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Maintenance and care
Check spark plug
a: 0.6 - 0.7 mm
Lubricating flexible shaft
Guide bar replacement
When remove the spark plug cap, pry it with using the socket
wrench.
1.
Check plug gap. Correct gap is 0.6 mm to 0.7 mm.
2.
Inspect electrode for wear.
3.
Inspect insulator for oil or other deposits.
4.
If the spark plug is dirty, clean it. Do not sandblast to clean.
Remaining sand will damage engine.
5.
If the electrodes or terminals are worn, or if there are cracks
in the ceramics, replace them with new parts. (see Specifi-
cations page 25)
6.
Tighten to 10 N·m - 15 N·m (100kgf·cm to 150 kgf·cm).
The spark test (for checking whether the spark plug is spark-
ing) must be carried out by your dealer.
1.
Loosen clamping screws (A) on driveshaft coupling.
2.
Remove handle and flexible drive shaft.
3.
Remove flexible drive shaft (B).
4.
Wipe flex shaft clean and apply a thin coating of lithium
based grease.
5.
Slide flex shaft into handle. Leave 51 - 76 mm (2 -3 inches)
of flex shaft exposed. Do not get dirt on flex shaft.
6.
Align flexible drive shaft with drive shaft socket, and slide to-
gether until handle is fully seated into drive shaft coupling.
7.
Tighten clamping screws (A).
YAMABIKO bar and chain can be replaced by Carlton equiv-
alent style, gauge and pitch.
1.
Remove two nuts (A) and gear case cover screw (B), and
turn saw chain tension adjustment screw (C) anticlockwise
to release tension.
2.
Remove gear case cover (D).
3.
Remove guide bar and saw chain from gear case and
sprocket.
4.
Remove saw chain from guide bar and check guide bar for
damage and excessive or uneven wear. Replace guide bar
if necessary.
5.
Install saw chain on guide bar with cutters on top of bar fac-
ing toward bar tip.
6.
Install guide bar and saw chain on gear case, engaging
chain with drive sprocket (E).
7.
Install gear case cover (D), and tighten nuts finger tight and
install gear case cover screw (B).
8.
Turn tension adjustment screw clockwise to take up slack in
saw chain.
20
NOTE
NOTE
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