SUPPLEMENT TO THE AP-800 OPERATION AND MAINTENANCE GUIDE, FO Caterpillar

The original pages 5-1, 5-2 and 5-3 of the AP-800 Operation and Maintenance Guide contain data that are incorrect. The attached corrected pages should be inserted in the AP-800 Operation and Maintenance Guide after page 5-2. The original pages 5-1, 5-2 and 5-3 should be marked out.

The major changes made are:

Page 5-1

1. All capacities are updated.

2. The fuel specification is updated.

3. The engine crankcase oil viscosity table is updated.

4. The high temperature lubricant (HT) is added.

Page 5-2

1. C3 hydraulic transmission fluid is not used on the AP-800 and is therefore deleted.

Page 5-3

1. All capacities are updated.

2. The 200 hour service column replaces the original 250 hour column.

3. Item 15a (park brake cylinder or fail safe cylinder) is added.

4. The two speed transmission lubricant (item 16) is changed to HO.

5. The trunnion bearing (item 17) is deleted.

6. The service interval for the vibrator bearings (item 28) is changed to 50 hours.

7. The lubricant for the vibrator bearings and U-joints (items 28 and 29) is changed to HT.

8. The lubricant for the screed vibrator shaft splines (item 30) is changed to BR.

9. The service interval for the gate bearings or hopper gate cranks (item 35) is changed to 200 hours.

10. The services required for Items 20, 24, 26 and 27 are deleted from the 1000 hour service column.