SUPPLEMENT FOR 3114 & 3116 GENERATOR SET ENGINE Caterpillar


Electric Starter Motors

Usage:

Nippondenso

9W3748

Voltage rating ... 24 V

Nippondenso part number ... 128000-5730

Rotation (viewed from pinion gear end) ... clockwise

No load voltage ... 24 V

No load speed (minimum) ... 3800 rpm

No load current (maximum) ... 120 A

(1) Ground terminal. Tighten nut to a torque of ... 30.5 ± 3.5 N·m (23 ± 3 lb ft)

(2) Positive terminal. Tighten nut to a torque of ... 30.5 ± 3.5 N·m (23 ± 3 lb ft)

(3) Switch terminal. Tighten screw to a torque of ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

Bosch

8C4773

Voltage rating ... 24 V

Bosch part number ... 0 001 371 001

Rotation (viewed from pinion gear end) ... clockwise

No load voltage ... 23 V

No load speed (minimum) ... 6800 rpm

No load current (maximum) ... 155 A

(1) Positive terminal. Tighten nut to a torque of ... 30.5 ± 3.5 N·m (23 ± 3 lb ft)

(2) Switch terminal. Tighten nut to a torque of ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(3) Ground terminal. Tighten nut to a torque of ... 30.5 ± 3.5 N·m (23 ± 3 lb ft)

Delco-Remy

9X3416

Voltage rating ... 24 V

Delco-Remy part number (37MT) ... 1993918

Rotation (viewed from pinion gear end) ... clockwise

No load voltage ... 24 V

No load speed (minimum) ... 3300 rpm

No load speed (maximum) ... 4800 rpm

No load current (minimum) ... 58 A

No load current (maximum) ... 78 A

(1) Clearance between pinion and retainer (pinion clearance ... 1.78 ± 0.25 mm (.070 ± .010 in)

(2) Positive terminal. Tighten nut to a torque of ... 30.5 ± 3.5 N·m (23 ± 3 lb ft)

(3) Switch terminal. Tighten nut to a torque of ... 2.25 ± 0.25 N·m (20 ± 2 lb in)

(4) Ground terminal. Tighten nut to a torque of ... 30.5 ± 3.5 N·m (23 ± 3 lb ft)

Torque motor frame terminal to ... 10 ± 3 N·m (7 ± 2 lb ft)

Caterpillar Information System:

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