Section G. Maintenance
Belarus – 90/92 Operating manual
95
Operation 32. Changing filtering
element of fine fuel filter
• Life time of the filter depend on purity
of the used fuel.
• Change filter according to the figure.
As follows:
•
- drain fuel from the filter by loosing
of the plug at the bottom 4 of the filter
casing.
•
Do not let fuel spillage, drain fuel only
in reservoir.
• - unscrew filter 1 from union 8 in
casing 2 and install instead of it a
new filter, which is delivered in
assembly with gasket 7, that should
be previously lubricated with motor
oil;
•
- after gasket (7) touches
mounting pad A on the casing 2
screw filter up by ¾ turns. Install filter
only by hand effort;
• - open valve of the fuel tank and fill
system with fuel.
1 – filter F
Т
020-1117010; 2 – casing; 3 –
arm; 4 - plug (for drain of sediment); 5-
outlet union; 6 –plug (for air input); 7 –
gasket; 8 – union.
•
To remove air from the system:
• To remove air from the system, loosen
the plug 6, situated on the tension bolt
of the outlet union, by 2..3 turns.
Bleed system using manual purge
pump 3, screw up plug by appearing
of fuel without air bulbs.
• Loosen plug 2 on the fuel pump
casing. Bleed the system using
priming pump until pure fuel without
air bulbs appears, at the same time
screw up plug 2.
•
Instead of fuel filter F
Т
020-1117010
one may install other indecomposable
fuel filters having following technical
parameters and sizes:
• Sifting
completeness at least 90%;
•
Nominal capacity at pressure
difference of 0,01 MPa at least 150
liters per hour;
• diameter - 95…105 mm;
• height – 140…160 mm;
• screw tread -
М
16x1,5;
• outside diameter of sealing gasket -
70…75 mm.
Fuel input
Fuel output
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