Shindaiwa 81714 User Manual

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The C3410 is shipped with Holder A, the 

blade retainer (safety clip), Holder B, shaft 

bolt, and bolt guard installed. The shaft bolt is 

a LEFT-HAND thread. Remove it by turning 

CLOCKWISE!

1.  With the gear case output shaft facing 

up, rotate the gearshaft and holder A 

until the hole in holder A aligns with the 

matching hole in the gear case flange, 

and then lock the holder to the gear by 

inserting the long end of the hex wrench 

through both holes. See Figure 10.

.  Using the combination spark plug/

screwdriver wrench, remove the shaft 

bolt and bolt guard. See Figure 10.

Make sure holder B is installed on the gear- 

case with the splined hole engaging the gear-

case shaft.

3.  Using the hex wrench to secure Holder 

A , install and hand-tighten the trimmer 

head (counter-clockwise to install).  

See Figure 11.

5.  Remove the hex wrench from the gear 

case and holder.