TJ-581-01_Anchor Windlass Operation and Maintenance Manual.pdf

This is an Operation and Maintenance Manual for the McElroy Model MDW-137-LBH Anchor Windlass, a double electro-hydraulic hauling device manufactured by McElroy Machine & Manufacturing Company for Halter Marine Inc. The manual is approved for distribution to U.S. Government agencies and their contractors for administrative and operational use, with a distribution statement dated May 1, 1991, and contains technical data restricted under the Arms Export Control Act.

The manual comprises eight chapters covering general information and safety precautions, operation, functional description, scheduled maintenance, troubleshooting, corrective maintenance, parts lists, and installation procedures. The anchor windlass features a 50 HP electric motor operating at 230/460V, 3 PH, 60 Hz with a line pull capacity of 26,000 lbs at 34 FPM. Major components include a hydraulic pump (25 gpm vane pump), relief valve, return filter, directional control valve, hydraulic motor and brake, and a Link-Belt worm gear speed reducer (Model LBE225-12V) reducing motor speed up to 450 RPM. The unit weighs 4,920 pounds and measures 88.375 inches in length, 64.125 inches in width, and 45.25 inches in height. Scheduled maintenance includes daily inspection of brakes, clutches, and lubrication points; monthly checks of the gear reducer oil level and output shaft bearing lubrication; and comprehensive inspections every six months for wear and excessive leakage. Hydraulic fluid changes are required after 2,000 operating hours initially, then every 2,000 hours or annually thereafter. The manual includes detailed troubleshooting tables, corrective maintenance procedures for all major assemblies, comprehensive parts lists with manufacturer part numbers, and installation guidance covering foundation requirements, leveling, gear reducer mounting, and power unit bolting specifications.