Avtodizel ???-238??, Руководство по эксплуатации

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144
Fuel Pump
model
Camshaft
speed min
-1
Average
cycle fuel
delivery,
mm
3
/cycle
Gain of actual average
cycle delivery in rela-
tion to actual average
cycle at nominal
mode, mm
3
/cycle
Non-
uniformity of
fuel delivery
on the pump
section;
% no more
1030
±
10 143 – 147 – 5
806.6-50
650
±
10 – 4 – 9 8
980
±
10 133 – 137 – 5
850
±
10 – 2 – 6 –
807.6-50
650
±
10 – 6 – 10 8
q
- average cycle fuel delivery an rated mode.
The value of average cycle delivery calculated as the sum of de-
liveries of all sections, divided on sections number.
The non-uniformity of delivery on sections calculated under the
formula:
( )
0
0
min
ц
max
ц
min
ц
max
ц
100
q q
q q 2
⋅
+
− ⋅
= δ , where:
q
ц
max
– maximal cycle fuel delivery, mm
3
/cycle;
q
ц
min
– minimal cycle fuel delivery, mm
3
/cycle.
10 Check up work of the supercharge fuel corrector, for this
purpose:
−
wash up in clean gasoline the union mesh filter 15 (fig. 23)
and carefully blow it with compressed air;
−
clean the calibrated hole in the corrector case with a soft
wire with a diameter of 0,5-0,7 mm;
−
check up the air tightness of the membrane cavity. For this
purpose to the membrane case cover hole supply air under pressure
0,06
±
0,01 MPa (0,6
±
0,1 kgf/cm
2
). At completely blocked supply air-
line the fall of pressure in the membrane cavity during 2 min. should
not exceed 0,01 MPa (0,1 kgf/cm
2
);
−
adjust the pump camshaft speed 650
±
10 min
-1
, supply to the
corrector the oil under pressure 0,275±0,025 MPa (2,75±0,025
kgf/cm
2
), the control lever should be on the rest in against the maximal
speed limiting bolt.