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1 FULL VtEW ]
I SIDE VIEW I
File Holder
1FRONT VIEW 1
"-Guide Bar
& Chain
Figure 23
Outside
/
Inside_
Figure 24
GUIDE BAR MAINTENANCE (Fig. 28 & 29)
Conditionswhichrequireguide bar maintenance:
• saw cutstoone side orat an angle.
• saw has to be forced through the cut.
• inadequate supply of oilto the bar and chain.
Check theconditionof the guide bar each time the chain is
sharpened, A wornguide bar will damage the chain and
make cuttingdifficult.
• Move on/stop switch to the "Stop _position.
• Remove bar and chainfrom saw.
• Clean all saw dust and any other debris from the guide
bar groove and guide bar lubrication hole. Figure 28.
• Lubricateguide bar hole sprocketafter each use. Figure
28.
• Burring of bar rails is a normal process of guide bar rail
wear. Remove these burrs by filing guide bar rail side
edges square with a flat file. Figure 29.
• Restore squareedges to an uneven rail top by filing with
a flat file. Figure 29.
RemoveSawdust l_f'
FromGuideBar Groove _ j_7_
- Sprec_t Hole
CRRFTSMRN"•
I
I
30o
Cutters Same
2e°o ,
n
File
Holder
Figure 25
t Remove Damage
Side Plate TopPlate
Figure 26
Figure 28
Replace theguide bar when:
• the inside grooveof the guide bar rails is worn.
• the guide bar isbent or cracked.
• excess heating orburring of the rails'is noted.
If replacement is necessary, use only the repiacernent
reduced kickback guide bar specified for your saw in the
repair parts list or as specified on the replacement bar and
chain decal locat_ Onthe chain saw.
Correct Worn Grooves
Groove
File Edges
Square
Figure 29
Figure 27
-19-