Fig. 227 The breakdown set
The breakdown set may be located in various places in the vehicle, e.g. in the side stowage area of the luggage compartment or under the floor covering in the variable luggage compartment. It includes the following components :
There is a slot on the lower end of the valve core extractor ① for the valve core. This is required for extracting and fitting the tyre valve. This also applies to the spare valve core ⑪.
1) Could also be integrated in the compressor.
2) This function may be carried out by a button in the compressor instead.
Safety precautions when working on fuel supply system
Risk of injury due to highly-pressurised fuel.
The fuel system is under high pressure. Risk of injury due to fuel
which may spurt out.
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Release high pressure before opening the fuel system.
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Assembly overview - brake caliper (PC57 brakes)
When carrying out repairs, install all parts supplied in repair kit.
Use only methylated spirits for cleaning the brake.
Apply thin coat of assembly paste G 052 150 A2 to brake cylinder,
piston and sealing ring.
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Checking radial and lateral run-out on wheel rim
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Attach rim to wheel balancing machine.
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Use the centring system for wheel balancing machines -VAS
5271-.
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Preload tyre gauge approx. 2 mm.
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