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Operation Basics
8 311320G
Manual Valves
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.
FIG. 4: Manual Valves
Remove 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.
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.
Manual Valves
To prevent release of pressurized chemical,
close both manual valves before removing
coupling block.