Turn engine OFF and remove the L & S terminal connector (Item 1) [Figure 50-30-3] from the alternator. Turn the key to the ON position.…

Open the tailgate. Start the engine and run at low idle. With a voltmeter, check the voltage between the B+ terminal and ground at the…

If the charging system malfunctions check the following: Check the condition and tension of the engine accessory drive belt. If belt is worn or deteriorated…

Removal Stop the engine and open the tailgate. (See Opening And Closing on Page 10-50-1.) Loosen the bolt (Item 1) [Figure 50-30-1] and the lower…

The alternator belt is a special maintenance free type that is pre-tensioned over the pulleys. This belt eliminates the need for a tensioning device and…

If it is necessary to use a booster battery to start the engine, BE CAREFUL! There must be one person in the operator’s seat and…

Open the right side cover. Disconnect the negative (-) cable (Item 1) [Figure 50-20-3] first. Disconnect the positive (+) cable (Item 2) [Figure 50-20-3]. Remove…

The battery (Item 1) [Figure 50-20-1] is located in the front of the right side upperstructure. The battery cables must be clean and tight [Figure…

A decal is inside the fuse cover to show location and amp ratings. Remove the cover to check or replace the fuses and relays. The…

The excavator has a 12 volt, negative ground electrical system. The electrical system is protected by fuses located under the right side cover of the…