous satisfactory operation depends upon 
proper tool care and regularcleaning.
 
WARNING: To reduce the risk of serious 
personal injury, turn tool off and disconnect battery 
pack before making any adjustments or removing/
installing attachments or accessories. An accidental 
start-up can causeinjury.
The charger and battery pack are notserviceable.
Lubrication
Your power tool requires no additionallubrication.
Cleaning
 
WARNING: Blow dirt and dust out of the 
main housing with dry air as often as dirt is seen collecting 
in and around the air vents. Wear approved eye protection 
and approved dust mask when performing thisprocedure.