5130B Excavator Automatic Lubrication System Grease - Add Caterpillar

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The lines and the pipes in the automatic lubrication system are under extremely high pressure. Do not loosen any joints or plugs while the pump is operating. Serious injury can result from high pressure grease spraying out suddenly.

Illustration 1	g00656308

The lubricant can be replenished by replacing the drum or by filling the drum with a paddle. The lubricator holds 54 kg (120 lb) of lubricant when the system is empty.

The following steps are instructions on replacing the drum:

1. Loosen the nuts that are used to hold the cover and the drum in place.

2. Attach a lifting device to the drum. Fasten the lifting device to the lifting eye overhead.

3. Lift the drum and lower the drum through the floor.

4. Attach a lifting device to the new drum of lubricant and raise the new drum into position.

5. Install the cover. Tighten the nuts that hold the cover and the drum in place.

Illustration 2	g00656310

The following steps are instructions on refilling the drum:

1. Remove the plug from the top of the drum in order to vent the drum of pressure.

2. Remove the plug from the bottom of the drum.

3. Install a hose to the lower port.

4. Fill the drum through the bottom hose, until the grease is at the bottom of the top plug.

5. Remove the hose from the bottom of the drum and install the two plugs.