Annual charges for maintenance of Air conditioning system in Komatsu D475A5 Dozer Sl.No. 30549 i.e.T-3869 working at Jhingurda Project for a period of 01 year.

A. Scope of work: 1. To carry out periodic/scheduled inspection and maintenance of entire system as per the check sheet inif OEM recommendation in each equipment, once in month. 2. Attend and rectify minor breakdown/ repair if any within 24 hrs. of complaint. 3. Assist in planing and procurement of spares for maintenance, repair and stocking at our end. B. Details of work: 1. Periodic/ scheduled inspection and maintenance: Thorough inspection of AC system performance by team consisting of one system specialist with a technician in line with the check sheets and OEM recommendations 2. Refrigerant & compressor oil filling: This includes: a. Leakage test with nitrogen at every joint by means of applying soap solution. b. Vacuum testing/formation in the system by means of vacuum pump c. Compressor oil filling as per requirement of system d. Refrigerant charging (R-134A) with the adjustment of high and low pressure cut offs. e. Ensuring proper cooling within the operator cabin. In addition to this, refrigerant top up will be taken care for proper cooling of the operator cabin, whenever required.

Annual charges for maintenance of Air conditioning system in 1. no. Komatsu D475A5 Dozer Sl.No. 30549 including periodical/scheduled maintenance inclusive of manpower, tools, transportation, refrigerant and its charging and compressor oil and its filling for the period of 1 year.

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