Procedures

877019 Removing And Installing Expansion Valve

Removing expansion valve

Unscrewing fastening nuts:

1. Unscrew fastening nuts -1-.
2. Remove the bracket for the two refrigerant lines and pull the refrigerant lines out of the expansion valve.

Fastening screws on expansion valve:

3. Undo the two fastening screws on the expansion valve and remove expansion valve.

Installing expansion valve

NOTE:
- Before re-installing the component, check the O-rings of the refrigerant lines for damage and replaced them if necessary.
- Wet the O-rings of the refrigerant lines with refrigerant oil.
- Do not open the plugs for the lines and connections until shortly before installation.
- Close off all lines and connections using suitable plugs during removal.

Fastening screws on expansion valve:

1. Carefully push expansion valve onto refrigerant lines from evaporator - do not tilt.
2. Insert and tighten the two fastening screws.
Tightening torque 9 (6.5) Nm (ftlb).
3. Position refrigerant lines on expansion valve and press into place - do not tilt.

Screwing in fastening nuts:

4. Position bracket for refrigerant lines and secure with the fastening nuts -1-.
Tightening torque 6 (4.5) Nm (ftlb).