Instructions / Assembly

Troubleshooting (cont’d)
Symptom Cause Cure
Low or no ow rate
(cont’d).
10. Leaks in pump outlet plumbing
11. Bypass valve open / sticking
12. Crystallization in pump cavity
13. Check valve sticking
14. Tote / barrel / tank not properly
vented
Check the seal at the pump connection and inspect
for damage.
Remove and inspect valve (page 11, item 24); valve
must move freely & be free of debris.
Flush and clean pump.
Remove and inspect valve (page 11, item 27 & 31);
valve must move freely & be free of debris.
Properly vent system.
Increased pump noise.
1. Irregular bypass function
2. Presence of air in liquid being
pumped
Remove and inspect valve (page 11, item 24); valve
must move freely & be free of debris.
Verify suction connections and suction line. Purge
system of air.
Automatic nozzle
malfunctions.
1. Crystalization in spout
2. Flow too high
Dip nozzle spout in warm water.
Decrease ow rate by using lower lock setting on
handle.
Parts and Kits
10
IMPORTANT! Always have your model, serial number, and date of purchase available when you are ordering
kits and replacement parts for your Fill-Rite DEF pump.
A wide variety of parts and kits are available to maintain and accessorize your Fill-Rite DEF system. To insure proper
performance and long service life, always use genuine Fill-Rite parts when servicing your DEF system. The following
pages contain kit information; additional information is also available on-line at llrite.com. You can also consult our world
class Customer Service Team at 1-800-634-2695.
Serial number information for your Fill-Rite DEF system is located on the
pump. The serial number is located on the front of the pump, at the base of
the pump housing assembly (Figure 10). It is the number located above the
word “FLOW”.
Refer to the Nomenclature information on page 4 to decode specics
regarding what components were included in your system.
Figure 10
CAUTION! Always wear protective clothing and safety equipment when working with Diesel Exhaust Fluid.
Even small amounts you may encounter while servicing your pump can be caustic and harmful!