Repair

Power Supply Removal and Replacement

5.Check the power supply resistance, page 30. Replace if necessary.

Before installing the power supply, make sure the o-rings (12a, 13a), spring (12b), and pads (13e) are in place.

Inspect the gun body power supply cavity for dirt or moisture. Clean with a clean, dry rag.

Do not expose gasket (11) to solvents.

1.Prepare gun for service, page 35.

2.Remove the barrel (9), page 44.

CAUTION

Be careful when handling the power supply (12) to avoid damaging it.

3.Grasp the power supply (12) with your hand. With a gentle side to side motion, free the power sup- ply/alternator assembly from the gun body (32), then carefully pull it straight out. Disconnect the flex- ible circuit (23) from the socket at the top of the body

(32). See FIG. 36..

4.Disconnect the 3-wire connector (GG) from the power supply. Slide the alternator up and off the power supply. Inspect the power supply and alterna- tor for damage. Disconnect the 6-pin flexible circuit

(23)from the power supply.

6.Connect the 6-pin flexible circuit (23) to the power supply.

7.Connect the 3-wire connector (GG). Slide the alter- nator (13) down onto the power supply (12).

8.Lubricate the alternator o-ring (13a) with non-sili- cone grease, Part No. 111265. Do not over-lubri- cate.

9.Lubricate the power supply o-ring (12a) with dielec- tric grease.

10.Insert the power supply/alternator assembly in the gun body (32). Make sure the ground strips make contact with the body. Connect the flexible circuit (23) to the socket at the top of the body. Push the

6-pin connector into the socket to ensure it is prop- erly connected.

11.Install the barrel (6), page 45.

12.Test gun resistance, page 29.

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309298J

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Image 46
Graco Inc TI1713A, 309298J, 244592, PRO Auto Xs AA important safety instructions Power Supply Removal and Replacement

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