623H Wheel Tractor-Scraper Caterpillar

Show/hide table

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.

Tractor

Illustration 1	g02158622

Clean the area around the oil level gauge and the oil filler cap before you remove the oil level gauge and the oil filler cap.

1. Before starting the engine, check the oil level gauge (2) . Maintain the oil level between the marks on the oil level gauge.

2. If necessary, remove oil filler cap (1) in order to add oil.

3. Clean the oil filler cap and install the oil filler cap.

Scraper

Illustration 2	g02830156

The hydraulic tank sight gauge is positioned on the rear of the machine.

1. Operate the machine until the oil is warm.

2. Park the machine on a level surface with the front wheels straight ahead.

3. Lower all attachments to the ground.

4. Engage the parking brake. Stop the engine.

5. Maintain the oil level above the "MIN" mark on sight gauge (2) .

6. If necessary, add oil. Clean the area around hydraulic oil filler cap (1) of any dirt or debris. This must be done before the hydraulic oil filler cap can be removed.

7. Slowly remove the hydraulic oil filler cap in order to relieve the tank pressure.

8. Add oil through the filler tube.

9. Clean the hydraulic oil filler cap and install the hydraulic oil filler cap.