MAINTENANCE (MONTHLY) RIDE EACH ELEVATOR, CHECK OPERATION OF CAR AND HATCH DOORS, SAFETY EDGES, SENSING DEVICES, ACCELERATION AND SLOW DOWN SPEED, FLOOR STOPS AND LEVELING THE SUCCESSFUL BIDDER WILL KEEP GUIDE RAILS PROPERLY LUBRICATED AT ALL TIMES EXCEPT WHERE ROLLER GUIDES ARE USED AND WHEN NECESSARY, RENEW GUIDE SHOE GIBS OR GUIDE ROLLERS IN ORDER TO ASSURE SMOOTH AND QUIET OPERATION. INSPECT AND WIPE CLEAN ALL MOTORS, MACHINES AND GENERATORS. WIPE CLEAN ALL MOTOR AND COMMUTATORS CLEAN AND CHECK BRUSHES AND BRUSH HOLDERS CLEAN AND LUBRICATE DIRECTION AND ACCELERATING SWITCHES LUBRICATE THE GOVERNOR SHAFT BEARING CLEAN THE HOIST WAYS, LANDING AND CAR SILLS CLEAN, LUBRICATE, ADJUST DOOR MONITORING EQUIPMENT WIPE CLEAN ALL MOTORS AND PUMP UNITS MAINTENANCE (ANNUAL) EXAMINE, CLEAN WITH PROPER SOLUTION, AND REPAIR AS NECESSARY, COMMUTATORS, BRUSHES AND BRUSH HOLDERS OF ALL SMALL CONTROL MOTORS AND REGULATORS. THOROUGHLY EXAMINE AND CLEAN STARTER AND CONTROL PANELS. CHECK EACH CONTACT AND RELAY BY HAND FOR WEAR, CLEANLINESS AND PROPER ADJUSTMENT. CLEAN, READJUST, REPAIR OR REPLACE AS NECESSARY. CHECK, CLEAN AND ADJUST OPERATION OF SLOW DOWN AND LIMIT SWITCHES. BLOW OUT AND VACUUM CONTROLLERS, AND HOIST MOTORS. TEST WINDING INSULATION CONDITION. RECORD RESULTS. EXAMINE, CLEAN AND ADJUST ALL MOVING PARTS OF THE GOVERNORS AND SAFETIES FOR FREE OPERATION. PERFORM ACTUAL TEST OF SAFETY AT SLOWEST OPERATING SPEED, WITH NO LOAD. DRAIN MACHINE GEAR OIL, REPAIR ANY OIL LEAKS, EXAMINE GEAR TEETH, AND REFILL WITH NEW GEAR OIL. OVERHAUL MACHINE BRAKE, INCLUDING DISASSEMBLY, CLEANING, REPLACEMENT OF WORN COMPONENTS, REASSEMBLE AND READJUSTMENTS. CLEAN AND INSPECT HATCH DOOR HANGERS, TRACKS, ROLLERS AND GIBS. CLEAN CAR TOPS, PITS, OVERHEAD SHEAVES AND BEAMS. CHECK ALL BRACKET AND FISHPLATE BOLTS FOR TIGHTNESS. REMOVE HALL AND CAR STATION COVERS, BLOW OUT AND CLEAN BUTTONS AND SWITCHES