Both lighter fuels, butane gas and petroleum oil are extremely flammable. Perform in well ventilated area and never attempt to refill near heat source, sparks or flame. Be sure ignition system can not be operated.
STEP1
Before refilling lighter, drain air out of the gas tank by pressing down the inlet valve with a small screw drive or pen. You will hear a hissing sound when air or remaining gas is bled out of the gas tank.
STEP2
Shake butane gas canister well before injecting butane gas.
STEP3
Fill with lighter in an upside-down position, Put nozzle tip of butane canister directly on inlet valve opening and press down firmly for 2-3 seconds.
