Fill-Rite 3200 Series High Flow DC Pump - Manual (Page 11)

11
Trouble Shooting
The following Trouble Shooting guide is provided to offer basic diagnostic assistance in
the event you encounter abnormal service from your Tuthill product.
If you have questions regarding installing, operating, or servicing your product, please feel
free to contact our Customer Service Department at 1-800-634-2695 (M-F 8 AM–5 PM
ET). You can also reach us on the World Wide Web at “www.fillrite.com”.
WARNING! DO NOT open or attempt to repair the motor on your Tuthill pump.
Return it to the place of purchase for service. Opening the motor case can
compromise the integrity of the Explosion Proof construction and will void any
existing warranty and certification (UL listing).
WARNING! Be certain all power to the pump is disconnected prior to
performing any service or maintenance.
Symptom Cause Cure
Pump won't
prime.
1. Suction line problem. Check for leaks in suction line
2. Bypass valve open.
Remove and inspect valve; must
move freely & be free of debris.
3. Vanes sticking.
Check vanes and slots for nicks,
burrs and wear.*
5. Excessive rotor or vane
wear.
Inspect rotor & vanes for excessive
wear or damage; replace if
necessary.*
6. Outlet blocked.
Check pump outlet, hose, nozzle &
filter for blockage.
7. Vapor Lock
Reduce vertical and horizontal
distance from pump to liquid;
remove automatic nozzle.
Low capacity.
1. Excessive dirt in screen. Remove and clean screen.
2. Suction line problem.
Check suction line for leaks or
restrictions; it may be too small,
too long or not airtight.
3. Bypass valve sticking.
Remove and inspect valve; must
move freely & be free of debris.
4. Vanes sticking. Check vanes and slots for wear.
5. Excessive rotor or vane
wear.
Inspect rotor & vanes for excessive
wear or damage; replace if
necessary.*
6. Hose or nozzle damage. Replace hose or nozzle.
7. Plugged filter. Replace filter.
8. Low fluid level. Fill tank.
Pump runs
slowly.
1. Incorrect voltage.
Check incoming line voltage while
pump is running.
2. Vanes sticking.
Inspect vanes and slots for nicks,
burrs and wear.*
3. Wiring problem. Check for loose connections.
4. Motor problem. Return to place of purchase.
See page 12 for explanation of Bold text and
*
items.