Bomag BW 156 D-3, Service Manual

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Service Training
BW 156/177 D-3/PD-3
BW 178/179 D-3/PD-3
- DTr 11 -
Fig. F10:
Checking the magnetic coil of the brake valve
• Start the engine and release the brake (disengage the travel lever from the braking position)
• use an appropriate meter to measure the voltage and current draw on the magnetic coil of the
solenoid valve
Nominal values: BW 178 / 179 D-3:12 V / 1,8 A;
BW 156 / 177 D-3, 156-179 DH/PDH-versions:12 V / approx. 5 A
BW 178 D-3
BW 156 / 177 D-3, 156- 179 DH / PDH-versions
1,8 A
1,8 A