The Vendor shall furnish all labor, tools, and equipment necessary to repair equipment. Vendor and/or qualified technician(s) shall have valid certifications. Technician shall be knowledgeable of equipment. Vendor shall service the following equipment or similar to Unimac: Manufacturing # UW60S2FU10002, Serial #3060194044 Manufacturing # UT075NMTF6G1W01, Serial # 0108014573 Manufacturing # DT170FGTW0007, Serial # 0108016434 All service work and parts must be preapproved prior to service being performed. Repairs include but are not limited to examinations of all instruments directly pertaining to the operation of these units; replacement of belts, lint screen, valves, outboard switch; checking and fixing leaks in the system; and replacement of defective parts. Vendor shall test the equipment upon completion of repairs. Vendor shall, as necessary, instruct the laundry manager or designees in the use and maintenance of equipment and systems installed. Vendor shall provide a repair record for each repair service rendered. The report shall include nature of call, repairs made, material used, and labor used. Reports shall state any defective equipment, instruments and/or accessories which may require replacement or repairing.