Graco 3A1705J important safety instructions Maintenance

3.Replace cap. Tighten past the “safety” latch position.

4.Press start button twice on the engine control module.

5.Turn main power switch on.

6.Inspect coolant flow in sight glass (SG) for bubbles and to verify that the coolant is flowing.

7.Inspect coolant loops for leaking fittings or valves.

8.The coolant has reached operating temperature when the radiator fan turns on. When the fan turns on, turn the main power switch OFF.

Maintenance

9.Press to stop the generator.

10.After the coolant system temperature lowers to ambient temperature, refill or add coolant to the expansion bottle (HB) cold level indicator line.

11.Turn off manual valve switch (MV) to close the A and B heat exchanger control valves (VA, VB) and bypass control valve (VC).

Note

When the manual valve switch (MV) is in the OFF position, the load center (LC) LEDs only turn on when the system opens the valves.

12.If necessary, refill or add coolant to the expansion bottle (HB) cold level indicator line. See Fig. 42.

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