Notes On Working On Aluminum Components And Vehicles - Ah60.00-P-0034-01ME
Model 167
The following points must be observed when working on aluminum components and aluminum bodies:
Information on body workbay
Separate workplaces are required for work on vehicles with aluminum components. Information on this is available in XENTRY under the "Special tools"/"Workshop equipment".
Information on separating bonded joints
Before separating bonded joints (e.g. flange connections) they have to be heated first. The maximum permissible temperature is 180°C. The ideal temperature for detaching a flange connection, e.g. using a chisel, is approx. 100°C to 120°C.
Notes on separating bolted connections (flow-hole bolted connections)
Bolted connections screwed into cast aluminum components must always be unscrewed by hand.
Flow-hole bolts are always replaced by blind rivets for repair work.
Notes on separating punch rivet joints and creating flow formed rivet joints
Only tools approved by Daimler AG may be used.
Information on this is available in XENTRY under the "Special tools"/"Workshop equipment".
Observe manufacturers' specification.
Punch rivet joints, accessible on one side, must be bored out, milled-off or ground open.
It must be ensured that any chips and grinding residue are removed immediately.
Otherwise contact corrosion may occur.
Information on separating impact-nail connections
Impact nails are always replaced by blind rivets for repair work.
To separate impact nail connections, the heads of the impact nails have to be ground down.
If the same position is used for making the joint with blind rivets, then care must be taken to ensure that the connecting flange is not damaged when grinding down the nail heads. Any impact nail residue in the body must be removed using a suitable punch.
All debris from impact nails remaining in body cavities must be removed.
Overview of aluminum cast components
Shown on model 167.1
Information on damage diagnosis
The results from the accident diagnosis based on the corresponding documentation must be used for damage diagnosis.
The respective component must always be replaced in the event of any cracks, folds or deformation. Reforming is not permissible.
Otherwise the required minimum strength of the structural components is not ensured.