Overflow Valves - Volvo ECS Training Tips And Tactics

General information
Air suspension
air supply
Overflow valve 52a is fed from the wet tank. When air
Overflow valves
pressure opens the valve, air is supplied to the ECS
solenoid valve blocks.
Overflow valve 52b is fitted only on trucks with ʻfullʼ air
suspension - i.e. at front and rear, which have a separate
air suspension tank (50).
More information on overflow valves is included in sections
- Gen. 1 and Gen. 2.
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