Installation
06-237619-001 4-17 April 2020
4-6.7 Installing Release Units
Figure 4-15. Release Unit
Release units should be installed on the outside, left most cylinder whenever possible. This
provides some protection under the manifold and provides easy access for manual discharge.
When connecting multiple cylinders using the actuation hoses, use the following:
Install the release units on the master cylinders in the locations specified on the cylinder bank
assembly drawings using the following procedure:
Note: As the release unit seals against the cylinder valve with an O-ring, ensure the inlet port
is free from dirt or other impurities and properly lubricated. Always use clean hands and
tools.
1. Make sure the O-ring in the connecting swivel of the release unit is in place and properly
lubricated. If lubrication is missing, use silicone spray (Würth Art no: 0893221 or similar).
2. Install the release unit on the cylinder valve and tighten swivel nut by hand until pressure
is indicated on the gauge.
3. Secure the connecting swivel of the release unit by the use of an M36 A/F fixed wrench.
Apply a torque of 44.25 ± 0.75 ft lb (60 ± 1 N-m) on the unit. A counter hold may be re-
quired during tightening.
4. Leak test all connections on the release unit by means of ammonium-free leak detection
liquid or spray, ensuring that there is no leakage
Table 4-9. Actuation Hose Usage
Connection Type Actuation Hose Used
80 Liter Cylinders
Release Unit to Cylinder Valve 38-401110-400
Interconnecting Valves in the same row (inline valve to valve) 38-401110-500
Interconnecting Valves in different rows (inbetween cylinder rows) 38-401130-600
CAUTION
Only the O-ring should be lubricated. Excessive lubricant in the valve port will
enter into the solenoid valve itself when pressurized and may jeopardize the
performance.
CAUTION
Do not tamper with the release unit. Any adjustment to components pre-fitted
to the connector block will lead to a leak. After the release unit is pressurized,
do not adjust the alignment as this may reset the shredder valve in the cylinder
valve causing it to discharge or not seal properly.
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