Specifications Information and Repair Parts Manual
489 & 490 Series
4890-251-00
5
9/2016
NOTES:
Page 1: ...ACEMENT Refer to Figures 1 and 2 REMOVAL OF OLD SEAL IMPORTANT Always replace both seal seat Ref No 5 and seal head Ref No 6 to ensure proper mating of components Also impeller seal Ref No 9 should be replaced anytime impeller fastener Ref No 10 has been removed 1 Remove fasteners Ref No 3 connecting casing Ref No 12 to adapter Ref No 4 2 Remove casing Care should be taken not to pinch or shave ca...
Page 2: ... motor shaft with sealing surface facing seal seat see figure 2 Note A short run in period may be necessary to provide completely leak free operation 6 Screw impeller onto shaft Use screwdriver slot at rear of motor shaft opposite the threaded end to tighten impeller NOTE It may be necessary to remove plug in motor end cap to expose slot If removed be sure to reinstall plug AFTER pump is completel...
Page 3: ... Series 4890 251 00 3 9 2016 For Repair Parts contact dealer where pump was purchased Please provide following information Model Number Serial Number if any Part description and number as shown in parts list Figure 2 Repair Parts Illustrations Circulator Pump ...
Page 4: ...0 1 8 Impeller 4894 010 98 4896 010 98 4891 010 98 4903 010 98 4905 010 98 4901 010 98 1 includes Ref Nos 7 8 and 10 9 Impeller Seal Buna N Incl w Ref KIT Incl w Ref KIT Incl w Ref KIT Incl w Ref KIT Incl w Ref KIT Incl w Ref KIT 1 Impeller Seal Viton Incl w Ref KIT Incl w Ref KIT Incl w Ref KIT Incl w Ref KIT Incl w Ref KIT Incl w Ref KIT 1 Impeller Seal EPDM EPR Incl w Ref KIT Incl w Ref KIT Inc...
Page 5: ...Specifications Information and Repair Parts Manual 489 490 Series 4890 251 00 5 9 2016 NOTES ...
Page 6: ...Specifications Information and Repair Parts Manual 489 490 Series 4890 251 00 6 9 2016 NOTES ...
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Page 8: ...www amtpump com ...
