Section G. Maintenance Belarus– 510/512 Operating manual
99
Operation 32. Replacing filtering ele-
ment of fuel fine filter
• Service life of a fuel fine filter de-
pends on purity of fuel applied.
• Replace the filter as per the figure
proceeding as follows:
• - drain fuel from the filter by un-
screwing the plug 4 in the lower part
of the housing
Do not let the fuel to spill over, drain it
only to a container.
• - unscrew the filter 1 from the adapt-
er 8 in the housing 2 and install a
new filter instead of it, which is sup-
plied assembled with the gasket 7
that must be first lubricated with mo-
tor oil;
• - after the gasket 7 touches the in-
stallation seat A on the housing 2,
screw in the filter by an additional ¾
turn. At that, screw in the filter only by
force of the hands;
• - open the fuel tank valve and fill the
system with fuel.
1 - filter
ФТО
20-1117010; 2 – housing; 3
— holder; 4 — plug (to drain sediment); 5
— return line pipe; 6 — plug (to bleed
air); 7 — gasket; 8 — adapter.
•
To bleed air from the system:
• To bleed air from the system, unscrew
the plug 6 on the bolt fastening the re-
turn line pipe by 2 to 3 turns. Purge
the system with the hand purge pump
3, screwing in the plug when fuel
without air bubbles emerges.
• Unscrew the plug 2 on the fuel pump
housing. Purge the system with the
hand purge pump until fuel without air
bubbles emerges, screwing in the
plug 2 at that.
•
Instead of the FT020-1117010 filter
other sealed fuel filters can be in-
stalled with basic specifications and
dimentions as follows:
• screening capacity 90% min.;
• conditional throughput capacity at a
pressure difference of 0.01 MPa of
150 l/h min.;
• diameter 95 to 105 mm;
• height 140 to 160 mm;
• connection thread M16×1.5;
• gasket outer diameter 70 to 75 mm.
