Use and Care Manual

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OPERATING MANUAL

REPLACING THE STRING TRIMMER HEAD

MODEL NUMBER AH1501

This Replacement String Trimmer Head is exclusively compatible with

EGO POWER+ String Trimmer STA1500.

DANGER: 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

damaged is limited to superﬁcial cracks. Such attachments may shatter at high speed and cause serious

injury.

WARNING: Always remove the battery pack from the product when you are assembling parts,

making adjustments, cleaning, or when the product is not in use.

Flange

Flange Cover

Plain Washer

Nut

Slot in the Flange

Spool Base

Spring

Cutting Line

Spool Retainer Assembly

Remove the trimmer head

1. Remove the battery from the Power Head.

2. Press the 2 release tab on the spool retainer to remove it (Fig. 2 & 3).

3. Pull the spring out of the spool base (Fig. 4).

4. Rotate the spool base to align the slot in the ﬂange with the hole in the gear case (Fig. 5)

5. Insert the hex wrench provided into the aligned holes to act as a stabilizer (Fig.6). Use the

multifunction wrench provided to loosen the nut in the direction of the arrow marked on the spool

base inside housing, and then remove it (Fig. 7 ).

6. Remove the plain washer from the motor shaft and save it for reassembly (Fig. 8).

7. Hold the spool base and pull it straight out from the motor shaft (Fig. 9).

8. Remove the ﬂange cover and then remove

the ﬂange from the motor shaft (Fig. 10).

Check and replace them if they are worn.

Install the new trimmer head

1. Position the ﬂange removed in step 8 of the

“Remove the trimmer head” section onto the

motor shaft with the bulge facing away from

the base (Fig. 11).

2. Position the ﬂange cover onto the ﬂange with

its ﬂat surface facing outwards (Fig. 12).

3. Align the mounting hole in the new spool base with the motor shaft, and then mount the new spool

base onto the shaft.

4. Position the plain washer onto the motor shaft (Fig. 8).

5. Mount the nut onto the shaft, and pre-tighten it COUNTERCLOCKWISE by hand.

6. Rotate the spool base to align the slot in the ﬂange with the hole in the gear case (Fig. 5).

7. Insert the hex wrench provided into the

aligned holes to act as a stabilizer (Fig.6).

Use the multifunction wrench provided to

tighten the nut securely onto the shaft (Fig.

13).

8. Position the spring into the spool base and

press it in place (Fig. 4).

9. With one hand holding the spool base, use the other hand to grasp the new spool retainer and align

the tabs on the new spool retainer with the holes in the spool base. Use your palm to press and

rotate the new spool retainer left and right until the tabs lock with the spool base (Fig. 14 & 15).

10. If any parts of the spool retainer assembly are damaged or worn, replace the damaged part and

reassemble them as following showing (Fig. 16).

Wind the spool with new line

NOTICE: Always use the recommended nylon

cutting line with a diameter that does not exceed

0.095 in. (2.4 mm). Using line other than that

speciﬁed may cause the string trimmer to overheat

or become damaged.

WARNING: Never use metal-reinforced line,

wire, or rope, etc. These can break off and become

dangerous projectiles.

WARNING: To prevent serious personal

injury, remove the battery pack from the power head before servicing, cleaning, changing attachments or

removing material from the unit.

1. Remove the battery pack.

2. Remove the remaining cutting line, if necessary. Simply pull it out by hand.

3. Rotate the spool retainer in the direction indicated by the arrow, as necessary, to align the LOAD line

on the spool retainer with the eyelets in the spool base (Fig. 17).

4. Cut one piece of cutting line 16 ft. (5m) long. Insert the line into the mounting hole located inside the

eyelet. Push the line until the end of the line comes out of the other side of the spool base. Pull the

line from the other side until equal amounts of line appear on both sides of the spool (Fig. 18).

5. Press while rotating the spool retainer in the direction indicated by the arrow in order to wind the

cutting line onto the spool until approximately 5.5 in. (14cm) of line is showing on each side (Fig.

19).

6. Push the spool retainer down while pulling

on the lines to manually advance the line and

to check for proper assembly of the trimmer

head.

Spool Retainer

Spool Base

Release tab

Stabilizer

Alignment

LOAD Line

Eyelet

Arrow Direction

Mounting Hole

inside the Eyelet

5.5" (14 cm)

Spring

Nut

Spool Base

Gear Case

Aligned Shaft-locking Holes

Multi-function

Wrench Provided

Arrow

Motor Shaft

Plain Washer

Spool Base

Motor shaft

Flange Cover

Flange

Bulge facing away from the base

Flat surface facing outwards

Spool Retainer Assembly

Slot Cover

Wire Holder

Screws

Location Housing

Head Housing

Summary of content (3 pages)

PAGE 1
5. Insert the hex wrench provided into the aligned holes to act as a stabilizer (Fig.6). Use the multifunction wrench provided to loosen the nut in the direction of the arrow marked on the spool base inside housing, and then remove it (Fig. 7 ). 6 Stabilizer 7 Arrow Multi-function Wrench Provided 9. With one hand holding the spool base, use the other hand to grasp the new spool retainer and align the tabs on the new spool retainer with the holes in the spool base.
PAGE 2
8. Placez le ressort dans la base de la bobine et appuyez dessus pour le fixer(Fig. 4). d’engrenage(Fig. 5). 5. Insérez la clé hexagonale dans les trous alignés pour qu’elle agisse comme stabilisateur (Fig. 6). 6 Stabilisateur 7 Flèche Clé multifonction fournie 9. Tenez la base de la bobine d’une main et, de l’autre, prenez le nouveau dispositif de retenue de la bobine. Alignez les languettes du nouveau dispositif de retenue de la bobine sur les trous de la base de la bobine.
PAGE 3
8. Coloque el resorte en la base del carrete y presiónelo en su lugar(Fig. 4). (Fig. 5). 5. Inserte la llave hexagonal provista en los orificios alineados para que actúe como estabilizador 6 Estabilizador 7 Flecha Llave multiuso provista MANUAL DE FUNCIONAMIENTO 9. Use una mano para sostener la base del carrete y, con la otra, sujete el contenedor del carrete nuevo y alinee las lengüetas del contenedor del carrete nuevo con los orificios de la base del carrete.