Specifications
Starting
Engines 15hp+ Single Cylinder
*All safety switches must be in place and in working order according to OEM specifications*
Cold Start:
1. Close choke.
2. Throttle half open.
3. FuelControlValve1⁄4-1/2 turn.
4. Prime 2 seconds.
5. Start. If the engine will not start, please repeat the installation instruction that applies to your
application. Do not over-prime the regulator if it is over-primed because the lever within the
regulator will break and ruin the regulator. This is not covered under warranty.
6. After start and warm up adjust Fuel Control Valve to optimum power setting according to use.
7. If the engine will not start, please repeat the installation that applies to your application.
Do not over-prime. Stop priming when resistance is felt on the primer. Forcing the primer
will damage the regulator and is not covered under warranty.
8. Mark Fuel control Valve setting for reference.
9. Please check engine with applicable tachometer to make sure engine is set at the factory
recommend engine speed settings. Please check Governor spring. If Governor spring is stretched
during installation of the AltFuel Conversion system the Governor spring must be replaced. If the
commercial engine is not reaching factory recommend engine speed settings. Please check your
unit’sservice/engine manual for recommended engine speed settings.
Warm Start:
1. Close choke.
2. Throttle half open.
*Most single cylinder engines 15hp+ require full choke to start and run. Some may require less than
full choke for optimum performance.
**Engine idle may be rough or loop until the components in the Regulator System have had a chance
to break in. This may take up to 20 hours of run time.
Stopping
All Engines
1. Slow engine down to near idle.
2. Turn engine off.
3. If unit is to be stored or transported in an enclosed area or trailer close valve on propane
cylinder(s).
4. Close valve on propane cylinders on any unit that will not be restarted within a few minutes.
5. The Fuel Control Valve on the Regulation System does not need to be closed as long as the
valve(s) on the attached propane cylinders are closed.










