D400E Series II Ejector Truck (Ejector Cylinder) Machine Systems Caterpillar

Removal Procedure

Park the machine on a level surface. Partially extend the ejector cylinder. Engage the parking brake. Shut off the engine. Install the steering frame locks. Refer to Operation and Maintenance Manual, SEBU7379, "Steering Frame Lock" for additional information.

Illustration 1	g00733947

1. Secure a suitable lifting sling around the housing for ejector cylinder (3). Secure the lifting sling to a suitable hoist. The weight of the ejector cylinder is 550 kg (1215 lb). Apply tension to the lifting strap in order to relieve some of the weight of the cylinder from the bearing caps.

2. Remove the grease lines, if equipped. The grease lines may lead to bearing caps (2) .

3. Remove the 4 bolts and the 2 covers on each side of bearing caps (2) .

4. Remove the 4 bolts and 4 washers from the bearing caps. Remove bearing caps (2). Bushings are located under the bearing caps. Remove the bushings when the trunnion for the ejector cylinder is free from the bearing retainers.

5. Start the engine. Retract the ejector cylinder. The hoist must be moved as the cylinder is retracted. Secure a second lifting sling to the ejector cylinder in order to balance the cylinder. A second lifting sling may need to be secured to the cylinder in order to better balance the cylinder.

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Illustration 2	g00733949

6. Disconnect hydraulic line (4) from the head of the ejector cylinder. Hydraulic line (4) supplies oil in order to extend the ejector cylinder. Collect the oil in a suitable container. Cap the line and plug the port.

7. Disconnect hydraulic line (5) from the head of the ejector cylinder. Hydraulic line (5) supplies oil in order to retract the ejector cylinder. Collect the oil in a suitable container. Cap the line and plug the port.

8. Remove the bolt, the hard washer, and the washer from pin (6). Drive out pin 6 with a suitable driver. Remove the cylinder.