IntroductionProduct IdentificationSafetyOperatingReplacement PartsService IntervalsService LubricationService Engine - Models GX325 and GX335Service Engine - Model GX345Service TransmissionChecking Transmission Oil Level Changing Transmission Oil and Filters Service SteeringService MowerService ElectricalService MiscellaneousTroubleshootingStorageAssemblySpecificationsWarrantyJohn Deere Quality StatementService Record
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Service TransmissionTransmission OilThese machines are equipped with a internal wet disc brake transmission. Use only Low Viscosity HY-GARDŽ (J20D) transmission oil. Do not use type "F" automatic transmission fluid. John Deere Low Viscosity HY-GARDŽ (J20D) transmission oil is specially formulated to provide maximum protection against mechanical wear, corrosion, and foaming. It may be used in all operating temperatures. Checking Transmission Oil Level1. Park machine safely on a level surface. (See Parking Safely in the SAFETY section.) 2. Move hydraulic control lever back and forth a few times to relieve system pressure.
4. Locate transmission oil reservoir at rear of machine. Reservoir is marked FULL (A) and ADD (B).
5. If oil level is low, slide operator's seat ahead and tip it forward to access reservoir (C). Clean area around reservoir cap. 7. Add John Deere Low Viscosity HY-GARDŽ (J20D) until oil level is at FULL mark on reservoir. 10. Operate machine forward and in reverse several times. 11. Park machine safely on a level surface. (See Parking Safely in the SAFETY section.) 12. Wait at least 3 minutes for hydraulic oil to cool. 13. Check oil level again. Add oil if necessary. Changing Transmission Oil and Filters1. Park machine safely on a level surface. (See Parking Safely in the SAFETY section.) NOTE: Transmission is divided into two internally connected cavities. Rear drain plug (A) will drain differential gear side and front plug (B) will drain hydrostatic side. 3. Place drain pan under drain plugs (A) and (B). Remove plugs.
4. Clean area around transmission fill cap (C) and cap on transmission oil reservoir (D). 5. Remove fill caps and reservoir filter to improve drainage. Allow to drain completely. 6. Remove cap (E) from front side of transmission using a 3/8-inch ratchet. 7. Remove and discard transmission filter (F). 8. Install new filter with spring (G) toward access cap. Install and tighten cap. 9. Install and tighten transmission drain plugs. 10. Replace hydraulic filter (H): a. Note direction the filter is installed. b. Loosen nut (I) to disconnect filter from hydraulic line. c. Unscrew filter from other hydraulic line. Discard filter. d. Install new filter and O-rings (J). Make sure filter is installed in same direction as old filter. 11. Add approximately 2.4 L (2.5 qt) John Deere Low Viscosity HY-GARDŽ (J20D) to transmission fill opening (C) until oil level is at bottom of threads. Install and tighten fill cap. 12. Add approximately 2.4 L (2.5 qt) John Deere Low Viscosity HY-GARDŽ (J20D) to transmission reservoir (D) until oil level is at FULL mark. Install reservoir filter and cap. 14. Check for leaks around drain plugs and hydraulic filter. 15. Operate machine forward and in reverse several times. 16. Park machine safely on level surface. (See Parking Safely in the SAFETY section.) 17. Wait at least 3 minutes for hydraulic oil to cool. 18. Check oil level in reservoir. Add oil to reservoir if necessary. |
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