Echo 21560070 Instructions

contents
1 - Echomatic Nylon Line Head Assembly w/Standard 10 mm
x 1.25 Mounting Arbor
1 - 7 mm x 1.00 X 10 mm x 1.25 Mounting Stud (Bronze)
1 - 8 mm x 1.25 X 10 mm x 1.25 Mounting Stud (Silver)
1 - 10 mm x 1.25 X 10 mm x 1.25 Mounting Stud (Black)
1 - Husqvarna Line Head Arbor (Smooth - 12 mm dia. recess &
10 mm x 1.25 Threaded hole.)
1 - Stihl Line Head Arbor (2 Notches - 15 mm dia. recess - 10
mm x 1.0 Threaded hole.)
installation
Caution
Wear Gloves or personal injury may result:
• Cutoff knife is sharp.
• Gearcase and surrounding area may be hot.
1. Remove existing cutting attachment from unit following manufacturer's instructions.
iMPoRtant:
Remove old trimmer head adapters from power output shaft before installing new line head. DO
NOT remove upper adapter plate from gearcase.
2. See fit-up chart to identify threaded stud and mounting arbor required for your brand and model
trimmer.
3. Install new echomatic line head on unit:
Units requiring threaded stud to mount line head:
1. Lock gearcase power output shaft according to trimmer manufacturer's instructions.
2. Using color code, select threaded stud listed on fit-up chart for your brand and model trimmer.
3. Thread small end of threaded stud into gearcase output shaft by turning counterclockwise.
4. Thread line head onto threaded mounting stud, turning counterclockwise. Hand tighten.
5. Remove locking tool from gearcase.
Units that use line head with standard 10mm arbor.
1. Lock gearcase power output shaft according to trimmer manufacturer's instructions.
2. Thread line head onto power output shaft, turning counterclockwise. Hand tighten.
3. Remove locking tool from gearcase.
Units requiring new mounting arbor:
1. Remove spool (A) from drum (B) as shown in line reloading instructions. Place loose ends of line
in slots to prevent line from unraveling during arbor change.
2. Unscrew locknut (C) and remove small flat washer (D), white cam assembly (E, F), large flat
washer (G), and spring (H).
3. Remove old mounting arbor (I).
4. Select and install new arbor listed on fit-up chart for your brand and model trimmer.
5. Reassemble drum assembly spring, large flat washer, white cam assembly, small flat
washer, and locknut. Tighten locknut securely.
notE:
Push and hold white cam assembly (E, F) down to compress spring when installing small flat washer
and locknut.
6. Install spool in drum as shown in line loading instructions. Make sure loose ends of lines are pulled
free of retaining slots.
nylon line head instructions
Trimmer Line Head Mounting Stud Selection Chart
Size Mounting Stud
7 x 10 mm
10
8 x 10 mm
10
10 x 10 mm
10
Trimmer Line Head Mounting Arbor Selection Chart
Style Arbor Size
(STD) Standard*
10 x 1.25 mm
Smooth
(H) Husqvarna
10 x 1.25 mm
Smooth
(S) Stihl
10 x 1.0 mm
Notched
* - Standard 10 mm x 1.25 Arbor is preinstalled in line head.
21560070
Color Part Number
Bronze V216000070
7
Silver V225000240
8
Black V226000070
10
Recess Arbor Part Number
None X471000020
12 mm
X471000120
Diameter
15 mm
X471000130
Diameter
Locking
Tool