Case Compact Tractor 190

Battery terminals and cables are clean and free from corrosion

Describe the condition of the battery tray, holdown terminals and cable ends

Is the battery case cracked or leaking?

Top sealing compound of the battery is intact and not leaking

Are the vent holes in the filler caps open?

Electrolyte level is sufficient and plates are not exposed

Is the water consumption approximately 1 oz. every 25 hours or weekly?

Sign off on the tractor inspection

Correct size socket wrench used for removal?

Copper gasket inspected after removal?

Spark plug installed correctly?

Spark plug gasket compressed to 1/2 of its original thickness?

Compression leakage due to insufficiently compressed gasket?

Spark plug running hotter than it should?

Spark plug gasket compressed too much?

Warning: This procedure requires trained personnel with PPE!

Abrasive type cleaning machine available?

If abrasive type cleaning machine is not available, report to the maintenance team and stop the procedure

Electrode sparking areas filed to obtain bright flat parallel surfaces?

Plug washed in a good cleaning solvent and blown dry with air pressure?

Gap between the electrodes (in inches)

Set the gap by bending the ground or outside electrode, never try to bend the center electrode as the insulator will crack.

Ensure the drive belt is adjusted properly.

Disconnect all cables and wires to generator.

Connect ammeter and variable resistance in series between the 'A' terminal and generator frame.

Connect voltmeter from the 'A' terminal to the frame.

Install jumper lead from the 'F' terminal to the frame.

Enter the RPM at which the unit is driven.

Enter the voltage reading from the voltmeter.

Enter the amperage reading from the ammeter.

Is the ammeter reading lower than specified amperage?

Are the breaker contact points worn out?

Describe the wear and adjustment of the breaker contact points

Is the color of the contact points light gray?

If not, describe the color and possible causes

Are the contact point surfaces blue?

If yes, describe the possible causes