BELARUS-920.4/952.4 Operating manual
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“1” – digital identification of transmission switch position (digits from 0 to 6) or letter identifica-
tion of reduction unit switch position (letters L, M, H, N);
“2” – current numerical value of one of tractor system parameters
Figure 6 – MD information fields
Integrated display receives information on transmission switch position from transmission control
module (if combined electronic control system (CECS) is available) or from range reduction unit
control module (if available). This parameter is displayed in information field “1” (Fig. 1.6). If
control modules are not available or are not connected or wire is broken, letter “A” is displayed in
the information field “1”.
Following parameters are displayed in information field “2” (Fig. 1.6):
- Total elapsed operating time of engine;
- Instantaneous fuel consumption;
- On-board system voltage;
- Remaining fuel volume;
- Operation time with remaining fuel;
- Operability diagnostics of speed sensors;
- Operability diagnostics of frequency probe of fuel volume (FPFV)
- Diagnostics of operability and connection of CAN-bus to ID.
Selection of display modes among “Total elapsed operating time of engine”, “Instantaneous fuel
consumption”, “Remaining fuel volume”, “Operation time with remaining fuel”, “On-board sys-
tem voltage”, failure messages is made with “Mode” button of program console 14 (Fig. 1.1). De-
scription of operation algorithms of modes “Operability diagnostics of speed sensors”, “Operabil-
ity diagnostics of frequency probe of fuel volume (FPFV)”, “Diagnostics of operability and con-
nection of CAN-bus to ID” is given above.
1. Total elapsed operating time of engine in hours.
Counter amasses information on total time of engine opera-
tion when message “engine speed” is transmitted from ECM
and stores it when power supply is disconnected.
Readout range is from 0 to 99999 of engine operating hours.
2. Instantaneous fuel consumption
This mode displays current value of instantaneous fuel consumption,
readout resolution is 0,1 l/h.
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