33
Installation and Operation Manual
SystemsSystems
2001 and 2002
PRIMING THE FOAM PUMP WHEN FOAM
TANK HAS RUN DRY
In some instances, the foam tank may run dry
while operating the FoamPro system. The foam
pump is designed to pump liquid. When the fire
pump is running, the foam pump cannot pump
air efficiently against 100 to 150 psi back
pressure. To re-establish foam concentrate flow
quickly, the following procedure can be used.
MAINTENANCE
1. Monthly: Inspect wiring, hoses, flow meters,
and connections for tightness, corrosion,
leaks and/or damage.
2. Monthly: Remove and clean the foam
strainer screen(s). Flush as required.
3. Monthly: Check foam pump gear case oil
level and refill as necessary with
SAE 30 weight non-detergent oil.
4. Annually: Drain the pump oil and refill pump
crankcase with SAE 30 weight non-
detergent oil. Check for concentrate or
water in the drain oil.
NOTE: Water quality, flushing & storage
techniques, environment and usage may have
an effect on your maintenance schedule. To
ensure equipment longevity, it is recommended
to adjust your schedule accordingly.
CAUTION: Release all pressure and drain all
concentrate and water from the discharge
system before servicing any of its component
parts.
Figure 27. Foam Pump Oil Level Check
1. Turn the CAL/INJECT valve to the Calibrate
position.
2. With the fire pump flowing water from foam
discharge and the FoamPro on observe the
hose from the CAL/INJECT valve.
3. When foam concentrate flows from the unit
turn the CAL/INJECT valve back to the
INJECT position. The pump is now primed
and ready for normal operation.
4. If the fire pump is not running, place the
FoamPro into the simulated flow mode and
proceed with above steps.
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