
Maintenance Manual
23
PEFS F3 Maintenance Manual, Version 1.2, Feb 2018
© Copyright 2017 Chubb Fire & Security Pty Ltd
Detection system
– Pneumatic (Item 15)
WARNING:
Do not loosen any hose connections or fittings in the LOP actuation system while the system is
pressurised. This will cause the system to discharge. Prior to replacing any LOP detection tubing ensure the
system is depressurised by depressurising the PEFS F3 cylinders using the Schrader valve fitted to the cylinder
Filler Plug Assembly.
After having depressurised the PEFS F3 system:
1. Replace each length of LOP detection tubing.
3. Ensure LOP tubing does not kink.
4. Check LOP Tubing is located in correct position. Refer to system design data (baseline data) as of last
commissioning.
5. Check to ensure any modifications to equipment has not subjected LOP Tubing to possible heat exposure
greater than 90°C.
6. Check LOP tubing fittings do not show signs of excessive corrosion.
7. Check LOP tubing fittings are secure.
8. Check LOP tubing clamps are adequately secured to the equipment and firmly hold the LOP tubing in place.
Actuation system
– Pneumatic (Item 16)
Check pneumatic actuation system is intact and not damaged:
1. Hoses are not worn, split, cut or kinked.
2. Hoses have protective sleeves fitted along locations where rubbing can occur.
3. Fittings do not show signs of excessive corrosion
4. Fittings are secure
5. Manifold block is adequately secured to the equipment.
6. Clamps are adequately secured to the equipment and firmly hold the actuation hose in place.
Actuation system
– Electrical [where fitted] (Item 17)
Note:
The following maintenance activities should be carried out in conjunction with the listed fire control system
manuals.
1. Check electric actuation system is intact and not damaged:
a. Electrical cabling is not worn, split, cut or kinked.
b. Electrical cabling has protective sleeves fitted along locations where rubbing can occur.
c. Electrical connectors are intact and not damaged.
d. Separate connectors and check to ensure they are free from ingress of dirt, water and corrosion.
Replace if required. Re-connect all electrical connectors.
e. All cabling clamps and supports are adequately secured to the equipment and firmly holds the cabling
in place.
2. Function test all actuation circuits. Ensure each LOP Electric Actuator opens and closes correctly.
3. Check all wiring for earths