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9. Maintenance (PS-EX only)
English
■ OILING PORT
Dismount the guide bar and check the oiling port for
clogging. (MA1)
(1) Oiling port
■ GUIDE BAR
Remove sawdust in the bar groove and the oiling port.
(MA2)
(1) Groove
(2) Oiling port
(Type: Sprocket nose)
Grease the nose sprocket from the feeding port on the
tip of the bar. (MA3)
(1) Grease port
(2) Sprocket
The bar rail should always be a square. Check for wear
of the bar rail. Apply a ruler to the bar and the outside
of a cutter. If a gap is observed between them, the rail
is normal. Otherwise, the bar rail is worn. Such a bar
needs to be corrected or replaced.(MA4)
(1) Ruler
(2) Gap
(3) No gap
(4) Chain tilts
■ SPROCKET
Check for extensive wear, and replace it when the
teeth are worn over 0.3mm. (MA5)
(1) Sprocket
(1)
PS-EX
MA1
PS-EX
MA2
PS-EX
MA3
PS-EX
MA4
PS-EX
MA5