- Pressure switch faulty- check pressure switch
- Pressure switch wrongly set
- Non return valve after pump leaking, hence water under pressure going back to storage tank- that would be indicated by monitoring of the concerned pump if reverse rotation is taking place.
- Check on/off controller from pump main panel-contacts opening/closing
- Check if system is overcharged
- Check if system in undercharged- Since water is incompressible as soon as water is filled up pressure rises but just on little consumption pressure will drop drastically and pump restarts
- Check for any air leaks
- Faulty automatic air volume control
- Not enough water in tank due to clogged pipelines
- Air leaking from relief valve
- Tank is about to empty
The electrohydraulic control mechanisms of the ME engine replace the following components of the conventional MC engine: Chain drive for camshaft Camshaft with fuel cams, exhaust cams and indicator cams Fuel pump actuating gear, including roller guides and reversing mechanism Conventional fuel pressure booster and VIT system Exhaust valve actuating gear and roller guides Engine driven starting air distributor Electronic governor with actuator Regulating shaft Engine side control console Mechanical cylinder lubricators. The Engine Control System of the ME engine comprises: Control units Hydraulic power supply unit Hydraulic cylinder units, including: Electronically controlled fuel injection, and Electronically controlled exhaust valve activation Electronically controlled starting air valves Electronically controlled auxiliary blowers Integrated electronic governor functions Tacho system Electronically controlled Alpha lubricators
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