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
•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 | 39 |