SR 4 AND SRCR GENERATORS - OPERATION & MAINTENANCE Caterpillar

Every 4000 Service Meter Units

Lubricate Rear Bearing

1. Remove the two lower panels from the rear of the generator housing.

2. Remove the upper and lower grease fitting plugs.

3. Install a grease fitting in the upper threaded hole.

4. Lubricate with grease gun, two pumps. ^*

5. Install the lower plug. Wipe off excess grease.

Use Multipurpose-type Grease (MPG). NLGI No. 2 Grade is suitable for most temperatures. Use NLGI No. 1 or 0 Grade for extremely low temperatures.

6. Remove the fitting from the upper threaded hole.

7. Start the engine and allow the grease to expand.

8. Stop the engine. Install the plug in the lower hole and wipe off excess grease.

9. Install the two panels.

Inboard Bearing

1. Remove the cowl cover from the rear of the generator housing.

2. Remove the right side and lower grease pipe plugs.

3. Install a grease fitting in the right side threaded grease pipe.

4. Lubricate with grease gun, two pumps. ^*

Use Multipurpose-type Grease (MPG). NLGI No. 2 Grade is suitable for most temperatures. Use NLGI No. 1 or 0 Grade for extremely low temperatures.

5. Install the lower plug. Wipe off excess grease.

6. Remove the fitting from the right side grease pipe.

7. Start the engine and allow the grease to expand.

8. Stop the engine. Install the plug in the lower grease pipe and wipe off excess grease.

9. Install the cowl cover.

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^*Use three pumps of grease from grease gun if you are lubricating a 680 or 800 frame size generator.