10
plastIc shIeld InstallatIon
 CAUTION 
Wear Gloves or personal injury may result:  
• Cutoff knife is sharp.
• Gearcase and surrounding area may be hot.
  1.  Remove wing nut (A), washer (B), and bolt (C).
  2.  Snap the shield over the bearing housing.
   3.  Install bolt (C), washer (B), and wing nut (A).
nylon lIne head InstallatIon
  1.  Remove plastic threaded shaft sleeve from threaded PTO shaft.
  2.  Align locating hole in upper plate with hole in bearing housing and 
insert locking tool (D).
  3.  Thread cutting attachment onto shaft clockwise until head is tight.
IMPORTANT  
Remember to remove the locking tool.
IMPORTANT
Semi-automatic nylon line heads must be used only with plastic 
debris shield with cut-off knife. 
C
B
A
D
to advance trImmer lIne
See Maintenance Section for nylon line replacement.
NOTE
To advance trimmer line, tap trimmer head against the ground 
while the head is turning at normal operating speed.