SECTION 1 - SPECIFICATIONS
3121642 – JLG Lift – 1-11
Draining Oil Build Up From The Propane Regulator
During the course of normal operation oils may build inside
the primary and secondary chambers of the propane pressure
regulator. These oils may be a result of poor fuel quality, con-
tamination of the fuel supply chain, or regional variation in the
make up of the fuel. If the build up of the oil is significant this
can effect the operation of the fuel control system. Refer to
Section 1.13, Maintenance Specifications for maintenance
intervals. More frequent draining may be required if the fuel
supply has been contaminated.
FOR BEST RESULTS WARM THE ENGINE TO OPERATING TEMPERATURE BEFORE
DRAINING. THIS WILL ALLOW THE OILS TO FLOW FREELY FROM THE REGULA-
TOR.
1. Move the equipment to a well ventilated area. Ensure there
are no external ignition sources.
2. Start the engine and bring to operating temperature.
3. With the engine running, close the manual tank valve and
run the engine out of fuel.
4. Push in the Emergency Switch once the engine stops.
5. Disconnect the electrical connection to the LPG fuel tem-
perature sensor in the auxiliary fuel port of the EPR.
6. Remove the retainer clip for the LPG fuel temperature sen-
sor 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 connec-
tor.
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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