Maintenance - Black & Decker ST4500 Instruction Manual

English
This line is available at your local dealer or authorized
service center.
1. Disconnect the plug from the power source.
2. Remove the bump cap
depressing the two release tabs
spool housing 12 .
nOTE: It may be necessary to pull up on the bump cap
while depressing the release tabs one side at a time.
3. Remove the spool 20
4. Remove any broken cutting line
remaining line tight.
5. For best results, replace the spool
BLACK+DECKER model RS‑136.
6. Install the spool into spool housing
a. Pull the cutting line
below the edge of the recesses
nOTE: If the cutting line extends past the
recesses 26 , the spool will not fit into the
spool housing 12 .
b. Place the loose end of the cutting line
line anchoring slot
c. Use your hand to hold the cutting line
anchoring slot 27
cutting line 25 into the eyelet
spool 20 into the spool housing
nOTE: Ensure the spring
spool housing 12
d. If the spool 20 does not easily slide into the spool
housing, gently press and pull straight out on the
cutting line that protrudes through the eyelet
e. The cutting line 25
4" (102 mm) from the spool housing.
7. Once the spool 20 drops into the spool housing
align the release tabs
with the slots 22 in the spool housing and press the
bump cap 19 into place.
nOTE: Make sure that bump cap
listen for two audible clicks to ensure both release tabs
are correctly located. Power the appliance on. Gently
bump the trimmer on the ground while running at
normal speed and the line will feed to the proper length.
nOTE: Other replacement parts (guards, spool caps, etc.)
are available through authorized service centers. To find
your local service location call: 1‑800‑544‑6986 or visit
www.blackanddecker.com.
12
19 by pulling up while
18 on the sides of the
from the spool housing
25 and wrap the
20 with
12 as follows:
25 tight enough so that it sits
26 on the spool
25 through the
27 in the spool 20 .
25 in the
. Guide the loose end of the
23 and then slide the
12 .
24 is still in place in the
before installing the spool
should protrude approximately
18 on the bump cap 19
19 is fully positioned,
Reloading Spool with Bulk Line (Fig. Q—S)
Use Only .065" (1.65 mm) Round
Diameter Line
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 BLACK+DECKER
factory wound spools. For best results, factory wound spools
are recommended.
12 .
Do not overfill spool. The spool holds 20 feet (6 m) of line.
1. Disconnect the plug from the power source.
2. Start with an empty BLACK+DECKER RS‑136 spool
3. Locate the two holes
4. Insert the end of the bulk cutting line
1/8" (3 mm) into the one of the holes
winding the line around the spool.
20 .
5. Wind the cutting line onto the spool
of the arrow on the spool.
nOTE: Enure to wind the line neatly and in layers. Do
not crisscross.
6. When the wound cutting line reaches the recesses
on the spool, cut the line leaving approximately
4" (102 mm) of extra line.
7. Install the spool into spool housing
Replacing Spool Assembly.

MAINTENANCE

20 .

WARNING:
23 .
of serious personal injury, turn unit off and
disconnect it from power source before making
any adjustments or removing/installing
12 ,
attachments or accessories, when replacing line,
or prior to cleaning. An accidental start‑up can
cause injury.
Your BLACK+DECKER 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 regular cleaning.
Cleaning

WARNING:
all air vents with clean, dry air at least once a week.
To minimize the risk of eye injury, always wear ANSI
Z87.1 approved eye protection when performing
this procedure.

WARNING:
harsh chemicals for cleaning the non‑metallic parts
of the tool. These chemicals may weaken the plastic
materials used in these parts. Use a cloth dampened
only with water and mild soap. Never let any liquid get
inside the tool; never immerse any part of the tool into
a liquid.
28 on the spool 20 .
25 no more than
28 and begin
20 in the direction
12 as described in
To reduce the risk
Blow dirt and dust out of
Never use solvents or other
20 .
26