Maintenance Of Saw Chain And Guide Bar - PAPILLON Ranger 39 Manual De Instrucciones

Ranger 39 (YD-KU03-38) & Ranger 46 (YD-KU01-45A)

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 positions
correctly in place.
2. Fuel filter
(a) Using a wire hook, take out the filter from the
filler port.
(b) Disassemble the filter and with gasoline, or
replace with a new one if needed.
3. Oil tank
With a wire hook, take out the oil filter through the

8. Maintenance of Saw Chain and Guide Bar


Saw Chain
It is very important for smooth and safe
operation to always keep the cutters
sharp.
The cutters need to be sharpened when:
Sawdust becomes powder-like.
⚫
You need extra force to saw in.
⚫
Place the file on the cutter and push straight
The cut path does not go straight.
⚫
forward.
Vibration increases.
⚫
Keep the file position as illustrated.
Fuel consumption increases.
⚫
Cutter setting standards:
Be sure to wear safety gloves.
Before filling:
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.
4. Spark plug
Clean the electrodes with a wire brush and reset
the gap to 0.65 mm as necessary.
5. Sprocket
Check for cracks and for excessive wear
interfering with the chain drive. If the wear is
considerable, replace it with new one. Never fit a
new chain on a worn sprocket, or a worn chain on
a new sprocket.
Make sure the saw chain is held securely.
⚫
Make sure the engine is stopped.
⚫
Use a round file of proper size for the chain .
⚫
Model
Saw chain Type
Pitch (in.(mm))
Gauge (in.(mm))
Model
Saw chain Type
Pitch (in.(mm))
Gauge (in.(mm))
27
Ranger 39
Oregon 91VG/91P
3/8(9.53)
0.05(1.27)
Ranger 46
Oregon 21BP/21VB
0.325" (8,255mm)
0.058" (1,473mm)