307B Excavator Supplement for 4M40 Engine Caterpillar

Removal Procedure

Note: Put identification marks on all wires for installation purposes.

Note: The counterweight was removed for photographic purposes.

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Illustration 1	g00869098
View of the engine from the rear

1. Turn the battery disconnect switch to the OFF position.

   Note: Use Illustration 1 as a reference for all of the photographic illustrations in the removal and the installation procedure.

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Illustration 2	g00869231

2. Remove bolt (1), and move the harness assembly aside.

3. Remove bolt (2), and move the harness assembly aside.

4. Remove nut (3). Disconnect battery cable and wiring harness (4) .

5. Remove nut (5), and remove cover (6) .

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Illustration 3	g00869226

6. Remove bolt (7), and disconnect wire (8) .

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Illustration 4	g00869254

7. Remove bolts (9) that secure the electric starting motor to the flywheel housing. Remove electric starting motor (10).

Installation Procedure

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Illustration 5	g00869254

1. Position electric starting motor (10) in the flywheel housing. Install bolts (9) .

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Illustration 6	g00869226

2. Connect wire (8), and install bolt (7) .

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Illustration 7	g00869231

3. Position cover (6), and install nut (5) .

4. Connect battery cable and wiring harness (4), and install nut (3) .

5. Position the harness assembly, and install bolt (2) .

6. Position the harness assembly, and install bolt (1) .