Nicotra RSH User Manual

Nicotra S.p.A.- Via C.Cantù,1 – 20121 Milano – Italy
Factory.: Via Modena, 18 – Ciserano Loc. Zingonia (BG)– Italy
Factory.: Strada di Ronchis, 5 – Remanzacco (UD) - Italy
Cod. 985719 – 00 / Jan 2004
INSTALLATION AND MAINTENANCE
MANUAL
CENTRIFUGAL FANS
AT-AS-ASH-RSH-ADH-RDH
In accordance with ATEX directive
In issuing this guide-book maximum attention has been paid to ensure correct information. Nicotra S.p.A. does not accept any
responsibility for eventual errors or omissions.

Nicotra RSH Specifications

General

Brand	Nicotra
Model	RSH
Category	Fan
Language	English

Summary

1. GENERAL INFORMATION

1.1. ATEX VERSIONS

Specific information for fans intended for use in potentially explosive atmospheres.

2. RECEIVING AND INSPECTING THE PRODUCT

2.1. DATA ON THE RATING PLATE

Details regarding product identification, specifications, and ATEX classification on the rating plate.

2.3. HANDLING AND LIFTING THE FAN

Guidelines and precautions for safely handling and lifting Nicotra fans to prevent damage.

3. FUNCTION AND DESIGN OF THE FAN

3.2. OPERATING LIMITS

Maximum power, speed, and temperature limits for fan operation, including ATEX variants.

4. INSTALLATION

4.1. FIXING THE FAN

Instructions for securely mounting the fan to a base or frame, ensuring stability and vibration resistance.

4.2. INSTALLING THE DRIVE SYSTEM

Guidance on correctly installing the drive system, including pulley alignment and belt tensioning.

4.3. SAFETY ACCESSORIES

Details on essential safety devices, including protection for moving parts and electrical insulation.

4.5. STARTING THE FAN

Procedure for safely starting the fan after installation, checking rotation and operational parameters.

5. MAINTENANCE

5.1. ORDINARY MAINTENANCE

Routine service procedures to ensure smooth operation, including checks on vibration, corrosion, and cleaning.

5.2. REPLACING INSTRUCTIONS FOR BEARINGS

5.2.1-5.2.2. Eccentric Locking Collar Bearings

Instructions for dismantling and mounting bearings with eccentric locking collars.

5.2.3-5.2.4. Plummer Block with Eccentric Collar

Instructions for dismantling and mounting plummer blocks with eccentric locking collars.

5.2.5-5.2.6. Plummer Block with Adapter Sleeve

Instructions for dismantling and mounting plummer blocks with adapter sleeves.

5.2.7-5.2.8. SNL Plummer Block with Self-Aligning Bearing

Instructions for dismantling and mounting SNL plummer blocks with self-aligning ball bearings.

5.2.9. ConCentra Roller Bearing Dismantling

Procedure for safely dismantling a ConCentra roller bearing unit.

5.2.10. ConCentra Roller Bearing Mounting

Procedure for safely mounting a ConCentra roller bearing unit.

6. ATEX – DECLARATION OF CONFORMITY

Declaration of conformity

Nicotra S.p.A. declares compliance with ATEX directive and applicable standards for centrifugal fans.