Introducing the NEW STIHL TS 500i cut-off saw
The world's first cut-off saw with fuel injection
STIHL introduces the new TS 500i STIHL Cutquik®, the world‘s first electronically controlled fuel injected cut-off saw in the handheld outdoor power equipment industry. Simplified starting procedure means no choke - just purge it and pull it. Compared to the industry leading TS 420, the TS 500i has 17% more power and only 6% more weight. Plus, the TS 500i features a new automatic water control system. It delivers perfect dust suppression at the push of a button and allows you to precisely meter the water supply. The X2 air filtration system provides an outstanding 99.96% cleaning efficiency. Powerful, lightweight and well-balanced, the STIHL TS 500i is designed for superior handling during the toughest jobs.
The most important STIHL injection components:
The generator produces all the electricity required to power the control unit
and operate the cut-off saw. It does this right from the first rotation of the
crankshaft during start-up.
The sensor measures the temperature and pressure in the crank chamber.
This information is then transmitted to the control unit.
3. Control Unit
The control unit is the most crucial part of the STIHL Injection system. It
continuously analyses the information transmitted by the generator and the
sensor, and regulates the fuel injection and ignition accordingly.
4. Fuel Injection Pump
The fuel injection pump keeps the fuel pressure constant. This guarantees that
the fuel injector is always supplied with sufficient fuel at just the right pressure.
5. Fuel Injector
The control unit triggers the fuel injector, which injects the optimal amount of
fuel directly into the crankcase. This procedure is synchronized with the engine cycle.