مضخة زيت المحرك hp-Technik BIK5010

The hp-Technik BIK5010 oil motor pump, catalogue article 543.526.020, manufacturer codes BIK5010 and 543.526.020, is listed under Oil pump stations. Parts of this type draw fuel from the tank and deliver it to the nozzle at the pressure that sets the firing rate. The integral solenoid valve provides the sharp cut‑off the burner control demands. In an oil‑fired system the pump is the component that supplies the nozzle after the burner control energises the solenoid. It works together with the nozzle, preheater (if present), and the control box (flame safeguard). When selecting a replacement pump of this class, the key parameters are rotation direction (clockwise or anticlockwise as viewed from the shaft end), single‑pipe or two‑pipe configuration, capacity and pressure range, shaft dimensions and mounting pattern, and connection thread sizes. Two‑pipe systems return surplus oil to the tank; single‑pipe systems rely on an internal bypass. Filters protect the pump and nozzle; preheaters are used on heavier oil grades to reduce viscosity for proper atomisation. Common failure modes in such pumps include worn gear sets that reduce pressure or flow, weak pressure regulation causing unstable firing rate, leaking shaft seal that leads to oil drips or air ingress, and solenoid coil failure that leaves the burner unable to cut off cleanly – a condition that can cause post‑ignition drip or failure to stop on safety lockout. When replacing a pump it is prudent to check the solenoid coil resistance and inspect the shaft coupling for wear.