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Magnum MTP4000S — Pump Lubrication

Maintenance · Mechanical seal and bearings

For the Magnum MTP4000S, from the Magnum operator's manual.

Applies to: John Deere PE4024TF281 engine

Before you start

  • Over-filling with oil can result in premature failure of bearings

Procedure

  1. Prior to starting the pump, remove the seal vent plug and fill the seal cavity with approximately one quart (33 oz) of ISO VG 32 turbine oil.
  2. Fill the seal cavity so the oil level is halfway in the level sight gauge.
  3. Maintain the bearing housing oil at the middle of the sight gauge.
  4. Use an ISO viscosity grade 32 turbine oil and fill through the air vent hole at the top right of the bearing frame.

Specs & values

  • Mechanical seal cavity approximately one quart (33 oz) of ISO VG 32 turbine oil
  • Drain and refill bearing housing at least once every 12 months

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.

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