By Heinz P. Bloch
This up-to-date version is a useful resource of functional low in cost upkeep, fix, deploy, and box verification approaches for equipment engineers. it's choked with step by step directions and quick-reference checklists that describe preventive and predictive upkeep for significant method devices resembling vertical, horizontal, reciprocating, and liquid ring vacuum pumps, lovers and blowers, compressors, turboexpanders, generators, and extra. additionally integrated are sections on equipment safety, garage, lubrication, and periodic tracking. a brand new part examines centrifugal pumps and explains how and why they proceed to fail. extra new details specializes in upkeep for plane spinoff fuel generators. This revised version provides specific consciousness all through to upkeep and service techniques had to be certain potency, functionality, and lengthy lifestyles.
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Extra resources for Major Process Equipment Maintenance and Repair
Case End Wall and Cover 1. Measure and record all fits between pump casing and mating parts. 2. Remove all plugs and fittings to inspect threads. Reinstall all plugs and fittings. 3. Inspect and indicate mounting pads to ensure they are flat and parallel with pump centerline. Machine, if out of alignment. Bearing Housing and Bearings 1. Observe good anti-friction bearing mounting procedures (see Volume 3 for details). 2. Ball bearings: Replace if worn, loose, or rough and noisy when rotated. If dirty, clean with solvent, dry and coat with a good lubricant.
N. Fill housing with proper grade of oil. 0. Check alignment of unit and lubricate coupling (lubricated type only). E. u Bearing Housing-Sleeve Bearing Construction This arrangement consists of ring-oiled sleeve-type babbitt-lined radial bearings combined with an angular contact ball thrust bearing. The thrust bearing is relieved in the bore of the housing to assure freedom from interference with the radial alignment, and is oil-ring lubricated. Only portions of Figure 1-16 apply. 1. Remove coupling spacer and coupling nut (2 1-5).
498 Table 1-5 Permissible shaft run-out per ft. of diameter TO SHAFT 3. Slide thrust bearing (81-2) on shaft (20) as far as possible by hand. Oil bearing seat on shaft. Place pipe or sleeve over shaft, being sure it rests against inner race only. Tap sleeve evenly until bearing is seated firmly against shaft shoulder. 4. Assemble thrust bearing lock washer (31) and lock nut (21-4). 5. Slide radial bearing (81- 1) on shaft (20) as far as possible by hand. Oil bearing seat on shaft. Place pipe or sleeve over shaft, being sure it rests against inner race only.