BELARUS-1221.2/1221V.2/1221.3 Scheduled maintenance
270
Operation 40. Change filter elements of
fine fuel filter
•
Unscrew the plug (1) and discharge
sediment.
•
Unscrew the four nuts and remove
the cover (3).
•
Rinse the housing and cover with
pure diesel fuel.
•
Check the cover seal and, if
necessary, replace it.
•
Install a new filter element.
•
Fill the filter housing with fuel.
•
Install the cover and tighten the
fastening nuts.
IMPORTANT!
After cleaning or
replacing the filter element (or after full
consumption of fuel from the tanks), it is
necessary to bleed air from the system
before you start the engine.
To bleed air from the system:
•
Loosen the plug (3) of the fine filter (4).
•
Unscrew the handle (1) of the
hand-priming pump.
•
Check whether the fuel tank valve is
opened and whether there is fuel in the
tanks.
•
Loosen the plug (2) on the fuel pump.
•
Quickly purge the system with the boost
pump until clean fuel without air bubbles
emerges from the plug. Tighten the fuel
pump plug (2). Keep on purging the system
until without air bubbles emerges from the
fine filter plug (3). Tighten up the plug.
•
Screw the handle (1) of the
hand-priming pump.
Note:
If the engine start is difficult,
loosen in turn the captive nut (5) of each
injector fuel line, while cranking the
crankshaft to remove air from the lines.
Crank the crankshaft for 10 to 15
seconds for each line and tighten the
captive nut without stopping cranking. If
any disturbances are observed, loosen
and screw each nut with the engine
running.
Содержание 1221.2
Страница 1: ...BELARUS 1221 2 1221В 2 1221 3 1221 0000010РЭ OPERATORS MANUAL 2009 ...
Страница 290: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 293 Electrical scheme of tractor connections ...
Страница 291: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 294 Variants of tractor connections ...
Страница 293: ...BELARUS 1221 2 1221В 2 1221 3 Supplement 290 826 3805010 instrument board scheme ...