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John Deere – 1023E, 1025R and 1026R – Assemble Alternator

[1] – Press new bearing (A) into case and install retainer plate (B).

[2] – Install four screws (C).

[3] – Route stator leads (D) through holes in rear case (E).

[4] –
→NOTE:
Check that rotor fan does not contact case and that rotor assembly turns
smoothly in bearing.

Press rotor shaft (F) into rear case.

[5] – Route stator leads (G) through holes in rectifier (H) and install rectifier.

[6] – Using a needle nose pliers, form a loop (I) in each stator wire lead and install screws through the loops.

[7] –
IMPORTANT:
Check that short, black, screw is installed in regulator tab. Longer screw
will contact frame and damage the charging system.

Install regulator (J).

[8] – Using a small screwdriver to hold brushes, install brush holder (K).

[9] – Install brush holder screws as shown; black screw (L) and gold screws (M).

[10] – Install regulator cover (N) and screws (O).

[11] – Install insulator (P) and nut.

[12] – Install sheave.

[13] – Secure sheave in soft jaw vise. Install nut (Q) and tighten to specification.