26SI Series Alternator – Starter Motors

3P6 24V (Prestolite Number MFY 6401 K)

Rotation is clockwise when seen from the drive end.

Minimum no load speed … 5000 rpm

Current consumption (draw) at no load:

Maximum at 20V … 65 A

(1) Tension of brush spring … 52 to 65 oz.(14.5 to 18.1 N)

(2) Torque for bolts … 8 lb. ft.(11 N·m)

(3) Torque for terminal nuts … 20 to 25 lb. ft.(25 to 35 N·m)

(4) Clearance for the pinion … .020 to .050 in.(0.51 to 1.27 mm)

4N7752 24V (Prestolite Number MES6404K), 2P6162 24V (Prestolite Number MES6301K), 9G4338 24V (Prestolite Number MES6601K)

Rotation is clockwise when seen from drive end.

Minimum speed with no load … 6500 rpm

Current consumption (draw) with no load:

Maximum at 20 V … 77 A

(1) Tension of brush spring … 52 to 65 oz.(14.5 to 18.1 N)

(2) Torque for housing bolts … 8 lb. ft.(11 N·m)

(3) Torque for terminal nuts … 20 to 25 lb. ft.(25 to 35 N·m)

(4) Clearance between pinion and housing (pinion clearance) … .020 to .050 in.(0.51 to 1.27 mm)

7N1285 24V (Delco-Remy Number 1113472)

Rotation is clockwise when seen from drive end.

Minimum speed with no load … 5500 rpm

Maximum speed with no load … 7500 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 20V … 85 A

Maximum with solenoid at 20V … 112 A

Clearance between pinion and housing (pinion clearance) … .010 to .140 in.(0.25 to 3.56 mm)

(1) Tension of brush spring … 36 to 40 oz.(10.0 to 11.1 N)

(2) Torque for screws holding nose housing to lever housing … 13 to 17 lb. ft.(18 to 23 N·m)

(3) Torque for terminal nuts … 20 to 25 lb. ft.(25 to 35 N·m)

4N3182 24V (Delco-Remy Number 1114711), 3T2647 24V (Delco-Remy Number 1114845)

Rotation is clockwise when seen from drive end.

Minimum speed with no load … 5500 rpm

Maximum speed with no load … 7500 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 20V … 105 A

Maximum with solenoid at 20V … 125 A

Clearance between pinion and housing (pinion clearance) … .36 in.(9.1 mm)

(1) Tension of brush spring … 56 oz.(15.5 N)

(2) Torque for screws holding nose housing to lever housing … 13 to 17 lb. ft.(18 to 23 N·m)

(3) Torque for terminal nuts … 20 to 25 lb. ft.(25 to 35 N·m)

2P3926 24V (Delco-Remy Number 1109637)

Rotation is clockwise when seen from drive end.

Minimum speed with no load … 5500 rpm

Maximum speed with no load … 7500 rpm

Current consumption (draw) at no load:

Minimum with solenoid at 20V … 140 A

Maximum with solenoid at 20V … 170 A

Clearance between pinion and housing (pinion clearance) … .36 in.(9.1 mm)

(1) Tension of brush spring … 80 oz.(22.2 N)

(2) Torque for screws holding nose housing to lever housing … 13 to 17 lb. ft.(18 to 23 N·m)

(3) Torque for terminal nuts … 20 to 25 lb. ft.(25 to 35 N·m)

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