BELARUS-1221.2/1221
В
.2/1221.3 Tractor preparing for operation
151
with fuel up to a reserve level) will light
up in the dashboard;
•
Turn the key-start switch to the position
«II» («Start»).
Before turning the key-start switch to
the position «II», hold it in the position
«I» for less than 2 seconds.
•
Before starting the engine, hold the
key-start switch for less than 15
seconds. If the engine fails to start,
wait for 30…40 seconds before starting
a new attempt. If the engine fails to
start after 3 attempts, find the defect
and rectify it.
•
When the engine starts, check all indi-
cator lights and data of the dashboard
(coolant fluid temperature, oil pressure
in the engine and gear box, storage
batteries charge, etc.). Idle the engine
at 1000 rpm until the pressure stabiliz-
es in the operating range.
IMPORTANT!
Your tractor is equipped
with turbocharged engine. High speed
of the turbocharger demands reliable
lubrication when starting the engine.
While starting the engine for the first
time or after a long period of storing, ro-
tate a crankshaft by the starter for
about 10 seconds without fuel feeding
to provide lubrication of turbocharger’s
bearings. Idle the engine for 2...3 mi-
nutes before loading it down.
Cold temperature starting (+4
°
С
and
below). For tractor “BELARUS-1221.3”
IMPORTANT!
To avoid
damage of the
drive train, do not push or tow the trac-
tor to start the engine.
•
Hold the key-start switch in the position
«I» for more than 2 seconds. At this time
a starting aid warning light will illuminate
in the warning lights block indicating that
preheater plugs are engaged. Hold the
key-start switch in this position. As soon
as the warning light begins to flash, the
engine is ready for starting.
•
Turn the key-start switch to the position
«II» and start the engine as prescribed
above for normal temperature starting.
After the engine starts the warning light
goes out and audible warning is off.
If the preheater plugs’ warning light
flashes with the frequency of 2 Hz after
the engine starts and operates within 3
minutes, it indicates that relay contacts
of the preheater plugs are sealed.
Then stop the engine, turn a ground
switch off and eliminate the defects.
To start the engine at ambient tempera-
tures of - 20°
С
and below it is necessary
to use special circulation heater of the
coolant fluid in combination with the
means of engine start heating.
NOTE:
Circulation heater of the coolant
fluid should be used only for cooling
system filled with antifreeze.
Use oil of winter types*
)
in the crank case,
transmission, hydraulic system and hy-
drostatic steering system during stabilized
cold ambient temperatures in accordance
with recommendations of the given Oper-
ators manual.
Keep the batteries fully charged.
Use pure winter diesel fuel without water
adding. To avoid defects, empty fuel
gravity filter and fuel tanks from sediment
every day.
* If there is no winter motor oil you may use a mix-
ture of summer motor oil with10-12% of diesel
fuel.
Summary of Contents for 1221.2
Page 1: ...BELARUS 1221 2 1221В 2 1221 3 1221 0000010РЭ OPERATORS MANUAL 2009 ...
Page 290: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 293 Electrical scheme of tractor connections ...
Page 291: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 294 Variants of tractor connections ...
Page 293: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 290 826 3805010 instrument board scheme ...