Installation
06-237619-001 4-39 April 2020
Before connecting cylinders into the siren pipework, tighten straps until there is clearance
enough to allow the cylinders to be rotated in place if required. Tighten fully when all
components are correctly positioned.
1040 cu. in. cylinders being installed as siren drivers, should have the add-on label P/N 06-
231866-518 (siren driver) affixed to the area at the center of the cylinder label (rectangle with
the dotted line) to indicate the function of the unit.
Note: The label is supplied with the unit.
4-17.2.1 Installation of Flexible Discharge Hose, P/N WK-251821-000
or WK-264986-000
Connect the discharge hose to the piping or manifold as shown on the system drawings. Apply
Teflon tape or pipe jointing compound to the male threads. Ensure that the manifold or system
piping is at the correct height and the cylinder is correctly positioned such that the hose, when
installed, will not be kinked or flattened when installed.
4-17.2.2 Installation Of Discharge Head, P/N WK-872450-000
Attach the discharge head to the flexible discharge hose. The hose must be already attached
to the system piping. Do not connect discharge head(s) to the pilot cylinder valve(s) until all
flex hoses and discharge heads are installed on a common manifold. Install the discharge head
to the pilot cylinder valve as follows:
1. Remove protective cap from the cylinder valve and ensure that the sealing surfaces are
clean.
2. Verify that the discharge head o-rings are correctly seated in their grooves in the swivel
nut. O-rings must be free of dirt and other contaminants. The o-rings are lightly lubricated
at the factory and should not require further lubrication.
3. Ensure that the pilot orifice, located between the inner and outer o-ring seals, is unob-
structed,
4. Install the discharge head on the cylinder valve and tighten securely.
Table 4-17. 1040 cu. in. Nitrogen Pilot Cylinder Strap Installation Dimensions
Part Number Description
ABC
in. mm in. mm in. mm
90-101040-000 1040 cu. in. 21 to 22 533 to 559 6 to 8 152 to 203 10.4 264
WARNING
Discharge hoses must always be connected to the system piping and to the
discharge heads before attaching the discharge heads to the cylinder valves, in
order to prevent injury in the event of an inadvertent discharge.
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