contents
1 - Shindaiwa High Capacity Manual Trimmer
Head 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)
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 required for your model trimmer.
3. Install new line head on unit:
Models 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 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.
Models 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.
to advance line
1. Shut engine off, and disconnect spark plug wire. Lay unit on ground with trimmer head assembly up.
2. Hold drum and turn knob clockwise several turns to allow spool to disengage pegs from drum.
3. Pull out on spool and rotate counterclockwise to feed additional trimmer line through eyelets. Each index hole
will feed about 38 mm (1 1/2 in.) of line.
99922201521
10/12
78890-40000B
nylon line head instructions