Hood Shock / Support: Service and Repair

WM 553119 Removing and installing pneumatic spring

Tools






Removing front pneumatic spring





1. Open front lid.
2. Unfasten the pneumatic spring from the lid and the body.
2.1. A second person should hold the lid to prevent it from accidentally falling.
2.2. Insert a screwdriver -2- between the head of the pneumatic spring and safety clip -3- -A-.
2.3. Release the safety clip -3- by levering the screwdriver -2- towards the pneumatic spring -B-. The safety clip remains in the head of the pneumatic spring.
2.4. Pull pneumatic spring -1- from ball heads -C-.
2.5. Withdraw the screwdriver.









3. Remove pneumatic spring -1- -arrow-.
3.1. The lid can be fixed in the service position by using special tool bonnet stay 9704 for further service work => Removing and installing bonnet stay for service position.






Installing front pneumatic spring

Information

- When doing service work, either the standard pneumatic spring can be used or the special tool bonnet stay 9704. => Installing and removing bonnet stay for service position





1. Position pneumatic spring.
2. Install the pneumatic spring in the lid and the body.
2.1. A second person should hold the lid to prevent it from accidentally falling.
2.2. Position and press the pneumatic spring -1- in the ball heads. The pneumatic spring clicks audibly into place.
2.3. Check that the safety clips -3- have engaged correctly; repeat procedure, if necessary.













3. Functional inspection.
3.1. Close and open the lid several times to check function and assembly of the gas spring.
3.2. Open front lid fully. The pneumatic spring must hold the lid in its open position.

Installing and removing bonnet stay for service position

Information

- When installing the bonnet stay, to hold the bonnet in its service position, ensure it is fitted the right way around. The front lid seal must not make contact with the bonnet stay.

1. Fit the bonnet stay.
1.1. Mount the bonnet stay -4- with the bend -5- at the bottom.









2. Install bonnet stay.
2.1. The safety clips -6- on both sides of the bonnet stay -4- must be unclipped -A- and opened -B- using a screwdriver.
2.2. Attach the bonnet stay on both ball heads -C-.
2.3. Close -6- safety clips -D-. The safety clips engage audibly.





3. Remove bonnet stay.
3.1. A second person should hold the lid to prevent it from accidentally falling.
3.2. Unclip the safety clips -6- on both sides -E- and open -F-.
3.3. Remove the bonnet stay from the ball heads -G-.
3.4. Close -6- safety clips -H-. The safety clips engage audibly.





4. On completion of service work, install pneumatic spring => 553119 Removing and installing front pneumatic spring - section on "Installing"