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Thern 5FT40 Series Owner's Manual

Stationary davit cranes
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Read this Owner's Manual
thoroughly before operating
the equipment. Keep it with
the equipment at all times.
Replacements are available
from Thern, Inc., PO Box 347,
Winona, MN 55987,
507-454-2996.
www.thern.com
IMPORTANT: Please record
product information on
page 2. This information is
required when calling the
factory for service.
ORIGINAL TEXT
A27607-A-1120
Thern
Winches & Cranes
Owner's Manual
For
5FT40 Series Stationary Davit Cranes

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Summary of Contents for Thern 5FT40 Series

  • Page 1 Winches & Cranes Read this Owner’s Manual thoroughly before operating the equipment. Keep it with the equipment at all times. Replacements are available from Thern, Inc., PO Box 347, Winona, MN 55987, 507-454-2996. www.thern.com IMPORTANT: Please record product information on page 2.

  • Page 2: Two-Year Limited Warranty

    Thern, Inc. warrants its products against defects in material or workmanship for two years from the date of purchase Please record the following: by the original using buyer, or if this date cannot be established, the date the product was sold by Thern, Inc. to the Date Purchased: dealer.
  • Page 3 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes page 3 Suggestions for Safe Operation DO the following: Read and comply with the guidelines set forth in this Owner’s Manual. Keep this manual, and all labels attached to the crane, readable and with the equipment at all times.
  • Page 4 4 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Suggestions for Safe Operation (cont.) DO NOT do the following: Do not lift people, or things over people. Do not walk or work under a load or in the line of force of any load.
  • Page 5 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes page 5 Installing the Crane Do not install the crane in an area defined as hazardous by the National Electric Important! Code, unless installation in such an area has been thoroughly approved.

  • Page 6: Assembling The Crane

    6 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Assembling the Crane When installing the support jack, support the end of the boom so the boom does Important! not fall and the support jack does not swing causing damage or injury.

  • Page 7: General Theory Of Operation

    Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes page 7 General Theory of Operation THE INTENDED USE of this machinery is to lift and lower loads of its 2.1.1 rated capacity or less. It is not for lifting people or things over people.

  • Page 8: Preparing For Operation

    8 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Preparing for Operation Important! • When determining whether Do not make adjustments to the ratchet jack while the crane is loaded. To do so may require the use of excessive force which could cause damage or injury.

  • Page 9: Attaching The Load

    Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes page 9 Attaching the Load Figure 4 – Attaching Load Do not wrap the wire rope around the load. This damages the wire rope and could cause the load to escape. Use a sling or other approved lifting device.
  • Page 10 10 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Cleaning the Crane Clean the crane to remove dirt and help prevent rust and corrosion. Important! CLEAN THE CRANE every six months or whenever it is dirty. 3.1.1 Increase the frequency of WIPE ALL EQUIPMENT to remove dirt and grease.
  • Page 11 11 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Disassembling the Crane When removing the boom extension, hold the boom extension securely so it does not slide abruptly in or out of the boom causing damage or injury.

  • Page 12: Inspecting The Equipment

    12 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Inspecting the Equipment Important! Do not use damaged or malfunctioning equipment. Place an “OUT OF ORDER” • Start an inspection program as sign on the crane. Do not use the crane until the sign is removed by a qualified soon as you put the crane into use.
  • Page 13 13 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Table 2 – Inspection Checklist checked boxes indicate damage or problem in need of repair damages problems general finish weathered, flaking, otherwise damaged equipment not properly lubricated parts cracked, bent, rusted, worn, otherwise damaged...
  • Page 14 14 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Instructions for Periodic Inspection 3.4.4 Perform periodic inspections: VISUALLY INSPECT the crane and all other equipment. • Every 6 months. • Disassembly may be required in order to properly inspect individual components.
  • Page 15 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes page 15 TEST CRANE PERFORMANCE by operating the crane with a load equal to Figure 8 – Rope Diameter the load rating. • Listen for unusual noises, and look for signs of damage as you operate the crane.
  • Page 16 16 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Repairing the Crane GET FACTORY AUTHORIZATION for all repairs. Unauthorized repairs 3.5.1 will void the warranty, and may lead to damage or failure of the crane. Important! REPLACE DAMAGED OR POORLY OPERATING PARTS with Thern 3.5.2...

  • Page 17: Field Test Procedure

    Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes page 17 Field Test Procedure Use the following instructions to perform a pre-service load test on new, undamaged, and unaltered equipment only. For field testing of existing in-service equipment, do not exceed 100% rated capacity.
  • Page 18 18 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Transporting the Crane PARTIALLY DISASSEMBLE THE CRANE into components that can be 4.1.1 transported. Important! PACK THE CRANE for transport, using the original packaging materials, 4.1.2 • Keep a record of if appropriate.
  • Page 19 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes page 19 Model 5FT40 * Specify finish when ordering. item description part number quantity WELDMENT BASE 5FT40 A27438 * DRIVE SLEWING WE12 MANUAL A27164 * CAPSCR SOKHD M16-2.0 X 50MM M567 12.9 A13915 WASHER FLT M16 X 30MM X 3.3MM M567...
  • Page 20 20 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes Model 5FT40H * Specify finish when ordering. item description part number Quantity WELDMENT BASE 5FT40 A27438 * DRIVE SLEWING WE12 MANUAL A27164 * CAPSCR SOKHD M16-2.0 X 50MM M567 12.9 A13915 WASHER FLT M16 X 30MM X 3.3MM M567...
  • Page 21 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes page 21 A27607-A-1120...
  • Page 22 22 Owner's Manual for Thern 5FT40 Captain Series Stationary Davit Cranes -M1 * -M1X * -M2X description part number part number part number part number MANUAL WINCH M452B-K M452BEGRA-K 2W40V-BM-K 2W40V-BMX--K (x4) CAPSCR HEXHD A4192 A4192 A4192 A4192 (x4) HEX NUT...
  • Page 23 Study all applicable codes, manuals may vary from the original design. Contact Thern, Inc. for this information. and regulations. Be sure to read the Owner's 3 Wire rope assemblies include a swivel hook with an unfini s hed end.
  • Page 24 Thern Winches & Cranes Thern, Incorporated Thern Europe B.V. Corporate Headquarters Regional Headquarters & Manufacturing Amsterdam Shiphol Tetra 5712 Industrial Park Road Siriusdreef 17-27 Winona, MN 55987 2132 WT Hoofddorp Toll Free: 1-800-843-7648 The Netherlands Phone: 1-507-454-2996 Phone: +31-546-898-380 Email: info@thern.com Email: europe@thern.com...

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