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Armstrong 4280 Series Service Work Instructions

Motor mounted horizontal end suction pump

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Series 4280
Motor mounted
horizontal end
suction pump
Service work
instructions
File No: 42.81
Date: december 15, 2002
Supersedes: 42.81
Date: june 15, 2000

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Summary of Contents for Armstrong 4280 Series

  • Page 1 Series 4280 Motor mounted horizontal end suction pump Service work instructions File No: 42.81 Date: december 15, 2002 Supersedes: 42.81 Date: june 15, 2000...
  • Page 2 Servicing Armstrong Series 4280 pumps 5 . remove rotating assembly Refer, also, to Armstrong Installation & Operating Instructions The rotating assembly (motor, adapter and impeller [ 10, 40 & for series 4 28 0 motor mounted pumps: File No: 42.80 8 0]) may now be pulled back out of the casing.
  • Page 3 Series 4280 Motor s e rv i c e wo r k i n s t r u c t i o n s Mounted Pump Note the impeller key and shaft sleeve spacer [ 7 1]. Remove Lubricate the inside of the seal rotating assembly [62] with a both for storage.
  • Page 4 s e rv i c e wo r k Series 4280 Motor i n s t r u c t i o n s Mounted Pump 20. motor wiring The motor conduit and its wiring are now replaced. Be sure to check rotation of the motor after rewiring if the motor is three phase and correct if necessary, by switching any two lead wires.