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TIM10-4939-246-13&P
1-11. SAFETYINTERLOCKS.- continued
f.
With the lever (3) full open, the round portion of the lever prevents rotation of the collar (2) to the disengage
direction.
g.
These interlocks prevent accidentally opening the poppet (4) when the nozzle is disengaged or accidentally
disengaging the nozzle when the poppet is open.
h.
The poppet (4) linkage is over center at each extreme of travel (lever (3) full open against internal mechanical
stop or full closed against internal mechanical stop).
i.
Internal pressure against a closed poppet (4), when the linkage is against the closed mechanical stop, provides a
force only in the closed direction. This is due to the over center linkage design.
j.
With the lever (3) in the full open/mechanical stop position, the 50 lb force applied by the adapter poppet spring
provides a force only in the open direction. This is due to the over center linkage design.
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