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PRM1000 D3 hydraulische scheepskeerkoppeling

Oorspronkelijke prijs was: €7.829,95.Huidige prijs is: €6.519,95.

Inclusief 21% belasting
Product ID: 83493

✓ 3 stuks zelfde dag verzonden, indien besteld op werkdagen voor 15:30 uur (geen afhaal mogelijk)

Warranty: 2 jaar

Artikelnummer: KK1000D3 Categorieën: , , ,

Product ID: 83493

Beschrijving

The PRM1000 marine gearbox is purpose built for use in both pleasure craft and commercial boats; its twin countershaft design provides separate oil-operated multi-disc clutches (which need no adjustment) for ahead and astern drive allowing full rated power to be transmitted continuously in either direction.

To cater for the widest possible variety of boats the PRM1000 is offered either with output shaft, offset or 10° down angle output shaft. Reduction ratios available are 1.53:1, 2.03:1, 2.86:1, and 4.00:1 (4.00:1 reduction is not available on down angle gearbox) all of which can provide either left-hand or right-hand propeller rotation in “ahead”, making the gearbox particularly well suited to twin engine installations.

The gearcase is constructed of high grade cast iron, internally ribbed for rigidity and strength, and consists of two separate halves to facilitate servicing, the oil pump and hydraulic control valves being externally mounted for easy accessibility.

The hydraulic operating system functions on normal lubricating oil of the same viscosity as that used in the engine, avoiding the need to use automatic transmission fluid, and ensures rapid response to movements of the operating lever for good boat handling. The operating lever has a positive neutral detent and is suitable for use with proprietary single lever remote control operating systems.

Robust and reliable, the hydraulic system is nevertheless provided with a mechanical lock-up device for added security, so that in the unlikely event of hydraulic failure the boat can be brought safely back to port. Access to this device is via a detachable cover located on top of the main gearcase

A special feature of the PRM1000 is the clutched power take-off which is available as an optional extra; this will power a hydraulic pump to SAE J744C type ‘B’ specification, thus providing an economical and space efficient means of driving on-board machinery.

An electronically operated trolling valve can be fitted, which will allow variable speed of the propeller to zero whilst allowing a maximum engine speed of up to 1200 rpm.

Nominal Power Ratings, PRM1000 ‘A’ (with Angle Drive) Marine Gearbox

Model Ahead Ratio Pleasure Light Commercial Heavy Commercial
kW BHP kW BHP kW BHP
1000A1.5 1.53:1 9.66 12.95 7.10 9.52 6.67 8.95
1000A2 2.03:1 9.43 12.64 7.10 9.52 6.67 8.95
1000A3 2.857:1 8.58 11.50 7.10 9.52 6.67 8.95

Maximum operating speeds: 3500 rev/min intermittent, 3000 rev/min continuous

 

Nominal Power Ratings, PRM1000 ‘D’ (Drop Centre) Marine Gearbox

Model Ahead Ratio Pleasure Light Commercial Heavy Commercial
kW BHP kW BHP kW BHP
1000D1.5 1.53:1 10.47 14.04 7.75 10.39 7.33 9.82
1000D2 2.03:1 9.43 12.64 7.44 9.96 7.02 9.40
1000D3 2.857:1 8.58 11.50 7.44 9.96 7.02 9.40
1000D4 4.000:1

Maximum operating speeds: 3500 rev/min intermittent, 3000 rev/min continuous

Note: These powers are expressed in BHP and kW per 100 rev/min engine operating speed, and are measured at the engine flywheel. Ratings have been established to ensure the long trouble free life of the gearbox which should not, therefore, be exceeded.

Operating Pressure

Minimum – 30.34 bar (440 lb./in²), Maximum – 33.44 bar (485 lb./in²). Two tapped holes 1/8″ BSP on the top, and M18 on the side of the valve block are provided so that the pressure gauge can be fitted if required.

Oil Cooling

The normal operating temperature of the oil should be in the 50°C – 80°C range and should not be permitted to exceed 90°C. An oil cooler is necessary to ensure that correct operating temperatures are maintained, and two 3/8″ BSP connections are provided on the valve block to allow it to be fitted. The size of the cooler required depends on a number of factors including the transmitted horsepower, operating speed, duty cycle, inlet water temperature and ambient temperature.

Propeller Thrust

Both ahead and astern thrust is carried by the output shaft bearings which are of adequate capacity for all factory approved ratings.

Approximate Weight & Oil Capacity

Gearbox Approximate dry weight Oil capacity
PRM1000D 86kg (190lb) excluding adaptor, drive coupling and oil cooler. 3.0 litres (5.28 pints) plus the amount required to fill the cooling circuit
PRM1000D4 93kg (205lb) 4.0 litres (7.04 pints)
PRM1000A 118kg (260lb) 3.5 litres (6.16 pints)


Flexible Input Coupling for PRM1000

Part Number Outside Diameter Mounting Hole Pattern Remarks
mm. in. No. Diameter Pitch Circle Dia.
mm in mm in
MT4915 352.4 13.875 8 10.99 0.433 333.4 13.125 SAE 11 ½ in
MT4916 466.7 18.375 8 12.70 0.500 438.2 17.250 SAE 14 in


Adaptor Flanges For PRM1000

Part Number Description Weight
kg lb
MT4586S/A SAE1 adaptor flange For ratio up to 2.86:1 19.3 42.5
MT4587S/A SAE2 adaptor flange 14.7 32.4
MT4588S/A SAE3 adaptor flange 12.4 27.3
MT4889S/A SAE1 adaptor flange For ratio

4:1 only

19.3 42.5
MT4890S/A SAE2 adaptor flange 14.7 32.4
MT4891S/A SAE3 adaptor flange 12.4 27.3

Other Accessories For PRM1000

Part Number Description Weight
kg lb
MT0205S/A Clutched power take-off for SAE ‘B’ Hydraulic pump 11.2 24.7
MT4611S/A Oil cooler kit: PRM1000D engines up to 180 kW
PRM1000A & PRM1000 with PTO engines up to 150 kW
1.70 3.75
MT4735S/A Oil cooler kit:  PRM1000D engines over 130 kW
PRM1000A & PRM1000 with PTO engines over 105 kW
4.40 9.70
MT915 Oil pipes (pair) 0.50 1.10
MT783 Tail shaft half coupling (pilot bored) not 4:1 ratio 5.60 12.30
MT4594 Tail shaft half coupling (pilot bored) 4:1 ratio only 10.10 22.30
MT1105 Tail shaft flexible coupling 2.50 5.30
MT5036 Oil pressure gauge (direct mounting) 0.10 0.20
MT0345 10° Angle drive unit (supplied loose) 32.20 70.84

Service Classification Definitions – Pleasure

Limited to planing hull pleasure craft; operation at full engine throttle should not exceed 5% of total time, with balance of usage at 90% of full throttle engine speed, or less. Maximum operation 500 hours per year. The selection of PRM marine transmissions according to this classification for any commercial boat, or in sport-fishing charter boats or in long range pleasure cruisers, is not approved.

Service Classification Definitions – Light Commercial

Planing or semi-displacement craft used in pleasure or commercial applications may qualify for light commercial rating if annual usage is less than 1500 hours and full throttle operation is limited, with most operating time at partial throttle.

Service Classification Definitions – Heavy Commercial

PRM Newage Limited recommends that all displacement and semi-displacement craft used for commercial applications should be classed as heavy commercial duty. In vessels of this type (including trawlers, purse seiners, lobster and crab boats, tugs, ferries, offshore supply boats etc.) the marine gearbox is expected to work at full governed engine speed. The power setting of the engine must be known and must be within the gearbox’s permissible heavy commercial rating.

Important Note

  1. It is essential for the engine, transmission model, reduction ratio and propeller size to be correctly matched so that the engine can attain its rated speed appropriate to the relevant service classification without labouring.
  2. It is also necessary to ensure the torsional compatibility of the complete propulsion system from engine through to propeller, since disregarding this may result in gear noise, particularly at low speed operation, and may even result in damage to the engine as well as the transmission components.

PRM Newage Ltd will provide all possible information and assistance to help find solutions to potential torsional problems, but it is the ultimate responsibility of the person assembling the drive and driven equipment to ensure that they are torsionally compatible.

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