Handbrake Current; Checking The Maximum Current And Handbrake Current - Linde E25 Service Training

Service Training
2.6.6.6.1

CHECKING THE MAXIMUM CURRENT AND HANDBRAKE CURRENT

Maximum current
- Jack up the truck and block it up safely.
- Connect current measuring pliers WM 120 to the cable from current sensor 1B3 to the directional
contactors.
- Fully depress the brake pedal and accelerator pedal.
NOTE: The wheels must not turn.
- Read the current.
- The maximum current must be approx. 430 Ampere.
CAUTION: Perform the measurement quickly in order to prevent damage to the traction motors. The
maximum measuring time should not exceed 30 seconds.

Handbrake current

- Install the current measuring pliers as described above.
- Engage the handbrake and fully depress the accelerator pedal.
- Read the current.
- The handbrake current must be approx. 150 Ampere.
NOTE: If the two current readings are not correct, the electronic traction control unit or the current sensor
must be replaced.
Section 2.6
Page 49