Page 51 - Propane Vehicle Essentials and Safety Practices

Vent to from Liquid Supply to Vent from Liquid Supply to
Liquid Evacuation Tank Liquid Evacuation Tank
(Fuel Pump Method) (Fuel Pump Method)
1. Close the liquid supply and return valves on the tank to be drained 7. Connect tank evacuation adaptor to tank filler valve
2. Depressurize fuel lines 8. Open liquid supply valve slowly
3. Connect service evacuation hose (from service tool kit) to liquid 9. Using a fuel pump jumper relay (from service tool kit) energize the
supply valve fuel pump
4. Remove fuel pump solenoid plunger assembly 10. When tank is empty, disconnect jumper relay and close valve, any
remaining fuel will have to be flared to atmosphere
5. Connect service evacuation hose to liquid evacuation adaptor
11. Reassemble the system
6. Remove fuel fill cap
Always follow manufacturer’s procedures Always follow manufacturer’s procedures
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Flaring Flaring

1. Turn off vapor return valve and liquid service valve and 5. Ensure ball valve on flare stack is in off position
depressurize all fuel lines
6. Slowly open vapor return valve, then leak check connection
2. Disconnect vapor return valve hose 7. Slowly open ball valve on flare stack

3. Connect service evacuation hose to vapor return valve 8. Flare released propane
4. Connect evacuation hose to liquid evacuation adaptor 9. Never leave the vehicle unattended
(from service tool kit)

Always follow manufacturer’s procedures Always follow manufacturer’s procedures
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