26
3/8A
(SPROCKET)
30°
80°
60°
0.64 mm (0.025 in.)
Parallel
• Properly filed cutters are shown below.
(Top plate angle)
(Side plate angle)
(Top plate cutting angle) (Depth gauge)
• When setting of the chain is finished, soak it in oil and wash away filings completely before using.
• When chain has been filed on the bar, supply sufficient oil to it, rotate the chain slowly to wash away the filings
before using again.
• If the chain saw is operated with filings clogged in the groove, the saw chain and the guide bar will be damaged
prematurely
• If the saw chain becomes soiled with resin, for instance, clean it with kerosene and soak it in oil.
91
Number
indicates Chain
type
Sprocket
Pitch
(DRIVE LINK)
A
B
CHAIN
TYPE
AND
SPROCKET
PITCH
Saw chain should be used with corresponding pitched
sprocket. To identify chain type and pitch of sprocket,
check as follows.
• Chain type number (A) is stamped on drive link.
• Sprocket pitch (B) is stamped on clutch drum.
T
ROUBLESHOOTING
Poor performance of the engine and/or cutting mechanism can normally be prevented by carefully following these
instructions.
Poor performance can easily be corrected even by a beginner.
When the engine does not function properly check the following three (3) points first.
• Is the engine compression adequate?
• Is fuel system in good condition and is enough fuel being supplied?
• Is electrical system in good condition and is spark plug operating normally?
When there is serious trouble with the unit, do not try to repair it yourself but have your distributor or dealer do it for
you. For detailed TROUBLESHOOTING refer to tables 1 and 2. Locate the problem on the following charts and repair as
necessary.
