26
CS-550P
Worn : 0.5 mm (0.02 in.)
Groove
Oil hole
GUIDE BAR
• Clean before using.
- Clean the groove of the guide bar with a small
screwdriver.
- Clean oil holes with a wire.
• Reverse guide bar periodically.
• Check sprocket and the clutch and clean the bar
mount area before installation of the bar.
Replace either or both if worn.
SPROCKET
• A damaged sprocket will cause premature
damage or wear of saw chain.
- When the sprocket has worn out 0.5 mm (0.02
in.) or more, replace it.
• Check sprocket when you install new chain.
Replace it if worn.
CYLINDER FINS
• Check periodically.
• Clogged fins will result in poor engine cooling.
• Remove dirt and dust from between fins to let
cooling air pass easily.
MUFFLER SPARK ARRESTOR
• Remove air cleaner cover and remove spark
plug lead.
• Remove spark arrestor screen cover and screen
from muffler body.
• Clean carbon deposits from muffler components.
• Replace screen if it is cracked, or has holes
burned through.
• Assemble components in reverse order.
NOTE
Carbon deposits in muffler will cause drop in
engine output. Spark arrestor screen must be
checked periodically.
AUTOMATIC OILER
• The discharge volume of the automatic oiler is
adjusted to 4 mL/min approximately at 7000 r/min,
prior to shipment from factory.
- To increase the delivery volume, turn the
adjusting screw counterclockwise.
When the screw touches stopper and stops,
this position indicates maximum discharge
volume. (13 to 14 mL/min at 7000 r/min)
- Do not turn the adjusting screw beyond the
maximum or minimum limit of volume
adjustment.
Decrease
Increase
Adjusting screw
Cylinder fins
Spark arrestor screen
Muffler
Screen cover
Clutch
(Sprocket)
Exhaust guide
Summary of Contents for CS-550P
Page 36: ......
