BMW X3 Service & Repair Manual: Grinding aluminum components
1.0 Recommended tools and equipment
Grinding work on the outer skin:
-
To carry out grinding work by hand or machine, you must use the recommended tools and
equipment.
The workbay can be cleaned with conventional extractor systems (low dust concentration).
Grinding work on the structure (except Z8):
-
To carry out grinding work by hand or machine, you must use the recommended tools and
equipment.
The workbay can be cleaned with conventional extractor systems (low dust concentration).
Z 8 Spaceframe structure:
-
To carry out machine grinding on the structure, you must use the recommended device with
grinding dust extractor facility.
The workbay must be cleaned with the recommended explosion-proof extractor system.
High dust concentration, explosion hazard!
2.0 Grinding outer skin and structure
Do not use any abrasives (grinding wheels, paper, etc.) which contain iron (risk of corrosion).
Always replace abrasives which have already been used to treat steel (risk of corrosion).
Use stainless steel wire brushes only (risk of corrosion).
Reduce speed of grinding machines. Excessive speeds cause a smearing effect.
Do not use coarse abrasive grains (only ≥ 80).
Do not grind notches into the material (risk of cracking).
Do not grind the material thin.
General notes for labelling with adhesive films
In the event of a repair the adhesive films must be partially or completely replaced. The basic procedure for all
areas of the vehicle is described ...
Grinding steel parts
1.0 Recommended tools and equipment
Tools are recommended for manual grinding work.
Machines/equipment are recommended for machine grinding work ...
Other materials:
BMW X3 Service & Repair Manual > Air conditioning, leak detection: A/c performance test
Observe the following conditions prior to the A/C performance test:
1. Connect diagnosis system. Check of the fault memory (no faults in the fault memory).
2. Attach a thermometer with separate display element to the head restraint. Lay display element outwards
out of passenger compartment.
...