Specifications Information and Repair Parts Manual
IPT 2AG5LPE
2AG5-250-00
1
1/2021
Please read and save this Repair Parts Manual. Read this manual and the General Operating Instructions carefully before attempting to assemble, install, operate
or maintain the product described. Protect yourself and others by observing all safety information. The Safety Instructions are contained in the General Operating
Instructions. Failure to comply with the safety instructions accompanying this product could result in personal injury and/or property damage! Retain instructions
for future reference. AMT reserves the right to discontinue any model or change specifications at any time without incurring any obligation.
©2021 AMT Pump Company, A Subsidiary of The Gorman-Rupp Company, All Rights Reserved.
Periodic maintenance and inspection is required on all pumps to ensure proper operation. Unit must be clear of debris and sediment. Inspect for leaks and loose bolts. Failure to do so
voids warranty.
2-Inch Thermoplastic Dewatering Pumps
Refer to pump manual 1808-633-00 for General Operating and Safety Instructions.
IMPORTANT: Not for use with petroleum based liquids.
MAINTENANCE
To prevent Accidental starting always remove spark plug, or disconnect
and ground spark plug wire before attempting to service or remove any
component.
MECHANICAL SEAL REPLACEMENT
Refer to Figures 1, 2, and 3.
IMPORTANT:
Replace seal seat, (Ref. No. 22) and seal head (Ref. No. 23) at
the same time to ensure proper mating of mechanical seal components!
1. Unthread fasteners (Ref. No. 16), nuts (Ref. No. 25) and remove casing
(Ref. No. 15) and casing seal (Ref. No. 7) from adapter (Ref. No. 3).
Unthread fasteners (Ref. Nos. 11 and 19) and remove volute (Ref. No.
20) and volute seal (Ref. No. 6) from adapter.
2. Unthread impeller fastener (Ref. No. 10) and remove impeller (Ref. No.
9), impeller seal (Ref. No. 4) and shims (Ref. No. 21).
NOTE:
To keep shaft from turning, hold impeller while unthreading impeller
fastener.
3. Pry seal seat from impeller recess with a screwdriver (See Figure 1).
4. Remove adapter by unthreading adapter fasteners (Ref. No. 5) and
fastener seals (Ref. No. 4). Press old seal head and adapter seal (Ref.
No. 24) out of adapter by pushing from engine side.
5. Clean adapter and impeller seal recesses
6. Carefully wipe polished surface of new seal seat with a clean cloth.
7. Wet rubber portion of seal seat with a light coating of soapy water.
8. Press seal seat squarely into recess in impeller. If seal seat does not
press squarely into recess, it can be adjusted by pushing on it with a piece
of pipe. Always use a piece of cardboard between pipe and seal seat to
avoid scratching lapped, highly polished surface of seal seat (handle it
carefully).
9. After seal seat is in place, ensure that it is clean and has not been marred.
10. Using a clean cloth, wipe shaft and make certain that it is completely clean.
11.
Place adapter seal (O-ring) onto seal head behind flange and press
assembly into adapter as shown in Figure 2.
Do not touch or wipe polished face of seal head.
12. Secure adapter on pedestal mounting face, using fasteners and fastener
seals. Be sure to replace gasket (Ref. No. 31) between engine and
adapter, if removed during disassembly.
DESCRIPTION
These centrifugal pumps include a EPDM/EPR mechanical seal with stainless steel spring, O-rings and a built-in check valve for better self-priming capabilities
(up to 20 ft. suction lift). Clog resistant impeller is capable of handling solids up to 7/16” diameter. Pumps include molded carrying handle, and two 2” NPT pipe
nipples (optional rubber foot pads available). Handle liquids from 40º to 130º F (4º to 54º C). For use with nonflammable, non-abrasive liquids compatible with
pump component materials.
Applications include pumping clear, clean water, salt water, and some liquid fertilizers and herbicides. An optional EPDM Seal/O-ring/Flapper Kit (see Repair
Parts List) is available for pumping “Alachlor Herbicides” (such as Monsanto’s Lasso). If the fertilizer or herbicide is not compatible with Buna-N (standard) or
EPDM (optional) rubber materials, do not use these pumps.
For use with nonflammable liquids that are chemically compatible with pump component materials.
Figure 1 - Mechanical Seal Replacement
Figure 2 - Mechanical Seal Replacement
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