Cub Cadet 86, 128, 129, 169, 149, 108 manual Repairs.22

ELECTRICALSYSTEM

CHARGE INDICATOR

This instrument indicates whether the motor- generator is charging or the battery is discharging. If it shows discharge continuously, investigate the cause to avoid completely discharging the battery and possible damage to the motor-generator.

HOUR METER

The International Cub Cadet 169 is equipped with an hour meter, which is located on the left side of the tractor parallel to the air cleaner. It indicates the actual hours of engine operation, enabling the operator to determine without guesswork, when lubrication, change of oil, or periodic inspections are necessary. It also provides a means of com- puting cost of specific jobs. The hour meter operates whenever the engine is running.

SPARK PLUG

Be sure the gasket is in good condition. Tighten the plug 1/2 to 3/4 turns past tiger tight.

Replace a defective plug with a new plug. See your I nternational Harvester dealer for the correct

replacement plug.

MOTOR GENERATOR

The motor-generator (12-volt negative ground) will function asa cranking motor when the ignition key is turned to the "START" position, driving the engine by means of a belt.

When the engine is operating, the unit will function as a generator.

MOTOR-GENERATOR BELT

Check the tension of the motor-generator belt after the first 10 hours of operation and every 50 hours of operation thereafter. The tension is correct when the belt can be deflected a maximum of 1/4-inch by a ten pound force applied midway between the two pulleys.

A CAUTION! Check the belt with engine off.

Checking the spark plug gap.

Set gap at .O25-inch.

NOTE: Remove all dirt from around the spark plug

before removing.

Remove the spark plug, always using a spark plug wrench, after every 100 hours of operation to check the gap.

ACAUTION! Be sure engine is off and cool. before making any adjustments or

repairs.22

Also follow this procedure when a new belt is installed.