MTZ 1220.1, Руководство оператора

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MTZ 1220.1/1220.3 K. Scheduled technical maintenance
K30
Operation 37. Change filter elements of
fine fuel filter
Fine fuel filter service life depends on
purity of fuel used.
Filter shall be replaced according to the
figure. To replace the filter perform the fol-
lowing:
- drain fuel from the filter by unscrewing
the plug 4 at the bottom of the housing;
Do not allow fuel spillage, fuel shall be
drained only in a reservoir.
- unscrew the filter 1 from union 8 in
housing 2 and install a new filter supplied
assembled with gasket 7, which shall be
lubricated with engine oil before installa-
tion;
- after the gasket 7 touches mounting sur-
face
А on housing 2 make the filter further
by ¾ turn. Making the filter further shall be
carried out only with manual effort;
- open fuel tank valve and fill system with
fuel.
1 – filter
ФТ
020-1117010; 2 –housing; 3 –
bracket; 4 - plug (for sediment drain); 5-
outlet union; 6 – plug (for air discharge); 7
– gasket; 8 – union .
To bleed air from the system:
To bleed air from the system un-
screw the plug 6, located on tension bolt
of outlet union by 2..3 turns. Bleed the
system with the manually-operated purge
pump until clean fuel without air bubbles
emerges from the plug, tighten up the plug
2.
It is permitted that instead of filter ФТ 020-
1117010 other indecomposable fuel filters
were installed with general technical cha-
racteristics and dimensions for:
fullness of residue, not less than 90%;
conditional output at pressure differential
0.01 MPa not less than 150 l/hour;
diameter - 95…105 mm;
height – 140…160 mm;
conjoint thread -
М 16x1,5;
external diameter of sealing gasket -
70…75 mm.