Briggs & Stratton 276535 Volt DC Starter Motor, Test Interlock Switch Wiring, Test Starter Motor

Test Interlock Switch Wiring

1.Disconnect interlock switch wires from spade terminals on switch and at starter motor connection.

2.Set meter to Ohms position.

3.Connect one meter test lead to the end of one wire connector and other test lead to the opposite connector in the same wire (Figure 37). Meter should read low or no resistance.

Figure 37

4.Move the wire inside the connector. Meter should not change value.

5.Replace or repair wiring if there is intermittent or no continuity. Repeat for each wire in the harness.

12 Volt DC Starter Motor

Model Series 120000, 150000, 200000, 210000, 280000, 310000, 330000

These starter motors were produced in three sizes to provide different cranking speeds and torque. The length of the motor housing determines the output as noted in the following procedures.

Check Starter Motor Drive and Clutch When starter switch is activated, pinion gear should rise, engage flywheel ring gear, and crank engine. The pinion gear must rotate counterclockwise, as viewed from gear. If starter motor drive does not react properly, check helix and pinion gear for free operation. If the pinion gear sticks, clean the helix and gear with a mild solvent and compressed air. If the pinion continues to stick, replace the entire starter drive assembly.

NOTE: Do not oil the pinion gear or clutch helix.

The starter motor clutch is designed to prevent damage from shock loads such as engine backfire. If clutch slips while cranking, replace the entire starter drive assembly.

Test Starter Motor

1.Clamp starter motor test fixture in vise.

2.Remove starter motor from engine and mount to fixture.

NOTICE: Do not clamp motor housing in a vise or strike with a hammer. Starter motors contain ceramic magnets that can be damaged if the motor housing is hit, deformed, or dented.

3.Set meter to DC Amps position.

4.Connect the optional starter switch

(A, Figure 38), starter motor, battery (F), black lead (C), red lead (D), shunt (E), and tachometer (B).

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