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Alemite 8430 Service Manual
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Alemite 8430 Service Manual

1/3 hp def pump
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Description
Self-priming pumps for Diesel Exhaust Fluid (DEF) ap-
plications
• Built-in handle for portability and ease of handling.
• Suction lift capability to 15 ft.
WARNING
For proper and trouble-free operation of this DEF
pump, it is important to carefully read and follow these
operating instructions and to fully observe all warn-
ings. For safety reasons, people who are not familiar
with these operating instructions should not use the
pump, especially children under the age of 16. Before
installing or servicing any pump, be certain pump
power is disconnected to avoid any possible electric
shock.
Conformity with federal, State and local electric codes
are mandatory. The National Electric Code requires
that a ground fault circuit interrupter (GFCI) be used
in the branch circuit supplying sump, utility, effl uent
and all DEF pumps. Consult a licensed electrician or
your power company if in doubt.
Installation
Before putting the pump into operation it is absolutely
necessary to carry out the following operations:
1. The diameter of the suction and lines should correspond to
the diameter of the connections of the pump housing (1").
See fi gure 2. For a suction height of over 12 ft., a suction
hose with a greater diameter should be used.
2. Fit the suction lines with the foot valve to the pump (at
point 1, Fig 2), avoiding siphons, counter slopes and stand
the pump on solid, fl at level ground.
3. Fit the delivery line (at point 2, Fig 2).
4. Put into operation the pump and wait for the suction of the
DEF. If nothing occurs after 2-3 minutes, switch off the
pump, unplug and repeat the whole operation. It will be
671035
Service Guide
1/3 HP DEF Pump
167 Roweland Drive, Johnson City, Tennessee 37601
www.alemite.com
Copyright © 2012 by Alemite, LLC
This document contains confi dential information that is the property of Alemite, LLC
and is not to be copied, used, or disclosed to others without express written permission.
Figure 1 Model 8430 DEF Pump
Figure 2 8430 (115V/60Hz)
Alemite, LLC
1)
1" Suction NPT
2)
1" Discharge NPT
3)
Inspection Plug
4)
Prime/Drain Plug
8430
SER 8430
Revision (7-12)

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Summary of Contents for Alemite 8430

  • Page 1 Copyright © 2012 by Alemite, LLC SER 8430 This document contains confi dential information that is the property of Alemite, LLC 671035 and is not to be copied, used, or disclosed to others without express written permission. Revision (7-12)

  • Page 2: General Safety

    When • Take care that connections are done in areas protected in doubt, consult Alemite service representatives from fl ooding. • Before installation please check for any damage to the unit or personal familiar with instrumentation.
  • Page 3 DEF Pump SER 8430 Figure 3 8430 - exploded view Alemite LLC Revision (7-12)
  • Page 4 SER 8430 DEF Pump Maintenance [See Figure 3 for all item numbers referenced below] 1. Turn OFF the electrical supply. 2. Drain the pump body by removing the drain plug (Item No. 3. Unscrew the 6 bolt (Item No. 4) that fi x the pump body (Item No.
  • Page 5 DEF Pump SER 8430 8. The static part of the mechanical seal (Item No. 11) can then be prized out of the pump support (Item No. 12) by insert- ing a small fl at head screw driver between the static seal rubber &...
  • Page 6 SER 8430 DEF Pump 10. Gently press the new static seal into the pump support. 11. Next slide the new rotary part of the mechanical seal onto the impeller and press into place. 13. Refi t the drain plug, re-prime the pump body and test the pump 12.
  • Page 7 DEF Pump SER 8430 Repair Parts ITEM No. PART No. DESCRIPTION Qty. NOTES 393802-78 Body 393802-79 Cap 3/8” 393802-80 O-ring 14 x 2 NBR70 393802-81 Screw TC+PH M6x50 galv white 393802-82 Washer d6.4 D13 S0.5 ZP Balck 393802-83 O-ring 3100 25.07 x 2.62 viton 393802-84 Injector 90 “R”...
  • Page 8 SER 8430 DEF Pump Condition Probable Cause Remedy Pump does not prime 1.See point nr. 4 — Installation information 1. Clean or replace “reclassifi er fi ttings” 2. Remove “sags” in the inlet line The pump does not run 1. Not plugged in 1.