Periodic Maintenance and Adjustment 8-41
WARNING
POTENTIAL HAZARD:
Checking the fuel system while smoking or near an open flame.
WHAT CAN HAPPEN:
Fuel can ignite or explode, causing severe injury or property damage.
HOW TO AVOID THE HAZARD:
Do not smoke when checking the fuel system. Make sure there are no open flames or sparks in the
area, including pilot lights from water heaters or furnaces.