Shindaiwa 81359 User Manual

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Turn the C242 upside down so the gear 
case output shaft is facing UP and  
remove the shaft bolt, bolt guard and 
holder B from the gear case shaft.
1.  Align the hole in blade holder A with the 
matching hole in the gear case flange 
and then temporarily lock the output 
shaft by inserting a hex wrench  
through both holes.  
See Figure 12.
2.  Fit the blade over the flange on holder 
A. See Figure 13.
Installing a Blade 
CAUTION!
Install the blade so its printed surface 
is visible to the operator when the 
brushcutter is in the normal operating 
position.
 
WARNING!
The blade must fit flat against the 
holder flange. The blade mounting hole 
must be centered over the raised boss 
on blade holder A.
IMPORTANT!
Both holders must be flat against the  
surface of the blade.
3.  Install blade holder B on the output 
shaft. See Figure 13. 
4.  Install the bolt guard and then the blade 
retaining bolt. Using the combination 
spark plug wrench/screwdriver, tighten 
the bolt firmly in a counter-clockwise 
direction. The holder B must fit flush 
against the blade.
5.  Remove the hex wrench.
Shaft Bolt
Bolt Guard
Holder B
Output Shaft
Holder A
  Figure 12
Blade
Hex Wrench
Blade Holder B
Tighten the assembly (blade 
not shown for clarity)
 
 
Figure 13
Output  
Shaft
The C242 should now be com-
pletely assembled and  
ready for use with a blade.
Hex 
Wrench
 
WARNING!
Holder B must fit flush against the 
blade with the splines engaged to the 
output shaft.