19
Maintenance (continued)
40
41
42
43
GUIDE BAR
The guide bar has a sprocket at its base that must be
lubricated with grease using a lubrication syringe (Fig. 40).
Reverse the guide bar every 8 working hours to ensure
uniform wear.
Keep the bar groove and lubrication hole clean using the
bar groove cleaner (Fig. 41).
Check the bar rails frequently for wear. If they are
sufficiently worn, remove the burs and square-up the
rails using the flat file (Fig. 42).
Never mount a new chain on a worn sprocket
(Fig. 43). Wear eye protection during maintenance.
AIR FILTER
Rotate the knob (A, Fig. 44) and check the air filter (B)
each time you use the chain saw. Wash the filter in a
clean, non-flammable detergent liquid (e.g. hot soap
water), then dry.
When refitting the air filter (B), fit it into the cover
(A) before reassembly.
44
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General