Guardian-technologies 04758-2 Manuale Utente Scaricare il pdf (Pagina 19)

3.7.2 HIGH TEMPERATURE SWITCH

This switch’s contacts (Figure 3.3) close if the tem-

perature should exceed approximately 140º C (284º

F), initiating an engine shutdown. The generator will

automatically restart and the LED will reset once the

temperature has returned to a safe operating level.

Figure 3.3 – Low Oil Pressure and

High Temperature Switches

Oil Filter

Oil

Drain

Hose

Low Oil Switch

High Temp Switch

3.7.3 OVERCRANK

This feature prevents the generator from damaging

itself when it continually attempts to start and anoth-

er problem, such as no fuel supply, prevents it from

starting. The unit will crank and rest for a preset time

limit. Then, it will stop cranking, and the LED will

light indicating an overcrank failure. The AUTO/OFF/

MANUAL switch will need to be set to OFF and then

back to AUTO to reset the generator control board.

NOTE:

If the fault is not repaired, the overcrank feature

will continue to activate.

3.7.3.1 Approximate Crank Cycle Times

• 15 seconds ON

• 7 seconds OFF

• 7 seconds ON

• 7 seconds OFF

• Repeat for 45 seconds

Approximately 90 seconds total

3.7.4 OVERSPEED

This feature protects the generator from damage by

shutting it down if it happens to run faster than the

preset limit. This protection also prevents the gen-

erator from supplying an output that could poten-

tially damage appliances connected to the generator

circuit. Contact the nearest Authorized Dealer if this

failure occurs.

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4.1 FUSE

The generator panel’s 15 amp fuse (Figure 4.1) pro-

tects the DC control circuit against overload. The fuse

is wired in series with the battery output lead to the

panel. If the fuse element has melted open, the engine

cannot crank or start. Replace the fuse using only an

identical 15-amp replacement.

The generator panel’s 5 amp fuse protects the battery

charge circuit against overload. If the fuse element has

melted open, battery charging capability will not be

possible. Replace the fuse using only an identical 5

amp replacement. To remove fuse, push cap down and

rotate counterclockwise.

Figure 4.1 – Generator Control Panel

HIGH TEMP.

OVER SPEED

LOW OIL

SYSTEM SET

OVER CRANK

MAN.

SET

OFFAUTO

15A

FUSE

EXERCISE

TIME

POWER SYSTEMS, INC.

Locat e y our nearest dealer at :

FUSE

EX ER CIS E RNOT S ET

N OUTILITYS E NSE

4FLASHIN G R ED LED S =

FLASHIN GGR EEN LED=

4.2 CHECKING THE ENGINE

OIL LEVEL

For oil capacities, see “Specifications,” Section 1.5.

For engine oil recommendations, see Section 4.3.1.

To check the engine oil level, proceed as follows

(Figure 4.2):

1. Start the generator by moving the Auto/Off/

Manual switch to the MANUAL position. Allow it

to run for a short while and then shut it down by

moving the switch to the OFF position.

Figure 4.2 — Oil Dipstick and Fill, 7 kW

Oil Dipstick and Fill

2. Remove the dipstick and wipe it dry with a clean

cloth.

Section 4 — Maintenance

Air-cooled 7 kW, 12 kW and 15 kW Generators

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 55 56

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Guardian-technologies 04758-2 Manuale Utente Pagina 19

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