Actually, if the dryer was installed correctly, you shouldn't have to
disconnect the gas line. It should have a coated flexible supply line (
usually yellow)connecting the dryer to the stub with a shut-off valve. This
is so during installation you can have the dryer several feet out from the
wall, make the hook-ups for gas and vent, turn on the valve, plug it in,
then slide the appliance into place.
So, you should be able to pull the dryer out several feet, at least far
enough tto climb over it to get at the supply lines and vents. If not, then
there is something screwy with the installation.
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