Shall be conducted every ninety (90) days as identified below and services are to consist of the following: A. Lube all points of friction, including but not limited to, rollers, bearings, gears and guides. B. Ensure the doors are balanced, the motor limiters are properly adjusted, the drive chains are tight and the manual system is in proper working order. C. Inspect and test the function of the doors, including but not limited to, the electrical wiring and connections, chain, chain shafts, gears and bearings. D. Quarterly maintenance supplies shall include, but not limited to, belts, cleaning chemicals, oil, grease, cleaning rags, switches and fuses. E. Oiling all moving parts, align, tighten drive chain on doors, set limit switches. F. Inspect motor and clutch mechanism for wear. G. Inspect bearing, gears, and shafts for wear. H. Check oil and fluid levels, fill when needed. I. Grease chain, shafts, bearings, etc. J. Inspect all electrical parts and wiring including touch pad controls and ground loops. This includes radio receivers. Any work requiring a C-7 or C-10 license will not be covered under this contract. K. Inspect chain for wear, lube, and replace any broken or worn links. L. Inspect door wheels; grease as needed. M. Adjustment to doors for proper clearances and tolerances. N. All maintenance performed shall be to ensure compliance with minimum manufacturer’s operating specifications for the model and make of the equipment