Cobra Electronics ST7100-CA Setting the Tool to Trimming or Edging Mode , 6, Trimming Mode

1			2
			5
17			6
	10
3		4
28		14
		16
		19/25
5			6
	10°
7	15	8	20
7
			19
	9		19
		18
		22	12
			11
9		20	10
	21	18

BossLever

Moyeu	Levier
19	21

OPERATING INSTRUCTIONS

CAUTION: To avoid tool damage, let the tool work at its own pace. Do not overload.

SETTING THE TOOL TO TRIMMING OR EDGING MODE (FIG. 5, 6 & 7)

The tool can be used in trimming mode as shown in Fig. 5 or in edging mode to trim overhanging grass along lawn edges and flower beds as shown in Fig. 6.

CAUTION: To avoid tool damage, do not use the heavy duty cutting system for edging.

TRIMMING MODE (FIG. 5 & 6)

For trimming, the trimmer head should be in the position shown in Fig. 5. If it is not:

•Depress the adjustment button (7).

•Rotate the head (9), while releasing the button.

•When the head is in position, the button will lock into place. Note: The head will only rotate in one direction.

EDGING MODE (FIG. 6)

For edging, the trimmer head should be in the position shown in Fig. 6. If it is not:

•Depress the adjustment button (7).

•Rotate the head (9), while releasing the button.

•When the head is in position, the button will lock into place.

Note: The head will only rotate in one direction.

CAUTION: To avoid tool damage, do not use the heavy duty cutting system for edging.

ADJUSTING THE HEIGHT OF THE TOOL (FIG. 7)

This tool has a telescopic mechanism, allowing you to set it to a comfortable height. There are three height settings.

To adjust the height setting, proceed as follows:

•Depress the adjustment button (7).

•Gently pull the tube (15) in or out of the motor housing (9) to the desired height, while releasing the button.

•When the tube is in position, the button will lock into place.

SWITCHING ON AND OFF

•To switch the tool on, squeeze the trigger lever (1).

•To switch the tool off, release the trigger lever.

WARNING: To avoid serious injury, never attempt to lock the trigger lever in the on position.

HINTS FOR OPTIMUM USE

GENERAL

• In order to achieve optimum cutting results, only cut dry grass.

TRIMMING

•Hold the tool as shown in Fig. 5.

•Gently swing the trimmer from side to side.

•When cutting long grass, work in stages from the top. Take small cuts.

•Keep the tool away from hard objects and delicate plants.

•If the tool starts running slowly, reduce the load.

EDGING

Optimum cutting results are achieved on edges deeper than 2 inches.

•Do not use the tool to create edges. To create edges, use an edging spade.

•Guide the tool with edge guide on hard surface as shown in Fig. 6.

•To make a closer cut, slightly tilt the tool.

MAINTENANCE

WARNING: To avoid serious injury, switch off and unplug the tool before performing any maintenance.

Your 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.

•Regularly clean the ventilation slots in your tool using a soft brush or dry cloth.

•Regularly clean the cutting line and spool using a soft brush or dry cloth.

•Regularly use a blunt scraper to remove grass and dirt from the underneath of the guard.

11

24

23

23

12
25
	28
27	26

FITTING A NEW SPOOL OF AFS CUTTING LINE (FIG. 8 & 9)

Complete cassettes containing a spool of cutting line are available from your Black & Decker Service Center (part no. AF7100-CA).

•Unplug the tool.

•Depress the tabs (18) and remove the cassette (19) from the cassette housing (12) in the trimmer head. Fig. 8.

•Grasp empty spool (20) with one hand and cassette with other hand and pull spool out from cassette. If lever in base of cassette becomes dislodged, replace in correct position before inserting new spool into cassette.

•Remove any dirt and grass from the cassette and housing.

•Take the new spool and push it onto the boss (Fig. 9) in the cassette. Rotate the spool slightly until it is seated.

•Unclip the end of one of the cutting lines and guide the line into one of the eyelets (21). Fig. 9. The line should protrude approx. 4-3/8 in. from the cassette.

•Unclip the end of the other cutting line and guide the line into the other eyelet. The line should protrude approx. 4-3/8 in. from the cassette.

•Align the cassette tabs (18) with the slots (22) in the housing. Fig. 8.

•Push the cassette onto the housing until it snaps securely into place.

CAUTION: To avoid tool damage, If the cutting lines protrude beyond the trimming blade (11), cut them off so that they just reach the blade.

ASSEMBLY INSTRUCTIONS

ASSEMBLY

WARNING: To avoid serious injury, make sure that the tool is switched off and unplugged before assembly.

FITTING THE GUARD (FIG. 1)

•Remove the screw (17) from the guard (10).

•Place the guard onto the tool as shown.

•Firmly press the guard until it snaps into place.

•Secure the guard with the screw.

WARNING: To avoid serious injury, never use the tool unless the guard is properly fitted.

FITTING THE SECONDARY HANDLE (FIG. 2)

•Place the handle (5) on the tool as shown.

•Adjust the handle to the most comfortable position. Use the markings as a guide.

•Pass the bolt (6) through the secondary handle and the main handle.

•Screw the bolt into the far side of the secondary handle. Do not overtighten the bolt.

STORING THE CASSETTE NOT IN USE (FIG. 3)

The tool has two cutting system cassettes:

•AFS: Autofeed System twin line for light trimming and edging.

•HDL: Heavy Duty Line cutting system for more overgrown areas.

The cutting system cassette not in use can be stored in the position provided (16).

•Align the tabs on the cassette with the cut outs (28) at the underside of the handle.

•Push the cassette into the handle until it snaps securely into place.

STORING THE HEAVY CUTTING LINE (FIG. 3)

•The unit is supplied with several pieces of spare heavy cutting line.

•The extra pieces of heavy cutting line can be stored securely in the recess in the handle (14).

RELEASING THE CUTTING LINE

For shipment purposes, the cutting line is taped to the spool housing.

• Remove the tape holding the cutting line (13) to the spool housing (12).

CONNECTING THE TOOL (FIG. 4)

•Connect the female plug of a suitable extension cord to the power inlet (4).

•Loop the cord through the cord restraint (3).

•Insert the plug into a receptacle.

WINDING NEW LINE ONTO AN EMPTY SPOOL (FIG. 10 &11)

You may wind new cutting line onto an empty spool. Replacement packs of 0.050” cutting line are available from your Black & Decker Service Center.

•Remove the empty spool from the tool as described above.

•Remove any remaining cutting line from the spool.

•First wind new line onto the uppermost part of the spool.

-Feed 3/4 inch of cutting line into one of the line anchoring slots.

-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 criss-cross. Fig. 10.

-When the wound cutting line reaches the recesses (24), cut the line. Fig. 11.

-Temporarily park the line in the holding slots (23) on one side of the spool as shown in the inset in Fig. 11.

•Repeat the above procedure for the second cutting line on the lower section of the spool.

•Fit the spool onto the tool as described in Fitting a New Spool of Cutting Line.

CAUTION: Before you begin trimming, only use the appropriate type of Black & Decker cutting line. Ensure that cutting line is present in both sections of the spool. Fig. 9.

FITTING THE HDL CASSETTE (FIG. 12)

Your trimmer is shipped with the AFS cassette installed. To fit the HDL (Heavy Duty Line) cassette, proceed as follows:

•Unplug the tool.

•Keep the tabs (18) depressed and remove the AFS cassette (19) from the cassette housing (12) in the trimmer head. Fig. 8.

•Make sure a piece of heavy cutting line is correctly fitted to the HDL cassette, as described in Fitting a New Piece of Heavy Duty Cutting Line below. Fig. 12.

•Align the tabs on the HDL cassette with the slots (22, Fig. 8) in the cassette housing.

•Push the HDL cassette into the housing until it snaps securely into place.

FITTING A NEW PIECE OF HEAVY DUTY CUTTING LINE (FIG. 12)

Replacement pieces of heavy duty cutting line are available from your Black & Decker Service Center (part no. HDL-CA). To fit a new piece of cutting line, proceed as follows:

•Unplug the trimmer from its power source.

•Depress the tabs (28) and remove the HDL cassette (25) from the cassette housing (12, Fig. 8) in the trimmer head.

•Remove the used piece of line from the cassette.

•Remove any dirt and grass from the cassette and housing.

•Thread a new piece of line (26) through the holes in each side of the cassette.

•Place the metal ferrule (27) in position as shown.