Howden Roots RAS-J Whispair

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Summary

Operating Characteristics

Roots RAS Blower Overview

Describes the basic Roots Anti-friction System (RAS) rotary lobe blower design.

Roots RAS WHISPAIR Design

Explains the WHISPAIR design with slots to minimize pulsing and shock noise.

Installation and Foundation Setup

Location, Protection, and Handling

Discusses installation location, protection methods, and safe equipment handling procedures.

Foundation, Levelling, Alignment, and Grouting

Covers foundation design, anchor bolts, precise levelling, alignment, and grouting.

Lubrication and Preventive Maintenance

Lubrication Systems and Oil Capacities

Explains splash lubrication for gear ends, bearings, and sumps with oil capacity details.

Preventive Maintenance Schedule

Outlines daily, monthly, quarterly, and annual maintenance tasks for optimal performance.

Operation and Troubleshooting

Pre-Operation Checks and Initial Start-up

Checklist before operation and procedure for initial trial run under no-load and gradual load.

Vibration Analysis and Troubleshooting Checklist

Guidelines for assessing vibration and a checklist for common blower operation issues and remedies.

Repair and Replacement Procedures

Gear and Seal Replacement Procedures

Detailed instructions for removing/installing gears and replacing lip seals.

Impeller Timing and Final Assembly

Procedures for impeller timing, bearing replacement, and final assembly of the blower.