Nakayama PC4600 Mode D'emploi page 11

EN
3. Guide bar
When the guide bar is dismounted, remove sawdust in the bar groove and oiling port (F29).
Grease the nose sprocket from the feeding port on the tip of the bar (F30).
(1) Oiling port
(2) Grease Port
(3) Sprocket
4. Others
Check for fuel leakage and loose fastenings and damage to major parts, especially handle joints and guide bar mounting. If
any defects are found, make sure to have them repaired before operating again.
Periodical service points
1. Cylinder fins
Dust clogging between the cylinder fins will cause overheating of the engine. Periodically check and clean the cylinder fins
after removing the air cleaner and the cylinder cover. When installing the cylinder cover, make sure that switch wires and
grommets are positioned correctly in place (F31).
Note: Be sure to block the air intake hold.
2. Fuel filter
(a) Using a wire hook ,take out the filter from the filler port (F32).
(1) Fuel filter
(b) Disassemble the filter and wash with gasoline, or replace with new one if needed.
3. Oil tank
With a wire hook, take out the oil filter through the filler port and clean in gasoline. When putting the filter back into the tank,
make sure that it comes to the front right corner. Also clean off dirt in the tank (F33).
(2) Oil filter
4. Spark plug (F34)
Clean the electrodes with a wire brush and reset the gap to 0.6~0.7mm as necessary.
5. Sprocket (F35)
Check for cracks and for excessive wear interfering with the chain drive. If the wearing it found obviously, replace it with new
one. Never fit a new chain on the worn sprocket, or a worn chain on a new sprocket.
6. Front and rear dampers
Replace if adhered part is peeled or crack is observed on the rubber part.
Maintenance of saw chain and guide bar
Saw chain
Warning: It is very important for smooth and safe operation to keep the cutters always sharp .
Your cutters need to be sharpened when:
Sawdust becomes powder-like.
You need extra force to saw in.
The cut way does not go straight.
Vibration increases.
Fuel consumption increases.
Warning: Be sure to wear safety gloves.
Guide bar
Reverse the bar occasionally to prevent partial wear.
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 (F39).
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