Craftsman 25cc - Propane Curved Shaft Trimmer Powered by Lehr Operation Manual page 17

MAINTENANCE
ll BrUSH CUTTer BlaDe remoVal / inSTallaTion
1.Remove the cotter pin (Fig. 38).
Cotter Pin
2. Insert an allen key into the hole in the shroud to
lock the shaft. Remove the left-hand thread nut to
dissasemble with tool provided in the tool kit (Fig. 39).
Hole
3. Remove in the sequence shown (Fig. 40).
Clamp Plate
Star Washer
Left-Hand Thread Nut
• For reassembly, install all components in the correct
sequence ( Fig. 40).
• Tighten the left-hand thread nut until snug and install
a new cotter pin.
Left-Hand Thread Nut
Loosen
Fig. 38
Fig.39
Brush Cutter Blade
Fig.40
GUarD CHanGe
NOTE: When using the brush cutter blade remove
the bottom shield attachment by removing the screw.
Replace when using line trimmer head (Fig. 41).
Fig. 41
roCKer arm ClearanCe aDJUSTmenT
This requires partial disassembly of the engine. If you
feel unsure or unqualified to perform this, take the unit
to an authorized service center.
1. Remove the four screws on the engine cover with a
phillips head screw driver (Fig. 42).
2. Remove the engine cover.
3. Disconnect the spark plug wire.
4. Clean dirt from around the spark plug. Remove the
spark plug by using tool provided, turn CCW.
NOTE: Inspect the valve to rocker arm clearance with
`
a feeler gage after the first 25 hours of operation. The
engine must be cold when checking or adjusting the
valve clearances. This task should be performed in a
clean dust free environment.
Engine cover
screws
Fig.42
LEHR |
ALL RIghTS ReSeRved 2008-2009
Screw
Cutting Attachment
Sheild
Bottom Shield
Attachment
Engine cover
screws
17