NEVER operate the generator under the following conditions:

A. Excessive change in engine speed, slow or fast.

B.Overheating in load connecting devices.

C.Sparking or arcs from generator.

D.Loss of electrical output.

E.Damaged receptacles.

F.Engine misfire.

G.Excessive vibration.

H.Enclosed compartments, or confined areas.

I.Flame or smoke.

J.Rain, snow or wet conditions.

K.Operator non-attendance.

WARNING Keep fire extinguisher close by your generator and be familiar on how to use it. Consult your local fire department for correct extinguisher type.

INSTALLATION

OUTDOORS: Choose a location where the generator will not be exposed to rain, snow or direct sunlight. Position the generator on secure, level ground so it will not tip or slide down a hill. Place the generator so that the exhaust fumes will not be directed towards people.

The installation site must be free from water, moisture, or dust. All electrical components should be protected from excessive moisture or the insulation system will deteriorate and result in grounding or shorting out the generating system.

Foreign matters, such as dust, dirt, sand, lint, or abrasive materials can cause damage to the generator head and engine if allowed into its cooling system.

POWER TRANSMISSION: The recommended method to transfer the power from the engine to the generator is by using sheaves (pulleys) and a V-belt. The generator shaft is 7/8” diameter X 1.50” long with a 3/16” keyway. Use the table below to select the correct diameter sheave. All V-belts have a B size cross section.

Engine hp

Single Sheave Dia.

Single Sheave Dia.

Belt Type - Qty.

Belt Type - Qty.

 

5 hp

3.60”

4.80”

Notched V-Belt - 1

V-Belt - 1

 

The shaft speed of the generator must be between 3540-3720 RPM. At no load the correct speed is 3720 RPM. If the engine is a 3600 RPM engine, than a sheave diameter ratio of 1:1 should be used. This means that the diameter of the sheave on the engine is the same as the diameter of the sheave on the generator. If smaller than recommended sheaves are used, the life of the belt will be shortened. The

Figure 3

00038

Note: Guards are removed to show details.

possibility of belt slippage also increases with a smaller sheave.

The engine and generator should be mounted to a plate or surface that can withstand the constant vibration and stresses that will be produced. See figure 3 for a possible mounting configuration.

The user shall determine the proper belt tensioning method for their specific use.

To determine belt tension:

 

Measure L - the

 

center to center

 

distance of the two

 

sheaves

 

Measure d - the

 

deflection of the

 

belt.

 

Tighten or loosen

 

belt until:

 

d = 0.016 X L

00039

If you desire to direct couple the generator to the engine, great care must be taken to align the shaft of the generator and engine to within the specified tolerances of the chosen coupler.

NEVER install your generator inside confined areas. Inside installation can cause health hazards or death.

DANGER Always have proper guarding on the V-belt and sheaves to prevent access to any pinch points. Failure to guard the power transmission mechanisms may result in serious injury or death.

DANGER Remember, exhaust fumes are deadly carbon monoxide gas, and must be vented to the outside where there are no people. Cooling air of

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North Star 2900 owner manual Installation, To determine belt tension Measure L, Measure d, = 0.016 X L

2900 specifications

The North Star 2900 is a cutting-edge vessel designed for various marine applications, particularly in the realms of recreation and commercial use. This versatile yacht emphasizes performance, comfort, and advanced technology, setting it apart in the competitive maritime market.

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