Checking Transmission Oil Level (X370, X390, and X394)

1. Park machine safely on a level surface. (See Parking Safely in SAFETY section.)

2. Move hydraulic control lever back and forth a few times to relieve system pressure.

3. IMPORTANT: Avoid damage! Hot hydraulic oil will expand and show incorrect oil level. Check oil level:

   • When oil is cold.
   • With engine not running.
   
   

   Allow machine to cool

4. 
   MXT014269-UN-27OCT15

   Locate transmission oil reservoir (A) at rear of machine. Reservoir is marked FULL (B) and ADD (C).

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5. IMPORTANT: Avoid damage! Contamination can damage the hydraulic system. Clean thoroughly around reservoir fill cap before opening.

   If oil level is low, clean around reservoir cap (D).

6. Lift cap to remove. Cap is not threaded.

7. Add John Deere Low Viscosity HY-GARD™ (J20D) until oil level is at FULL mark on reservoir.

8. Install reservoir cap.

9. Start engine.

10. Operate the machine in forward, then reverse, several times.

11. Park machine safely on a level surface. (See Parking Safely in SAFETY section.)

12. Wait at least 3 minutes for hydraulic fluid to cool.

13. Check oil level again. Add oil if necessary.