NO. 16 MOTOR GRADER Every 500 Service Hours Or 3 Months Caterpillar

(37)Transmission Drive Universal Joint

Lubricate 1 fitting in each end of joint. Total 2 fittings (49G1-49G811).

(38)Final Drive Universal Joints

Lubricate 1 fitting in each joint. Total 2 fittings.

(39)Power Control Drive Universal Joints

1. Lubricate 1 fitting in each joint of forward shaft. Total 2 fittings.

2. Lubricate 1 fitting in each joint of connecting shaft. Total 2 fittings.

(40)Hydraulic System

1. Lower all equipment. Stop engine.

2. Open bleed plug (if equipped) to relieve pressure.

3. Remove filter cover assembly. Inspect seal. Use new one if damaged.

4. Remove used element.

5. Install new element.

6. Install cover and start engine. Run at low idle.

7. Open bleeder plug. Close when oil runs free of air bubbles. Check sight gauge.

8. Stop engine and add oil, if required.

(41)Transmission

1. Remove plug from base, mounted on lower side of transmission, and drain housing only.

2. Remove cover nuts.

3. Remove cover assembly. Inspect seal and use new seal if damaged.

4. Remove used element. Clean and install drain plug.

5. Install new element.

6. Install cap assembly. Start and operate machine a few minutes.

7. Check oil level with engine running. Add oil if required.

(42)Engine Crankcase Breather

1. Remove entire breather assembly and disassemble.

2. Wash element in clean solvent, and dry with pressure air.

3. Wash breather housing in clean solvent.

4. Assemble breather and install.

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When using pressure air, wear safety glasses and protective clothing. Use 30 PSI (2 kg/cm2) maximum pressure air for cleaning purposes.