Safety Stop; Manual Valves - Graco 311322L Operation, Parts, Service And Repair

Operation

Safety Stop

Always engage safety stop, close both man-
ual valves, and disconnect air before clean-
ing, maintaining, or repairing gun, or any time
gun is not in use.
The GAP Pro gun has a 2-position safety stop.
When engaged, it prevents accidental trigger-
ing of gun. When disengaged, it allows gun to
dispense.
1. To engage the safety stop, push in and
turn the safety stop knob clockwise. See
F . 3.
IG
F . 3. Engage Safety Stop
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2. To disengage the safety stop, push in
and turn the safety stop knob counterclock-
wise. See F . 4.
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F . 4. Disengage Safety Stop
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12

Manual Valves

Manual valves located on the side blocks con-
trol flow of each chemical component to gun.
Triggering gun with manual valves closed
may cause crossover if gun ports contain
residual chemical.
Always engage safety stop, close both man-
ual valves, and disconnect air before clean-
ing, maintaining, or repairing gun, or any time
gun is not in use.
Never open a manual valve unless side block
is secured to gun or exit port is directed into
flush pail.
1. Open manual valves using a 5/16 in. nut
driver; turn manual valves counterclock-
wise approximately three full turns.
2. Close manual valves by turning fully clock-
wise.
Coupling
Blocks
F . 5. Manual Valves
IG
Manual
Valves
311322L