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14 GC-1387H
To relieve uid 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.
4. Verify the Trigger lock is engaged.
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.
Pressure Relief Procedure