L22 Steam · Trusted

It holds the Guinness World Record as the oldest steam locomotive in regular working condition.

These miniature engines are often used to demonstrate the modified Rankine Cycle and the mechanics of reciprocating positive displacement. l22 steam

| Problem | Likely Cause | Quick Fix | | :--- | :--- | :--- | | | Condensate lock | Open throttle fully for 1 second to blow out water. | | Surging/lurching | Low water / priming | Shut off heat. Refill boiler. | | Loss of pressure | Leaky safety valve | Check the O-ring on the L22 safety valve; replace if hard. | | Sticky piston | Old oil residue | Disassemble, clean with kerosene, re-lube with fresh steam oil. | It holds the Guinness World Record as the

The L22 cylinder uses a slide valve or piston valve that runs at high heat. | | Surging/lurching | Low water / priming | Shut off heat