Maintenance
06-237518-001
6-5
July 2018
6-6.6
Check Release Units
Test release units for proper operation.
6-6.6.1
Release Unit Test for Systems with One Release Unit
Release units must be tested every 6 months for proper operation. This test can be performed
without fully discharging the Kidde IGS agent cylinders. Test as follows:
Figure 6-1. Typical Primary Cylinder/Valve Assembly (Rear View)
1. Disconnect slave cylinder hose from back of master valve cylinder and insert a spare
bleeder/vent valve.
Figure 6-2. Spare Pilot Line Bleed Valve Location
2. Remove discharge hose from outlet port on the top of the valve and replace with anti-recoil
cap and tighten to 38-42Nm torque.
3. Operate the release unit automatically via the detection or manually via the release
on the control panel (if applicable).
4. Check that indication pin is protruding out of the anti-recoil cap.
5. Reset electric manual release (if applicable) and reset control panel to de-energise release
unit solenoid.
6. De-pressurize pilot hose by depressing pin within the spare Pilot Line Bleed Valve using an
appropriately sized pin punch.
7. Remove the spare Pilot Line Bleed Valve and re-connect pilot hose from slave cylinder.
8. Remove anti-recoil cap and reconnect discharge hose and tighten to 38-42Nm torque.
9. Reconnect all actuation hoses.
Discharge Hose
Valve
Release Unit
Actuation Hose
Cylinder
Release Outlet
Release Inlet
Release Unit
Actuation Hose
Release Outlet
Release Inlet
Install Spare
Bleeder Valve Here
Содержание 400 Series
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