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User's Manual

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Component Descriptions
September 2013 2-74 P/N 81-CO2MAN-001
2-8.11 Blow-Off Fixture
The blow-off fixture, Part No. 81-930117-000 (Figure 2-81), is used to relieve the CO
2
cylinder
assemblies of pressure. The blow-off fixture threads onto the cylinder valve pilot port and
opens the pilot check for controlled discharge.
Figure 2-81. Blow-Off Fixture
2-9 INSTRUCTION AND WARNING PLATES
Instruction and warning plates are available for installation throughout the protected area and
at the cylinder storage area to provide operating instructions and appropriate precautions in
the event of an emergency.
2-9.1 Main and Reserve Nameplates
The main and reserve nameplates, Part Nos. WK-310330-000 and WK-310340-000
respectively (Figure 2-82), are used to identify the primary and backup carbon dioxide
suppression.
(4) VENT HOLES
DIAMOND KNURL
PIN
1-1/4 -18 NS-3 THREAD
FOR ATTACHMENT TO
VALVE PILOT PORT
1-1/2 in.
(38 mm)