BELARUS-1221.2/1221В.2/1221.3 Supplement
Fuel pump 363.1111005-40.02 adjusting parameters (JSC “YAZDA”) at bench check
Designation
unit
Value
1. Average cyclic fuel feed in high-pressure lines at rated speed of
100 rpm, not less
mm
3
/cycle
140
2. Rated speed of pump camshaft rpm 1050+10
3. Average cyclic fuel feed in high-pressure lines at rated speed
mm
3
/cycle
70±2
4. Non-uniformity of fuel feed in high-pressure lines at rated speed,
not higher
%
6
5. Rotational speed at the moment of governor actuation rpm 1075±10
6. Full automatic cessation of fuel feed by the governor in the range
of rotational speed
rpm
1150 not
higher
7. Average cyclic fuel feed by pump sections at rotational speed:
800±10 rpm
Mm
3
/cycle
80…86
72…79
8. Pressure at the moment pneumatic corrector activates/
switches off at n=500 rpm
kgf/cm
2
0,1…0,2/
0,2…0,3
9. Cyclic fuel fee
d at rotational speed of 500 rpm with no
supercharger pressure
mm
3
/cycle 66…74
Note: Check of the adjusting parameters, given in the items 1...7, should be done at force-
disengaged pneumatic corrector (air pressure in pneumatic corrector is 0,8…1,0 kgf/сm
2
).
Fuel pump РР6М10Р1f-3492 adjusting parameters at bench check
Designation
unit
Value
1. Average cyclic fuel feed in the high-pressure lines at rotational
speed of 100 rpm, not less
mm
3
/cycle
150
2. Rated speed of pump camshaft rpm 1050+10
3. Average cyclic fuel feed in pump high-pressure lines at rated
speed
mm
3
/cycle
80±2
4. Non-uniformity of fuel feed in high-pressure lines at rated speed,
not higher
%
6
5. Rotational speed at the moment of governor actuation rpm 1080±10
6. Full automatic cessation of fuel feed by the governor in the range
of rotational speed
rpm
1170 not
higher
7. Average cyclic fuel feed by pump sections at rotational speed:
800±10 rpm
500±10 rpm
mm
3
/cycle
83±2,5
70±3,5
8. Pressure at the moment pneumatic corrector activates/
switches off at n=500 rpm
MPa 0,005…0,01/
0,025…0,03
9. Cyclic fuel feed at rotational speed of 500 rpm with no
supercharger pressure
mm
3
/cycle 55,5…64,5
Note: Check of the adjusting parameters, given in the items 3...7, should be done at force-
disengaged pneumatic corrector (air pressure in pneumatic corrector is 0,05…0,06 MPa).