Fill machines with products, ingredients, money, and other supplies.
Inspect machines and meters to determine causes of malfunctions and fix minor problems such as jammed bills or stuck products.
Test machines to determine proper functioning.
Replace malfunctioning parts, such as worn magnetic heads on automatic teller machine (ATM) card readers.
Maintain records of machine maintenance and repair.
Clean and oil machine parts.
Keep records of merchandise distributed and money collected.
Collect coins and bills from machines, prepare invoices, and settle accounts with concessionaires.
Make service calls to maintain and repair machines.
Adjust machine pressure gauges and thermostats.