Graco Inc GC-1387J important safety instructions Pressure Relief Procedure, Daily Maintenance

Pressure Relief Procedure

4. Verify the Trigger lock is engaged.

To relieve fluid and air pressures:

1.Push down Yellow slide valve, P/N 21402-00 to bleed off air to system.

2.Open P/N 21228-00 on catalyst pump to recirculation position.

3.Open P/N 21192-00 on bottom of material pump.

Daily Maintenance

It is recommended that the following service be per- formed on a daily basis.

1.Remove gear cover, p/n: 23756-00, and inspect valves to see if there is any leakage on the top or bottom side of the valves. If there is leakage, with pressure relieved, tighten packing nut, p/n: 23764-00 1/8 to 1/4 turn until leak stops. Verify that there is no leakage.

2.Maintain a reasonable stock level of “wear” items such as Packings, Seals and O-Rings

3.If dispense gun is leak tested, be sure to dry gun thoroughly.

4.Never leave dispense gun immersed in any liquid.

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