Abnormally Charging - Doosan DP158L Series Operation & Maintenance Manual

11. Electric system

Abnormally Charging

1. Measuring the voltage between the terminal and the
alternator body when operating.
Note) Measuring the voltage in order to check the wire
condition needs only the terminal when the engine is
stopped.
1) During operation
Position
Terminal B - Body
Terminal L - Body
Terminal R - Body
2) During Stop
Position
Terminal B - Body
Terminal L - Body
Terminal R - Body
2. Check of a voltage regulators: Mearsuring the resistance
between the terminals.
1) The resistance value between the voltage regulators.
Terminal
+
L
R
Body
L
Voltage
About DC27V ~ 29.5V
About DC27V ~ 29.5V
About DC3V ~ 5V
Voltage
About DC22V ~ 27V
About DC22V ~ 27V
0
Resistance
-
Body
4 ~ 4.5 k Ω
Body
110 ~ 180 k Ω
R
110 ~ 180 k Ω
R
110 ~ 180 k Ω
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