Section 2 — Post Installation Start-up and Adjustments

Air-cooled Generators

1.

Turn off utility power to the main distribution

 

 

panel in the house. This can be done by switching

 

 

the service main breaker to the off or open posi-

 

 

tion.

 

 

 

2.

Allow the generator to start. Before loading the

 

 

generator, confirm that the No Load Frequency,

 

 

with the roof open and door off, is set to 63-63.5

 

 

Hz. Transfer load to emergency circuits.

3.

Turn on appliances, lights, pumps, etc., that are

 

 

on the emergency circuits in an attempt to fully

 

 

load the generator. Be cautious not to overload

 

 

the generator. Use the following chart as a guide:

 

 

 

 

 

 

 

Unit

120 Volts

240 Volts

 

 

 

7 kW

50.0 amps

25.0 amps

 

 

 

 

4.

When 3/4 load has been achieved. Connect a fre-

 

 

quency meter to the output lugs of the generator’s

 

 

main line circuit breaker.

 

 

5.

The fuel regulator is fitted with one adjustment

 

 

screw. While watching the frequency meter, slowly

 

 

turn the adjustment screw clockwise or counter-

 

 

clockwise until the highest frequency is read on

 

 

the meter. Only limited adjustment is available

 

 

because of the set pin. Under no circumstances

 

 

should any of the pins be removed (Figure 2.1).

Figure 2.1 — 7kW Fuel Regulator

410cc Engine

Adjustment

Set

Screw

(One Side

Pin

Only)

 

6.When the highest frequency is reached maximum power has been set. From this point turn the adjustment screw 1/4 turn counterclockwise. The regulator is now set.

7.Turn utility power to the main distribution panel back on. This can be done by switching the ser- vice main breaker to the on or closed position. Allow the generator to shut down.

14

Do not make any unnecessary adjustments. Factory settings are correct for most applica- tions. However, when making adjustments, be careful to avoid overspeeding the engine.

If this procedure or the test equipment is not avail- able, locate the nearest Dealer and they can perform the adjustments.

NOTE:

A service fee may be charged for this adjustment.

2.7ENGINE GOVERNOR ADJUSTMENT

If both AC frequency and voltage are correspondingly high or low, adjust the engine governor as follows:

‹2.7.1 7 KW UNITS

The2. engine must be OFF to perform steps 1 and

1.Loosen the governor clamp bolt (Figures 2.2).

2.Hold the governor lever at its wide open throttle position (clockwise), and rotate the governor shaft clockwise as far as it will go. Then, tighten the governor lever clamp bolt to 70 inch-pounds (8 N-m).

3.Start the generator; let it stabilize and warm up at no-load.

Figure 2.2 — Engine Governor Adjustment

Single Cylinder Engines

SECONDARY

ADJUST SCREW

GOVERNOR

SHAFT

GOVERNOR

PRIMARY

CLAMP

ADJUST

BOLT

SCREW

 

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Guardian Technologies 005244, 005281, 005282, 005283, 005284, 005280, 005243 Engine Governor Adjustment, ‹ 2.7.1 7 KW Units
Page 15 Page 17

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