72171900 Removing and installing air cushion for backrest

WM 721719 Removing and installing air cushion for backrest

Tools





Preliminary work

1. Remove padding for front backrest. -> 741719 Removing and installing padding for front backrest - section on "Removing" 741719 Removing and installing padding for front backrest (folding sports bucket seat)

Information

Only necessary if you are removing the hose for the air cushion control valve!

2. Remove cover for left backrest. -> 722619 Removing and installing cover for backrest - section on "Removing" 722619 Removing and installing cover for backrest

Removing air cushion for backrest





Installation position of air cushion for backrest

1. Remove the two tie-wraps -1-.





Pulling off hoses on air cushion for backrest

2. Pull off the two hoses for the air cushion for backrest -2- at the branch piece -3-.
3. Push out the pins -2- on the two expanding clips -1- ( -arrow A- ) and remove the expanding clips -1-.





Removing air cushion for backrest

4. Remove air cushion for backrest -3- ( -arrow C- ).
5. Pull air cushion for backrest -1- together with the hose out of the backrest frame.





Pulling out hose

Removing hose for air cushion control valve

1. Remove tie-wraps -2- and push hose -1- for air cushion control valve through in a downward direction -arrow A-.





Removing hose

2. Unclip the hose -1- at the holder -3- ( -arrow B- ).
3. Pull hose -1- off the air cushion control valve.





Pulling hose off the air cushion control valve

Installing air cushion for backrest

Installing hose for air cushion control valve

1. Push hose -1- onto the air cushion control valve.





Pushing hose onto the air cushion control valve

2. Lay the hose -1- and clip it into the holder -3- ( -arrow A- ).





Fitting hose

3. Pull the hose -1- through in an upward direction -arrow B- and secure with a new tie-wrap -2-.

Installing air cushion for backrest

1. Slide hose for the air cushion for backrest -1- into the backrest frame.





Routing the hose

2. Position air cushion for backrest -3- ( -arrow A- ).





Installing air cushion for backrest

3. Secure the air cushion for backrest -3- with the two expanding clips -1- ( -arrows B- ). To do this, press the pins -2- into the expanding clips -1- ( -arrow C- ).
4. Slide the two hoses for the air cushion for backrest -2- onto the branch piece -3- and secure with two new tie-wraps -1-.





Connecting hoses on air cushion for backrest

Checking seat following removal

1. Connect the removed seat to the vehicle's wiring harness via test cable 9745 and test cable 9745/1.
2. Connect electric plug to control module trim panel. -> 721619 Removing and installing control module trim panel - section on "Installing" 721619 Removing and installing control module trim panel
3. Connect the battery. -> 2706IN IN -Work instructions after disconnecting the battery External Power Connection, Jump Lead Starting
4. Switch on ignition.
5. Carry out a function check on the seat components.
6. Switch off ignition after function test and disconnect battery.
7. Disconnect test cable 9745 and test cable 9745/1.

Subsequent work

1. Install cover for left backrest. -> 722619 Removing and installing cover for backrest - section on "Installing" 722619 Removing and installing cover for backrest
2. Install padding for front backrest. -> 741719 Removing and installing padding for front backrest - section on "Installing" 741719 Removing and installing padding for front backrest (folding sports bucket seat)