JLG 800A Operation And Safety Manual page 124

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
4. Push in the Emergency Switch once the engine stops.
5. Disconnect the electrical connection to the LPG fuel
temperature sensor in the auxiliary fuel port of the EPR.
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6. Remove the retainer clip for the LPG fuel temperature
sensor and remove the sensor from the regulator body.
NOTE: Have a small container ready to collect oil that will drain
freely from the regulator at this point.
7. Once all of the oil has been drained, reinstall the LPG
fuel temperature sensor and reconnect the electrical
connector.
8. Open the fuel tank manual valve.
9. Start the engine and verify all connections are secure.
10. Dispose of any drained oil per local regulations in a safe
and proper fashion.
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