Operation Basics
Manual Valves
Triggering gun with manual valves closed
may cause crossover if gun ports contain residual chemical.
Never open manual valves unless coupling block is secured to gun or exit port is directed into flush pail.
1.Open manual valves using 5/16 in. nut driver; turn manual valves counterclock- wise approximately three full turns. Do not open until it bottoms out.
2.Close manual valves by turning fully clock- wise.
Remove Coupling Block
To prevent release of pressurized chemical, close both manual valves before removing coupling block.
1.Disconnect air hose.
2.Close both manual valves.
3.Remove coupling block mounting screw (FIG. 3).
4.Separate coupling block from gun. Do not lose gaskets.
5.Use gun cleaner to wipe clean mating sur- face of gun block and coupling block. Cover exposed opening with grease.
Manual Valves
FIG. 4: Manual Valves
8 | 311320G |