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RELOADING THE CUTTING LINE
When the cutting line breaks from the eyelet or the
cutting line is not released when the trimmer head is
tapped, you will need to remove the remaining cutting
line from the trimmer head and follow the steps below
to reload the line.
1. Remove the battery pack.
2. Press the release tabs on the trimmer head and
remove the lower cover assembly of the trimmer
head by pulling it straight out (Fig. H).
3. Remove the cutting line from the trimmer head.
4. Take the spring out of the spool assembly, if
necessary. Save it for reassembling.
5. Insert the spring into the slot in the lower cover
assembly (Fig. I).
6. With one hand holding the trimmer, use another hand
to grasp the lower cover assembly and align the
slots in the lower cover assembly with the release
tabs (Figure J). Press the lower cover assembly until
it snaps into place, at which time you will hear a
distinct click sound (Fig. K).
7. Follow the instructions in the "LINE REPLACEMENT"
section to reload the cutting line.
TRIMMER HEAD REPLACEMENT
WARNING:
If the head loosens after it is fixed in
position, replace it immediately.
Never use a trimmer with a loose cutting attachment.
Replace a cracked, damaged or worn out cutting head
immediately, even if damage is limited to superficial
cracks. Such attachments may shatter at high speed and
cause serious injury.
Familiarize yourself with the trimmer head (Fig. L).
Fig. L parts description see below:
L-1 Shaft
L-6
L-2 Bushing(2)
L-7
L-3 Upper Cover
L-8
L-4 Circlip
L-9
L-5 Spool Retainer
L-10
Remove the trimmer head
1. Remove the battery pack.
2. Press the release tabs on the trimmer head and
remove the lower cover assembly of the trimmer
head by pulling it straight out.
3. Remove the cutting line from the trimmer head.
4. Take the spring out of the spool assembly, if
5. Wear gloves. Use one hand to grasp the spool
6. Remove the nut, washer and spool retainer from the
7. Use circlip pliers (not included) to remove the circlip.
8. Replace with a new trimmer head and mount it in
Install the new trimmer head
1. Mount the two bushings on the motor shaft.
2. Align the flat slot in the upper cover with the flat in
Fig. N parts description see below
N-1 Flat
3. Mount the circlip, spool retainer, and washer in that
4. Following steps 4 and 5 in "RELOADING THE CUTTING
5. Follow the instructions in "LINE REPLACEMENT"
6. Start the tool to see whether the line trimmer
MAINTENANCE
Washer
Nut
the unit, stop the motor, wait for all moving parts to stop,
Spring
and remove the battery pack. Failure to follow these
instructions can result in serious personal injury or
Cutting Line
property damage.
Lower Cover Assembly
replacement parts. Use of any other parts can create a
hazard or cause product damage. To ensure safety and
reliability, all repairs, other than the items listed in these
maintenance instructions, should be performed by a
qualified service technician.
LINE TRIMMER ATTACHMENT — STA1600
necessary. Save it for reassembly.
assembly to stabilize it, and use the other hand to
hold a 13mm impact wrench (not included) to loosen
the nut in a CLOCKWISE direction (Fig. M).
motor shaft (Fig. L).
Remove the upper cover and two bushings from the
motor shaft (Fig. L).
following steps.
motor shaft and mount the upper cover into place
(Fig. N).
N-2
Flat Slot
order (Fig. L). Use an impact wrench on the nut to
tighten it COUNTERCLOCKWISE.
LINE" section in this manual to mount the lower
cover assembly.
section in this manual to reload the cutting line.
will work normally. If it does not, reassemble as
described above.
WARNING:
Before inspecting, cleaning or servicing
WARNING:
When servicing, use only identical
EN
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