GENERAL SPECIFICATION FOR HYTEK MARINE GEARBOXES AND CLUTCH UNITS

Make: 			Hytek A/S Ingeniører
			Norway

Direction of rotation: 		Both directions of rotations are available

Performance: 		Powers up to 5000 kW can be supplied
			Torques up to 1000 kNm on one shaft can be supplied.

Design types available: 	Co-axial
			Horizontal offset
			Vertical offset
			Horizontal and vertical offset
			Angular offset sidewise, upwards or downwards


Materials: 			Casing in cast iron
			Shafts St 52.3 or better
			Gears 17CrNiMo6 or similar
Bearings: 			Heavy duty oil lubricated roller bearings
Coating: 			Precision ground and top coated

Instrumentation and equipment:
			Mechanically driven lube oil pump
			Optional: Electrically driven stand by pump
			Oil cooler
			Oil pressure filter
			Breather
			Lube oil pressure switches with digital pressure gauge
			Clutch oil pressure switches with digital pressure gauge
			Oil temperature gauge
			High oil temperature alarm switch
			Built in hydraulically operated clutch
			Solenoid valve with 220VAC/24VDC for the clutch engagement

Oil cooler: 			Max. 32oC as standard supply, any other request can be meet
			including fresh water cooling.

Lubrication: 		Large capacity oil sump combined with positive 
			displacement oil pump. All bearings and gear meshes
			are lubricated by pressurized lube oil.

Spares and tools:
Classification requirement: 	No requirements 
Two years on board spares: 	2 off filter inserts
			1 off rubber element for gear driven lube oil pump
Tools: 			No special tools are required for any of the equipment 
			supplied by Hytek.

DOCUMENTATION

The following documentation will be provided:

				* User manual in 3 fold (English language)
				* Dimensional drawing
				* J-scheme for TVC (torsional vibration calculations)
				* Instrumentation diagram
				* Certificates by: Any surveying company