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Air Kit Option
Air Kit Option
Overview
The Air Kit Option is a set of hardware and firmware to
provide control and operation of pneumatic grips in sev-
eral manual and semi-automatic modes during testing
sessions. It consists of a Pneumatic Control Box, a Foot-
switch assembly, and interconnecting electrical cables
and air hoses. It does not include the grips or the air sup-
ply. The air kit connection on the load frame, internal
wiring, circuits, and firmware are part of the Model
4400. A complete description of the Air Kit, its specifi-
cations, installation, manual operation, maintenance, and
parts breakdown are all given in the Pneumatic Grip
Control manual, M10-82701-1.
Early Model 4400 Consoles did not have the required
grip control firmware. These systems require a separate
firmware upgrade to operate an aftermarket (not pur-
chased with the testing system) Air Kit Option. If you
are not certain whether your system contains the grip
control firmware, use the grip control key sequences
given later in this section to see if the functions are pre-
sent.
Description
In the Model 4400, the upper and lower pneumatic grips
are actuated by air pressure controlled by two solenoid
valves in the Pneumatic Control Box. The grips are pas-
sive in that they do not require pneumatic or electrical
controls as part of the grips themselves. In operation, the
grip jaws close when air pressure is applied and the sole-
6-44
M10-94400-1
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