Magnum MTP4000S — Pump Disassembly - Mechanical Seal
Repair & overhaul
For the Magnum MTP4000S, from the Magnum operator's manual.
Applies to: John Deere PE4024TF281 engine
Procedure
- Slide the shaft sleeve and rotating portion of the seal off of the shaft as one unit.
- Drain the oil in the seal cavity by removing the seal cavity drain plug; clean and replace the plug.
- Remove the seal housing from the bearing frame and place it face down on a flat surface.
- With a suitable tool, press on the backside of the stationary seat until removed from the seal housing.
Tools required
- suitable press tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Magnum operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.