SS-250 SOIL STABILIZER 500 Hour Service Caterpillar

1. Change the hydraulic oil in the hydraulic oil tank.

2. Change the oil in the ground drive transmission.

Changing The Hydraulic Oil

HYDRAULIC OIL TANK

When changing the hydraulic oil, cleanliness must be kept in mind at all times. Perform the work in a clean area, use clean tools, keep your hands clean and clean up the outside of the hydraulic oil tank before starting.

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THE HYDRAULIC OIL AT OPERATING TEMPERATURE CAN CAUSE SERIOUS BURNS. LET THE MACHINE STAND IDLE UNTIL THE OIL HAS COOLED AND THE TANK IS COMFORTABLE TO TOUCH.

1. Remove the drain plug from the bottom of the tank and allow the oil to drain.

2. Pour a small amount of clean hydraulic oil into the tank to clean out the bottom of the tank.

3. Install the drain plug.

4. Fill the tank with clean hydraulic oil meeting the specification on page 3-1.

5. Change the ground drive suction and auxiliary return filter elements (see page 3-24).

Changing The Oil In The Ground Drive Transmission

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HOT OIL OR COMPONENTS CAN CAUSE BURNS IF THEY CONTACT SKIN. USE CAUTION WHEN DRAINING OIL OR CHANGING FILTERS. ALLOW THE MACHINE TO STAND IDLE UNTIL THE TRANSMISSION CASE IS COOL ENOUGH TO TOUCH WITH YOUR HAND.

1. Place a suitable container beneath the transmission. The transmission holds approximately 3 quarts (2.8 L) of oil.

2. Remove the drain plug and allow the oil to drain.

3. Replace the drain plug.

4. Fill the transmission with lubricant meeting the specification on page 3-2.