Install electrical heating
- Install electrical heating (3).
- Connect and lock the coolant hose (1) at the electric coolant pump (2).
- Correctly position the electrical heating (2) with the holder.
- Correctly position the coolant hose (1) and secure with the spring band clamp.
- Tighten down screw (5).
TIGHTENING TORQUE SPECIFICATIONS
| Electrical heater to body | |
|---|---|
| Screw | |
| 8 Nm | |
- Connect plug connection (1) and lock.
- Connect and lock the plug connection (2).
CAUTION:
Potential equalization in high-voltage system.
Mortal hazard if the potential equalization screw connection is not correct!
Mortal hazard if the potential equalization screw connection is not correct!
- Observe the safety requirements for the potential equalization screw connection.
- Clean contact faces and have then checked by a second person.
- Tighten the screws/nuts for potential equalization with torque; have a second person check the torque.
- Correct execution of these tasks must be documented in the vehicle records by both persons.
- Install the equipotential bonding line and tighten the nut (4).
TIGHTENING TORQUE SPECIFICATIONS
| Potential compensation conductor of electrical heating | |
|---|---|
| Nut | |
| 4 Nm | |
- Connect and lock high-voltage cable (3).
- Position the changeover valve at the holder and tighten the screws (2).
TIGHTENING TORQUE SPECIFICATIONS
| Changeover valve to holder | |
|---|---|
| Screw | |
| 3 Nm | |
- Connect connectors (1) on the changeover valve and lock.