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SECTION 2 – COMPONENTS
PAGE 2-6 REv. 0 2014-APR-30
ELECTRIC-PNEUMATIC ACTUATOR
Part No. 439569 (normally supplied with agent tanks or
expellant gas cartridge/bracket assemblies)
Attaches to agent tank expellant gas cartridge and provides
release of gas into agent tank. See Figure 2-19.
For electrical actuation install Release Circuit Drop Cable (with
PAD), see Figure 2-22. on system activation, Electric-Pneu
-
matic Actuator punctures a seal in the expellant gas cartridge
allowing expellant gas to flow into the agent tank.
The actuator includes a Preventor to reduce the possibility
of installing actuator with the puncture pin not completely
retracted. Note:
Do not bend or remove the Preventor; it is
required for correct operation of the actuator.
The actuator includes optional pneumatic actuation hose ports.
Temperature range:
Electrically with PAD
– 40 °F to 185 °F
(– 40 °C to 85 °C)
Pneumatic only
– 65 °F to 221 °F
(– 54 °C to 105 °C)
FIGURE 2-19
ELECTRIC-PNEUMATIC ACTUATOR
009168
PROTRACTING ACTUATION DEVICE (PAD)
Part No. 439448
Provides electrical activation of the fire suppression system.
See Figure 2-20 and 2-21.
CAUTION
!
When handling the PAD, always point actuating end away
from yourself and others. on electrical initiation, PAD operates
very quickly and a small brass disk forcefully separates from
actuating end. Physical injury may occur from contact with the
actuating pin and/or the detaching disk.
PROTRACTING ACTUATION DEVICE (PAD) (Continued)
• Generates force to drive the Electric-Pneumatic Actuator
puncture pin through an expellant gas cartridge seal,
allowing the expellant gas to flow into agent tank.
• Integral spade connectors easily field-install into the Release
Circuit Drop Cable. See Figure 2-20.
FIGURE 2-20
PAD
009169
FIGURE 2-21
PAD FIELD INSTALLED IN
RELEASE CIRCUIT DROP CABLE
009170
FIGURE 2-22
ELECTRICAL ACTUATION FOR
ELECTRIC-PNEUMATIC ACTUATOR
009171
CHECKFIRE 110
Detection and Actuation System
PREvEnToR
oUTLET –
ExPELLAnT GAS
To AGEnT TAnk
ACTUAToR CAP (IF REMovED
kEEP FoR MAInTEnAnCE)
1/4 In. nPT BRASS
PLUG (oPTIonAL
PnEUMATIC
ACTUATIon HoSE
PoRT – TWo
PLACES)
SPADE
ConnECToRS
ACTUATInG
EnD
ACTUAToR CAP
REMovED
o-RInG
ACTUATED
PAD