Picture 6.1 – Scheme of the rotation rate regulation.
1 – Capacity adjustment screw
2 – Damping spring case
3 – Cap nut
Where ºC is the fuel temperature in the measure box at the braking moment
Ne – capacity produced by the engine at the braking moment, kWt (H.P)
Gt – maximal allowable fuel consumption per hour for specified capacity at the braking
moment, kg/h
Note: if the specific density and the temperature of the fuel differs from those which are
specified in the tables above one should adjust the capacity according to the nearest values of
the specific density and the temperature of the fuel.
6.4.3.4 Fuel consumption per hour can be defined using the weight method two time
measuremen
t of the time of 500 Г diesel fuel consumption at that the results are defined as the
arithmetic mean of two measurements which should differ one from another more than 2%. To
maintain a constant fuel temperature at the moment of consumption measurement level in the box
should not decrease more than 2/3 of the box height.
6.4.3.5 To adjust the minimal idle rotation rate. The adjustment should be carried out using
the bolt 2 (picture 6.2) at the stop where the lever of the operating lever of the regulator should be.
During the bolt screwing rotation rate increases, during the screwing out it decreases
.
To adjust the rotation rate of the crankshaft within 540-560 min
-1
, than to screw the damping spring
cage (picture 6.2) till the steady rotation rate. Idle rotation rate should be within550-650 min, for the
engines
ЯМЗ-236М2, ЯМЗ-238М2 - 650...700 min
-1
.
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Page 193: ...N u M a r Method defect detection and Dimension and parameter mm...
Page 201: ...4 Thread stripping M16 1 5 6H no more than two threads Inspection To calibrate the thread...