Nettet1. apr. 2007 · With the foregoing in mind, we should expect an 1800 RPM motor to spin a maximum of a 13.7″ P.D. sheave and a 3600 RPM motor to spin a maximum of a 6.9″ … Nettet19. nov. 2008 · Motor spring question. Old faithful (1980's vintage MArk V) ate a drive belt the other day and in the process of installing a new belt I found that the motor driven pulley assembly was not adjusting to maintain tension at the highest speed setting. The sheaves would close until the belt rode about 3/16 deep in the pulley, then stop.

Traction Sheave Maintenance - Elevator World

NettetInstallation and Maintenance Instructions. Lovejoy variable speed drive equipment is furnished in two ... a companion sheave (non-adjustable), an adjustable motor base and a V belt. A FIXED CENTER DRIVE, called a COM-POUND DRIVE, consists of one adjustable pulley, a spring loaded pulley and a belt, along with a “torque arm bracket” … NettetSheaves and Bearings. Routine motor preventive maintenance is essential for the air handler blower, especially in belt-drive units. Belts that are slipping lose efficiency and a broken belt can result in unit downtime. Belts naturally wear out over time, but their service life can be shortened by faulty bearing and sheaves. hbncc.chutianyun.gov.cn/

SHEAVE BEARING REPLACEMENT AND CRANE CONDITION …

NettetADDENDUM 1 TO PROCEDURES FOR INSPECTION, MAINTENANCE, REPAIR, AND REMANUFACTURE OF DRILLING EQUIPMENT 3 C.3.7 The user shall also ensure … NettetMaintenance strategy review . Spare parts and inventory management . Condition based maintenance . Vibration analysis and diagnostics . Thermography . Lubrication … Nettet6.3.1 WINDING ENGINE INDICATORS AND GAUGES REQUIRED Every winder should be provided with: • depth and speed indicators driven from the sheave or drum shaft; and • a dial or gauge to show whether or not power (energy) is available at the engine. A winder should not be used for winding while a depth or speed indicator is disconnected, except hbn building notes