User Guide
14 
1.  A loud sound similar to small arms fire. 
2.  A loud sound of rushing air. 
3.  An extinguished indicator lamp. 
4.  A stalled engine. 
When actuation occurs 
1.  Immediately shutdown all engines, powered ventilation, and electrical 
systems. 
2.  Extinguish all smoking materials. 
3.  Do not open the engine compartment.
After actuation 
1.  Before inspecting for damage, allow the agent to “soak” the 
compartment for at least 15 minutes and wait for hot metals or fuels to 
cool. 
2.  Have approved portable extinguishers in hand and ready for use. 
3.  Do not breathe fumes or vapors caused by the fire. They are hazardous 
and toxic. 
Maintaining Fireboy Fire Extinguisher  
1.  Inspect the pressure gauge and the system daily. 
2.  Compare actuator to illustration below to determine if the extinguisher is 
ready or discharged. 
3.  Remove and weigh the complete unit (less brackets) on a certified scale 
every six (6) months and record on tag provided. 
4.  Remove fire extinguisher from service immediately for repair or 
replacement if weight is below what is stated on unit’s nameplate (See 
Limited Warranty). 
Disconnection and Inspection of Manual Discharge Cable 
WARNING: 
Accidental discharge during handling, installation or inspection may cause 
serious injury or death. Wear eye protection when installing or servicing fire 
extinguisher or discharge cable. 










