Cummins/Onan 5MDKAU — Removing the Stator
Repair & overhaul · generator stator
For the Cummins/Onan 5MDKAU, from the Cummins/Onan service manual.
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Before you start
- Brushes can be damaged if the brush block is not removed before removing the end bell
Procedure
- Disconnect generator leads inside the AC outlet box; remove access doors and panels.
- Remove the second intake resonator chamber.
- Remove the brush block.
- Remove the fan hub bolt and fan.
- Remove the end bell support bracket and the end bell (4 bolts).
- Free the 8 generator leads and the clip; scribe an alignment line across adapter, stator and end bell.
- Block the stator so it cannot fall against the rotor, then remove the four generator through bolts.
- Pull the end bell and stator straight out, taking care not to damage windings.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Stator through bolts and end bell bracket bolts 8 lb-ft (11 N-m)
- Fan hub bolt 45 lb-ft (61 N-m)
Source: Cummins/Onan service 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.