Summary of Contents for Henkel NYBORG LSV
- Page 1 NYBORG AS N-6230 SYKKYLVEN, NORWAY TEL +47 70 25 40 80 office@nyborgfan.com www.nyborgfan.com CENTRIFUGAL FANS - Transportation & storage - Installation - Operation - Maintenance...
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Page 2: Table Of Contents
Document: NYB5230C Page: Page 2 of 22 Date: 16.08.2023 Revision: Table of Contents 0 Fan characteristics and properties ........................3 Description of the equipment ......................3 Special Conditions for Use ........................3 1 Limitation ................................3 2 Receipt of goods ..............................4 3 Lifting ................................. -
Page 3: Fan Characteristics And Properties
Document: NYB5230C Page: Page 3 of 22 Date: 16.08.2023 Revision: 0 Fan characteristics and properties All Nyborg AS’ fans are delivered with the following documentation crucial to the correct operation and maintenance. Technical Specification Works Test Certificate (WTC) Fan curves 0.1 Description of the equipment The fans are meant for migration of air only, and are not suited for any other purpose, like chip extraction or similar. -
Page 4: Receipt Of Goods
Document: NYB5230C Page: Page 4 of 22 Date: 16.08.2023 Revision: 2 Receipt of goods Check first the goods for transport damage. In case of damage, notify the forwarder / transporter immediately. Check the delivery towards the packing list to verify that all components are delivered. Also, check the nameplate against the order. -
Page 5: Lifting
Document: NYB5230C Page: Page 5 of 22 Date: 16.08.2023 Revision: 3 Lifting Fans are normally packed on wooden pallets. Fans should be transported by forklift or similar. Pallet must be lifted and handled carefully, and sudden impacts avoided. It must be ensured that water (e.g., rain) will not enter the motor or bearings during lifting / handling. -
Page 6: Safety - Protection - Wire Guards
Document: NYB5230C Page: Page 6 of 22 Date: 16.08.2023 Revision: Install the fan in accordance with the air flow indicated by the arrow on the fan casing. For duct connected fans, there must be a gasket between fan flange and connection flange to avoid leakage. - Page 7 Document: NYB5230C Page: Page 7 of 22 Date: 16.08.2023 Revision: Take care that water (e.g., rainwater) do not enter the terminal when opened and during installation. Check that the motor terminal box cover is properly closed not to ensure the integrity. The electric motor must always be protected by a motor protection switch.
- Page 8 REVISION HISTORY REV. NO. DESCRIPTION DATE APPROVED Fan Outlet Fan Outlet Fan Inlet Rectangular Hose Clamp Circular Hose Clamp Flatbar Pop rivets Rectangular Circular Circular Duct Duct duct Flexible Connection Flexible Connection Flexible Connection 30 - 40 30 - 40 Fan Inlet Fan Outlet Flanged...
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Page 9: Start-Up
Document: NYB5230C Page: Page 9 of 22 Date: 16.08.2023 Revision: 6 Start-Up Before start-up • Check that the duct is clean and free from foreign objects, like bolts, tools, cloths (these can be sucked into the fan and damage the impeller) – pay special attention to the suction side of the fan. -
Page 10: Maintenance
Document: NYB5230C Page: Page 10 of 22 Date: 16.08.2023 Revision: 7 Maintenance During all maintenance work, the fan must be electrically insulated/disconnected so it is not unintentionally started. A clear note/poster must be displayed at the starter panel, and other possible remote start locations, that maintenance work in ongoing. In case of malfunction, contact Nyborg AS. -
Page 11: Inspection/Maintenance Every 3- 6Months (After Checking 7.2)
Document: NYB5230C Page: Page 11 of 22 Date: 16.08.2023 Revision: 7.3 Inspection/maintenance every 3- 6months (after checking 7.2) To check Method Look for Action if not satisfactory Fan casing, painting, Corrosion, scratches, and Visual Repair galvanizing damage Fan casing, impeller Visual Build-up of dirt Cleaning... -
Page 12: Inspection/Maintenance Every 1-2 Years (After Checking 7.2 And 7.3)
Document: NYB5230C Page: Page 12 of 22 Date: 16.08.2023 Revision: 7.4 Inspection/maintenance every 1-2 years (after checking 7.2 and 7.3) To check Method Look for Action if not satisfactory Excessive rust, Motor Visual corrosion, damage to Repair or replace painting. Corrosion, even Brass lining Visual... -
Page 13: Sealing Ring
Document: NYB5230C Page: Page 13 of 22 Date: 16.08.2023 Revision: contains information of vibrations vs. maintenance. The vibration-level limit for the fan can be found in the WTC for the fan. 7.6.3 Sealing ring To replace the sealing ring, first dismantle the impeller as described in 7.6.4 and drawing 2-10040. Remove the seal ring by using a seal puller or similar tool. -
Page 14: To Replace The Motor Bearings
Document: NYB5230C Page: Page 14 of 22 Date: 16.08.2023 Revision: 7.6.5 To replace the motor bearings: Motor with EX class EXD or EXDE – change of bearings must only be done by personnel with authorization/certification for this. After the impeller have been dismantled according to procedure above; remove the shaft key. Loosen flange or shield on motor drive end (DE) side and take the rotor part of electrical motor out from the fan casing. -
Page 15: Reassembly And Dismantling Of Impellers - Drawing No. 2-10040
REVISION HISTORY REV. NO. DESCRIPTION DATE APPROVED Procedure demounting of impeller with two demounting holes in impeller hub. Bigger axial fans > ø500, and all centrifugal fans,excepted models MSV 125, 160, 100, LSV 250, 315. Unscrew and remove bolt and washer that is fastened in motor shaft. Put a washer, a nut (e.g. - Page 16 Mounting of impeller: Use a threaded rod which is fitted to threads in motor shaft (see table 1 for correct size) and screw this into motor shaft Put impeller onto shaft Add a washer and preferably a pressure bearing to get sufficient distance if necessary. Add a nut and turn the nut downwards till impeller hub is resting on the edge on motorshaft.
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Page 17: Trouble-Shooting
Document: NYB5230C Page: Page 17 of 22 Date: 16.08.2023 Revision: 7.7 Trouble-shooting Problem Component Possible reason Action Faulty motor Replace motor Fan/motor Impeller is touching the casing or inlet Repair or replace fan cone Incorrect power connection Correct the connection Check if motor is multi-voltage, Fan does not start if not change motor or power... - Page 18 Document: NYB5230C Page: Page 18 of 22 Date: 16.08.2023 Revision: Problem Component Possible reason Action Motor speed too high, or motor Replace motor or adjust the running on frequency converter at too high frequency Too small motor selected for the Change the motor, impeller or fan.
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Page 19: Restriction In Warranty
Document: NYB5230C Page: Page 19 of 22 Date: 16.08.2023 Revision: 8 Restriction in warranty The warranty is void in case of: • Improper installation and operation of the equipment, inconsistent with intended use and instructions, operations and maintenance manual. • Repairs or constructional modifications without the permission from Nyborg AS. •... -
Page 20: Checklists
Document: NYB5230C Page: Page 20 of 22 Date: 16.08.2023 Revision: 9 Checklists Installation Description Check Date Comments The fan foundation is level and is sufficient ridged Rotate the impeller by hand to check that it runs freely Check that the impeller clearance to the inlet cone is evenly distributed throughout the circumference Check that fan is centred (not off-set) relative to... - Page 21 Document: NYB5230C Page: Page 21 of 22 Date: 16.08.2023 Revision: Maintenance acc. to chapter 7 in the fan manual 1. Every 2 – 3 weeks. To check Method Date Comments Current Ampere meter By finger or vibration Vibration measurement Noise Smell –...
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