Rapid Spray FIRE MARSHAL, Operator'S Handbook Manual

Page: 6 / 30

Compact Fire Fighters by Rapid Spray
Rapid Spray Fire Marshal Operators Handbook
4
TROUBLESHOOTING
CONDITION CAUSE REMEDY
Pump will not
prime / draw
water
1. Insufficient motor RPM
2. Air leak on suction plumbing
3. Blocked/ restricted intake
hose
4. Filter cap disengaged
5. Filter gasket damaged /
missing
1. Increase motor RPM until pump primes
2. Tighten/ replace fittings and hose
clamps. Verify suction hoses are in good
condition.
3. Remove blockage from suction line,
ensure line is not kinked.
4. Lock filter cap into position.
5. Replace filter gasket.
Pumps runs but
will not develop
pressure
1. Residue on pump valves
2. Worn regulator
1. Remove and clean pump valves
2. Install regulator service kit
Pressure drops
/ fluctuates
during standard
operation
1. Restriction on suction line
2. Pump sucking air
3. Plugged filter
4. Damaged regulator
1. Inspect tank and suction lines and
remove restriction
2. Tighten fittings
3. Remove and clean filter mesh and
housing
4. Remove regulator stem and inspect for
broken parts / pieces
Pressure gauge
not registering
1. Plugged with debris 1. Unthread, check and clean pressure
gauge
Oil in pump
or gearbox
appears white
and murky after
operation
1. Water or chemical has
contaminated oil.
1. Check pump valves, seals and pump oil
breather cap. Replace / fix if needed.
2. Replace oil if needed.
Hand gun loses
pressure
1. Debris in hose or nozzle
2. Pump losing prime
3. Pump pressure dropping /
fluctuating
1. Unthread nozzle tip and clean
2. See ‘Remedy’ for ‘Pump will not prime’
3. See ‘Remedy’ for ‘Pressure drops /
fluctuates during standard operation’
Pump / Motor See pump / motor Operator’s Handbook