Magnum MTP6000S3 — Impeller Installation
Repair & overhaul
For the Magnum MTP6000S3, from the Magnum operator's manual.
Applies to: John Deere PE4024HF285 engine
Before you start
- Do not use anti-seize compounds on the lockscrew threads.
- Use caution when removing the impeller; the impeller may be difficult to unscrew (installed with Loctite).
Procedure
- Clean shaft and impeller threads completely.
- Apply anti-seize compound to the external shaft threads (do not use on the lockscrew threads).
- Screw the impeller onto the shaft until tight.
- Add or remove impeller adjusting shims to achieve .025 to .035 in (.63 to .89 mm) clearance between impeller and seal plate.
- Apply Loctite 2760 or equivalent to impeller screw and install impeller washer and screw.
- Torque the impeller screw; do not allow shaft to rotate while tightening.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Impeller to seal plate clearance .025 to .035 in (.63 to .89 mm)
- Impeller screw torque minimum 175 ft-lb (237 Nm), maximum 235 ft-lb (118 Nm as printed)
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.