• Diagnose and repair furnace or air conditioning systems.
• Connect electrical systems to outside power sources, and activate switches to test the operation of appliances or light fixtures.
• Examine or test operation of parts or systems to ensure completeness of repairs.
• Repair plumbing or propane gas lines, using caulking compounds and plastic or copper pipe.
• Inspect recreational vehicles to diagnose problems and perform necessary adjustment, repair, or overhaul.
• Locate and repair frayed wiring, broken connections, or incorrect wiring, using ohmmeters, soldering irons, tape, or hand tools.
• Confer with customers, read work orders, or examine vehicles needing repair to determine the nature and extent of damage.
• Repair leaks with caulking compound or replace pipes, using pipe wrenches.