CGC_HEALY_SOW_New_Bow_Thruster_Gearbox.docx

Scope of Work Gear reducer Scope: The Coast Guard seeks a source for the production and delivery for a single reduction speed reducer for the USCGC HEALY. This speed reducer is part of the Bow Thruster system, and shall meet the following requirements:

Performance Requirements Input speed: 1750 RPM Gear Ratio: 4.375:1 Rated continuous horsepower: 2200 Expected Service Life: 20 years, with 1500 operating hours/year.

Forced lubrication with raw water to oil heat exchanger and integral oil filtration, fan cooling, and immersion heater.

Dimensions See sketch that follows.

Rights in data The Coast Guard and its contractors may utilize all provided technical data for the maintenance of the provided equipment, including overhaul and repair, for the life of the cutter.

Logistics Support Commercial off the shelf technical manual with the following information as a minimum:

General Information and Safety Operation Functional Description Scheduled Maintenance Troubleshooting Corrective Maintenance Parts List Installation Instructions

Outline drawing in CAD or .pdf of the unit/assembly.

Detail drawings of the pinion gear and shaft, and driven gear and shaft, with all dimensions and tolerances, in CAD or .pdf.

Designed and maximum allowable gear train backlash. Designed and maximum allowable thrust bearing clearance. Designed and maximum allowable radial bearing clearance on both input and output shaft.

Complete parts list, with offerors part numbers, and, if components are “bought in” (examples: commercial seals, bearings), the OEM, and their part numbers.