Junction Box Circuit Board Replacement

Junction Box Circuit Board Replacement

Removal

1.Disconnect ground terminal of battery and then dis- connect positive terminal of battery.

2.Remove red and black wires from battery area.

3.Unplug control cable and gun arm cable from junc- tion box (179).

179

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4. Disconnect pump counter wires.

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5.Disconnect white and yellow wires behind engine muffler.

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6.Remove four screws (38) and two screws (37) from junction box (179).

179

37

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7. Remove circuit board (178) from junction box (179).

Installation

1.Insert circuit board (178) into junction box (179).

2.Replace four screws (38) and two screws (37) to secure circuit board to junction box (179).

179

37

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3.Reconnect pump counter wires and engine wires.

4.Plug in control cable and gun arm cable.

179

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NOTE: Make sure control cable and gun arm cable have proper strain relief to prevent damage to con- nections.

5.When all maintenance is finished, reattach battery connections.

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3A1696C

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Graco 3A1696C important safety instructions Junction Box Circuit Board Replacement, Removal, Installation