NOTE
A blocked oil fi lter can prevent the supply of chain
oil and cause the guide bar and saw chain to seize.
Cleaning the cylinder fi ns (Fig. 42)
When wood chips are caught between cylinder fi ns (43),
the engine may overheat, resulting in lower output. To
avoid this, always keep cylinder fi ns and fan case clean.
43
40
Icing protection system (Fig. 43, 44)
This system is to protect carburetor from icing when the
unit is operated in winter time.
1. When you need icing system work, remove air fi lter
cover (40). Pull out the shutter (44) from inside the
air fi lter cover and reinstall it in winter time position
by turning half-way. (Fig. 43) This will allow heated
air to fl ow from cylinder side to carburetor cabin
through the opening (45).
44
NOTE
When winter time has been over and carburetor will
not suff er from icing, make sure that the shutter is
reinstalled in ordinary position (Fig. 44).
Fig. 41
Fig. 42
40
45
Fig. 43
44
For long-term storage
Drain all fuel from the fuel tank. Start and let engine run
until it stops. Repair any damage which has resulted
from use. Clean the unit with a clean rag, or the use of
high pressure air hose. Put a few drops of two-cycle
engine oil into the cylinder through the spark plug hole,
and spin the engine over several times to distribute oil.
Cover the unit and store it in a dry area.
Chain sharpening
Parts of a cutter (Fig. 45, 46)
46 45
41
42
47
43
48
44
49 50
45
46
54
50
WARNING
○ Gloves should be used when sharpening chain.
○ Be sure to round off the front edge to reduce the
chance of kickback or tie-strap breakage.
English
40
Fig. 44
53
49
52
51
48
47
Fig. 45
55
51
56
52
57
53
Fig. 46
17