Mining and Heavy Industry - H-T-L USA

1 2 3 4 STEP 1: Page 12-19 ASSESS APPLICATION / EQUIPMENT STEP 3: Page 22-25 SELECT SYSTEM / LUBRICANT STEP 2: Page 20-21 ASSESS INSTALLATION METHOD STEP 4: Page 26-33 SELECT MOUNTING TYPE / KIT Challenges Lubrication assessment criteria Solutions © 2019 - H-T-L perma USA LP | www.permausa.com | 17  Bearing types, lubrication points and grease migration directions  Historical lubrication practices  Desired service schedule  Wash down procedures  Requirements for safe access For slurry pump lubrication the following factors are generally assessed in order to develop the lubrication solution:  Pump manufacturer’s recommendations  Seal types  Characteristics of recommended lubricant  Typical bearing operating temperatures  Operating conditions Lubrication challenges associated with pump maintenance include:  Liquid and slurry contamination require frequent or continuous grease purging to prevent ingress into the pump mechanical assembly  High speed / high mechanical working of the grease on large pumps require more frequent and controlled grease replenishment /exchange  Insufficient grease exchange intervals may result in lubrication deterioration or more extreme ‘starvation’ conditions  Large or excess grease addition volumes results in grease ‘churning’ and overheating  Hazardous working conditions (rotating equipment pinch points, falling into open drains or sumps, or exposure to hazardous chemicals) Maintenance challenges which restrict or limit effective relubrication may result in:  Contamination of bearings (from inadequate seal purging) causing rapid deterioration of lubrication conditions  Inadequate / excessive lubrication causing deteriorating lubrication conditions, accelerated grease aging, oxidation and wear rates  Accelerated wear rates (caused by contaminants or indadequate / excessive grease replenishment) and finally premature bearing failure Industry: Iron Ore Mining Application: Slurry pump Lubrication system: perma STAR VARIO Installation solution: Remote beam clamp mount Industry: Mining Application: Slurry pump Lubrication system: perma STAR VARIO Installation solution: Remote beam clamp mount