Graco 3A2497BPro User Manual download pdf (Page 47)

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 26, 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 40, before disassembling

the gun.

• 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 ge

nuine 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 31.

2. Relieve the pressure. See

Pressure Relief Procedure, page 26.

3. Disconnect the gun air and ﬂuid lines.

4. Remove the gun from the worksite. Repair area

must be clean.

3A2497B

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Graco 3A2497BPro User Manual Page 47