Zontes ZT310T-M, Руководство по обслуживанию

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j. Press the blue part inward at the junction of green
and blue as shown in the figure; pull the red and green
components outward. Then apply force from the rear
wheel to the front wheel along the junction of the red
and blue parts, push the red part outwards, and force
the blue parts inward to break apart. Remove the left
pedal and left pedal trim cover assembly.
k. Use a dust blow gun to blow away the dust and
debris near the spark plug.
l. Pull out the ignition coil high-voltage cap.
m. Remove the spark plug by turning it
counterclockwise with the vehicle-mounted tool or
special 14# spark plug sleeve.
n. It is recommended to seal the spark plug
installation hole with masking paper or other soft plastic
bags to prevent foreign matter from entering the engine.
2. Check the spark plug
a. Check whether the insulator is cracked or
damaged, whether the center electrode is abraded,
fouled, corroded, excessively carbonized or discolored
(the color of the ceramic insulator around the middle
electrode of the spark plug should be light brown). If so,
replace the spark plug with a new one.
b. Clean the electrode with a special spark plug
cleaner. Use a hard iron wire or steel needle to remove
the attached carbon deposits.
c. Use a feeler gauge to inspect the gap between the
center electrode and the side electrode.
d. If necessary, the gap can be adjusted by bending
the side electrodes, paying attention to the strength
during adjustment.
e. Clean the surface of the spark plug gasket and the
joint surface, and wipe off the dirt on the thread.
f. First screw it back to the engine by hand, and then
use the tool to turn it clockwise to the standard torque.
Model: NGK LMAR8A-9
Resistance between the terminal screw and the center
electrode: 3
～
7.5kΩ
Clearance: 0.8-0.9mm (0.031-0.035in)
Torque: 14N.m (1.4kgf.m, 10 lbf.ft)
3. Refer to the steps to remove the spark plug to
restore all parts.
●The vehicle must be parked on a flat and stable ground
or a lifting platform.
●The operation can only be performed after the engine
has cooled down completely.
● Do not pull or knock the center electrode.
●If the replacement of inappropriate heating value or
inferior spark plugs causes engine damage, it is not
within the scope of the three guarantees.
●When installing the spark plug, the torque should not
be too large, and the thread should be screwed in
manually before tightening. If there is no torque wrench
to replace the spark plug, you can turn it by hand until
there is resistance and then rotate it 1/2 turn. For
example, if you use an old spark plug, you can turn it to
the standard torque as soon as possible.
●Pay attention and order when removing the plastic
buckle to avoid the buckle from breaking.