GB-28
EX2600
OILING PORT
Dismount the guide bar and check the oiling port for
clogging.
(1)
(1) Oiling port
GUIDE BAR
Remove sawdust in the guide bar groove and the oiling
port.
(1) Groove (2) Oiling port
(Type: Sprocket nose)
Grease the nose sprocket from the feeding port on the
tip of the bar.
(1) Grease port (2) Sprocket
The guide bar rail should always be a square. Check
for wear of the guide bar rail. Apply a ruler to the bar
and the outside of a cutter. If a gap is observed between
them, the guide bar rail is normal. Otherwise, the guide
bar rail is worn. Such a bar needs to be corrected or
replaced.
(1) Ruler
(2) Gap
(3) No gap (4) Chain tilts
DRIVE SPROCKET
Regularly check the degree of wear on the drive
sprocket.
Replace if wear is excessive.
(1)
(1) Drive Sprocket
OTHERS
Check for fuel leakage and loose fastenings or damage
to major parts, especially housing joints and guide bar
mounting. If any defects are found, make sure to have
them repaired before operating again.
9. Maintenance
(PS-EX2 only)
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