Operation - Black & Decker ST4500 Instruction Manual

English
Installing the Edge Guide (Fig. E, F)
1. Locate the edge guide
in Fig B so it will attach to the motor housing
2. Insert the two edge guide ends
holes 14 on the motor housing
3. DO NOT insert the edge guide ends into the fan
slots as shown in
Fig C
Attaching the Auxiliary Handle (Fig. E)
The auxiliary handle is shipped with the handle screw
partially threaded in to prevent loss.
1. Remove the handle screw
screwdriver.
2. Slide the auxiliary handle
3. Insert the handle screw
auxiliary handle 5 and the main housing
securely tighten using a crosshead screwdriver.
Installing the Guard (Fig. E, F)

WARNING:
Damage or personal injury could result.

WARNING:
APPLIANCE WITHOUT GUARD FIRMLY IN PLACE.
The guard must always be properly attached on the
appliance to protect the user.
1. Remove the guard screw
2. Slide the guard onto the motor housing
3. Align the hole in the guard with the hole in the
motor housing.
4. Using a crosshead screwdriver, insert the guard screw
and tighten securely.
5. Once the guard is installed, remove the covering from the
line cut‑off blade, located on the edge of the guard.
Attaching Extension Cord (Fig. G)
An extension cord retainer
that prevents the cord from coming unplugged.
• To use this feature, simply double the extension cord
about 8" (203 mm) from the end, and insert it into the
slot 17 in the end of the handle area as shown in Fig. G.
• Hook the loop formed by doubling the cord over the
extension cord retainer
insure that it is firmly retained in the main handle.
• Plug the receptacle end of the extension cord into the
power cord plug 3 in the main handle.
Releasing the Cutting Line (Fig. A)
In transit, the cutting line is taped to the spool housing
• Remove the tape holding the cutting line to the spool housing.
10
10 and spread it apart as shown
9 .
13 into the retaining
9 .
.
15 with a crosshead
5 onto the main housing
15 through the
6 and
Never remove the guard.
NEVER OPERATE
16 .
9 .
2 is built into the main handle
2 . Gently tug on the cord to

OPERATION


WARNING:
personal injury, turn unit off and disconnect
it from power source before making any
adjustments or removing/installing attachments
or accessories, when replacing line, or prior to
cleaning. An accidental start‑up can cause injury.

WARNING:
15
protection that conforms to ANSI Z87.1 (CAN/CSA
Z94.3) while operating this appliance.

CAUTION:
6 .
use the appropriate type of cutting line.

CAUTION:
remove any wire, cord, or string‑like objects which
could become entangled in the rotating line or spool.
Be particularly careful to avoid any wire which might
be bent outwardly into the path of the appliance, such
as barbs at the base of a chain link fence.
Proper Hand Position (Fig. J)

WARNING:
personal injury, ALWAYS use proper hand position
as shown.

WARNING:
personal injury, ALWAYS hold securely in anticipation
16
of a sudden reaction.
Proper hand position requires one hand on the main
handle 4 and one hand on the auxiliary handle
Switching Trimmer On and Off (Fig. A)

WARNING:
trigger in the on position.
1. To turn the appliance on, squeeze the trigger
2. To turn the appliance off, release the trigger.
Bump Feed Trimmer Line Feed
Your trimmer uses .065" (1.65 mm) diameter, round nylon
cutting line. During use, the tips of the nylon lines will
become frayed and worn. Cutting line will wear faster and
require more feeding if the cutting or edging is done along
sidewalks or other abrasive surfaces or heavier weeds are
being cut.
12 .
As you use the trimmer, the cutting line will get shorter due
to wear. Gently bump the trimmer on the ground while
running at normal speed and the line will feed.
nOTE: Extending cutting line beyond the 12" (305 mm)
swath will negatively affect performance, runtime, and the
life of the trimmer due to potential of damaging the motor.
Doing so may also void the warranty.
To reduce the risk of serious
Always use proper eye
Before you begin trimming, only
Inspect area to be trimmed and
To reduce the risk of serious
To reduce the risk of serious
5 .
Never attempt to lock the
1 .