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PUMP GP-PISTON 3967170 - Caterpillar

3967170 PUMP GP-PISTON Caterpillar parts
Alternative (cross code) number:
Caterpillar 3967170 PUMP GP-PISTON
Weight: 149 pounds 67 kg.

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Number on catalog scheme: 4
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Air Starting
The motor oiler lubricates the vanes of the starting motor with a fine oil mist as the motor is operating.The collector jar collects both the oil after it has lubricated the starting motor vanes, and the moisture condensation from the compressed air. Empty the collector jar whenever the jar becomes half full.
REMOVING OIL COLLECTOR JARWhen the oiler jar becomes half empty, remove the oil filler plug and fill the jar with clean oil. Refer to Lubrication and Maintenance Chart for proper oil.
Never allow the jar to become empty. The starting motor will be damaged by lack of proper lubrication.
Adjusting The Air Starting Motor Oiler Feed
If necessary, adjust the oiler to release approximately four drops of oil per minute into the starting motor air stream.1. Move the compression release lever to the START position, and move the governor control lever to the SHUT-OFF position.2. Pull up on the air start control lever and crank the engine.3. Count the drops of oil released per minute into the air stream. a. Turn the valve needle (the uppermost knob on the oiler) counterclockwise to increase the number of drops.b. Turn the valve needle clockwise to decrease the number of drops.

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