nextec™ — Predicts. Protects. Performs.
Symptom
Cause
Cure
Pump won’t prime.
Suction line problem.
Check suction line for leaks or restrictions; it may be too small
in diameter, too long, not air tight, or too low vertically.
Vanes sticking.
Check vanes for nicks, damage, obstructions, or excess wear.
Replace as necessary.
Excessive rotor, vane, rotor cover, or
housing wear.
Inspect rotor, vanes, rotor cover, and housing for excess wear;
replace as necessary.
Inlet / Outlet blocked.
Check pump, hose, nozzle, and filter / strainer for blockage.
Excessive vertical or horizontal inlet
plumbing
Reduce vertical or horizontal distance from pump to liquid.
Low capacity.
Excessive dirt in screen.
Remove and clean screen.
Suction line problem.
Check suction line for leaks or restrictions; it may be too small
in diameter, too long, not air tight, or too low vertically.
Excessive rotor, vane, rotor cover, or
housing wear.
Inspect rotor, vanes, rotor cover, and housing for excess wear;
replace as necessary.
Hose or nozzle damage.
Replace hose or nozzle.
Low fluid level.
Refill tank.
Pump runs slowly.
Incorrect voltage.
Check incoming line voltage while pump is running.
Vanes sticking.
Check vanes for nicks, damage, obstructions, or excess wear.
Replace as necessary.
Wiring problem.
Check for loose connections.
Motor problem.*
Return to place of purchase.
Motor stalls / fuse blows.
Short in wiring.
Inspect electrical cable for shorts and replace as necessary.
Excess rotor or vane wear.
Check vanes for nicks, damage, obstructions, or excess wear.
Replace as necessary.
Pump rotor lock-up.*
Clean and inspect rotor and vanes.
Debris in pump cavity.
Clean debris from pump cavity.
Components rusting from pumping
water.
Let pump dry completely.
Troubleshooting (cont’d)
Bold text indicates repairs that are not serviceable by the owner; pump must be returned to the place of purchase for repairs.
*This condition will shut the motor off.
13
Technical Information
Motor
Specification
Power - DC 12, 24, 12/24
12 - 24 VDC
HP (horsepower) rating
1/3 HP
Power cable length
20’
Power cable gauge
10 AWG
Power cable DC battery connectors
Yes
Amps (MAX)
30 - 15 Amp
RPM
Variable 400 - 3500
Duty cycle
Continuous
Thermal protection
Electronically Protected
Circuit protection fuse
Yes (35 Amp Fuse)
Certification
UL/cUL listed/CE/ATEX/IECEx
Pump
Design
Positive Displacement Rotary Vane
Flow rate (with supplied hose / nozzle)
Up to 25 GPM / 95 LPM
Flow rate open flow - no hose or nozzle
Up to 28 GPM / 106 LPM
Max discharge pressure
21 PSI
Dry vac (in Hg)
11 in vacuum
Head – Max (ft)
48’
Anti-siphon valve
None
Inlet – size / thread
1-1/4” NPT / BSPP
Outlet – size / thread
1” NPT / BSPP
Mount
2” Bung NPT or BSPT
Materials of construction – pump housing
Cast Iron
Materials of construction – wetted material
BUNA-N + Fluorocarbon
Rotor materials of construction
Powdered Iron
Rotor vane material of construction
Acetal
Compatible fluids
Diesel, Gasoline, BioDiesel up to B20, E15, Kerosene, Mineral Spirits, Methanol (up
to 15%)
Strainer mesh size
20 x 20
Warranty (yr)
2 Year
Maximum sound level
75.3 dB
