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1968
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280SL Automatic Trans
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MERCEDES-BENZ Air Injection
MERCEDES-BENZ Air Injection
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Description
Operation
Notes
Air Pump
Operation of Air Pump
Air Distribution
Regulating Valve
Back Pressure Valve
Distributor
Carburetor
Testing
Air Pump
Air Output Check
Pressure Control Valve
Air Pump Noise
Back Pressure Valve (Test for Functioning)
Regulating Valve (Performance Test)
Air Distribution
Trouble Shooting
1) Insufficient Supply at Air Pump
2) Pressure Check Valve Discharges at Idle Speed
3) Rubber Hoses of Air Injection System and Air Pump Burned
4) Backfire in Exhaust System During Deceleration
5) Poor Engine Performance With Correct Carburetor and Ignition Adjustment