16
WARNING!
Make sure the replacement
cut-off wheel rpm rating is greater
than the speed indicated on the
wheel guard label.
WARNING!
Using the wrong size collar
may lead to failure of the wheel or the
unit and could result in serious injury.
Make sure the ignition switch is Off and
the engine is stopped.
Insert a 6mm hex wrench into the hole
in the belt guard to prevent the drive
shaft from turning. See Figure 29.
Loosen the outer flange bolt with the
wrench and remove the bolt and outer
flange.
Before mounting a cut-off wheel, deter-
mine its arbor diameter. If necessary,
remove the snap ring from the arbor,
install the correct collar, then re-install
the snap ring.
1.
2.
3.
4.
Figure 29
Outer
Flange
Remove the old wheel and install the
new one. Make sure the inner bore is
properly set onto the collar.
5.
Belt Guard
Hex Wrench
Outer
Flange
Bolt
Wrench
Tighten
Loosen
CAUTION!
Make sure the rotating direction of
wheel corresponds to the one indicated
on the wheel guard. Make sure there is
no dust around the outer flange.
Label Showing
Direction of
Rotation
Label Showing Rated
and Maximum Spindle
Speed
Wheel Guard
Diamond
Wheel
Replacing the Cut-off Wheel
Figure 31
Hooked Wire
Fuel Filler
Cap
Fuel Filter
Inspection and Maintenance (continued)
Replacing the Cut-off Wheel
Replace the outer flange and bolt, then
holding the hex wrench in the hole of
the belt guard, tighten the bolt with the
wrench.
Make sure the cut-off wheel is securely
fastened and does not wobble.
6.
7.
Figure 30
While running the engine at low speed,
make about 10 passes at cutting a concrete
block or a soft brick. Keep the block
watered while sharpening.
Sharpening a Diamond Cut-off Wheel
WARNING!
KEEP AWAY FROM FIRE
OR EXCESS HEAT!
CAUTION!
Make sure the fuel line is not pierced
by the hooked wire. The fuel line can
be easily damaged.
Remove the fuel filler cap.
Take the filter out from the fuel opening
by using a hooked wire. If the filter is
hard and clogged with debris, replace it
with a new one. See Figure 31.
1.
2.
Checking the Fuel Filter
Put the filter back into the fuel tank.
Make sure the fuel tube is not bent and
the filter stays at the bottom of the tank.
Put the fuel filler cap back and tighten it
securely.
3.
4.
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