21
C. For lubricating distributor cam and breaker contacts. drip 1
～
2 drops of oil on felt periodically.
4.2.2 COOLING SYSTEM MAINTENANCE
A. To ensure normal operation of engine.
There must be enough coolant. Therefore,
it is necessary to check coolant and
replenish clean soft water every time
before going out with a vehicle. It is
prohibited to use hard alkaline water with
many minerals. In winter, antifreeze must
be used. Generally speaking, the freezing
point of the selected antifreeze must be
5
℃
lower than the lowest temperature of
the area where engine is used. If
antifreeze is not used, drain cooling water
from radiator and cylinder block after
turn off of engine without delay.
B. It is necessary to check tensioning of fan belt regularly.
Adjust tensioning if necessary (refer to fig4-2). The appearance of fan must be good. The excessively
worn belt must be replaced without delay.
4.2.3 FUEL SYSTEM MAINTENANCE
A. The air filter element must be replaced regularly in accordance with maintenance instruction
and road conditions.
B. The carburetor has been adjusted pre-delivery and adjustments are not necessary. It is
prohibited to turn the screw which marked with paint. Turning this screw arbitrarily will make
the transient performances economy and exhaust at idle speed deteriorate.
The idle speed of
LJ276M engine is
900±50r/min. When
adjusting idle speed.
The water temperature
of engine must be 75
～
95
℃
. Check if ignition
advance angle is an
follows: Turn the idle
adjusting screw and
speed adjusting screw
(refer to fig4-3)
alternatively to make
engine run at a speed a
