Repair

Prepare the Gun for Service

Installing and repairing this equipment requires access to parts that may cause electric shock or other serious injury if the work is not performed properly. Do not install or service this equipment unless you are trained and qualified.

To reduce the risk of injury, follow the Pressure Relief Procedure, page 27, before checking or servicing any part of the system and whenever you are instructed to relieve the pressure.

Check all possible remedies in Troubleshooting, page 35, before disassembling the gun.

Repair

Use a vise with padded jaws to prevent damage to plastic parts.

Lubricate the some needle assembly parts (20) and certain fluid fittings with dielectric grease (57), as specified in the text.

Lightly lubricate o-rings and seals with non-silicone grease. Order Part No. 111265 Lubricant. Do not over-lubricate.

Only use genuine Graco parts. Do not mix or use parts from other Pro Gun models.

Air Seal Repair Kit 24N789 is available. The kit must be purchased separately. Kit parts are marked with an asterisk, for example (3*).

1.Flush the gun. See Flushing, page 28.

2.Relieve the pressure. See Pressure Relief Procedure, page 27.

3.Disconnect the gun air and fluid lines.

4.Remove the gun from the worksite. Repair area must be clean.

3A2495C

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Graco 3A2495C important safety instructions Repair, Prepare the Gun for Service