John Deere

OMMT6743

Issue F9

Professional Utility Mower

2653A Diesel PIN (080001 - )

Introduction

Safety Signs

Controls

Operating

Operating Cutting Units

Replacement Parts

Service Machine Safely

Service Interval Chart

Service Lubrication

Service Engine

Service Transmission

Transmission And Hydrostatic Oil

Checking Hydraulic Oil Level

Change Hydrostatic Drive Oil

Replacing Hydrostatic Oil Filter

Service Cutting Units

Service Electrical

Service Miscellaneous

Troubleshooting

Storing Machine

Assembly

Specifications

Warranty

John Deere Service Literature

John Deere Quality Statement

CopyrightŠ Deere & Company

All Manuals Close Window

Service Transmission


Transmission And Hydrostatic Oil


MIF

Use oil viscosity based on the expected air temperature range during the period between oil changes.

John Deere HY-GARDŽ is recommended.

Other oils may be used if they meet the following:

John Deere Standard JDM J20C.

Use type F Automatic Transmission Fluid or John Deere All-Weather Hydrostatic Fluid.

Checking Hydraulic Oil Level

IMPORTANT: Avoid damage! Engine must not be running.


1. Park on a level surface.

2. Lower cutting units to the ground.

3. Stop the engine.

4. Check oil level when oil is cold.

NOTE: Fill tube is behind seat.


M97052

5. Pull dipstick (A) out to check oil level.

6. If oil level is low, add John Deere HY-GARD oil or an equivalent. (See Hydostatic Drive Oil in this section.)

Change Hydrostatic Drive Oil

c CAUTION: Avoid injury! Hydraulic Oil reservoir can get hot so use caution when filling and draining oil.

IMPORTANT: Avoid damage!

ˇ Prevent dirt from getting in reservoir.

ˇ Change hydrostatic drive oil and filter after first 50 hours of break-in operation.

ˇ Change hydrostatic oil and filter at 200 and 400 hours or yearly which ever comes first.


1. Park on a level surface.

NOTE: Drain plug is located left rear of machine below fuel tank.


M56218

2. Remove plug (A) and drain oil into a drain pan with at least a 6 gal capacity.

3. Install plug.

4. Fill reservoir with approximately 20.8 L (5.5 gal) of oil. Use John Deere HY-GARD oil or an equivalent oil meeting John Deere specifications (See Service Hydrostatic Oil in this Section.)

5. Start the engine. Cycle hydraulic control for 1 or 2 minutes.

6. Stop the engine and check oil level. Add oil as necessary.(See Checking Hydraulic Oil Level in this section).

Replacing Hydrostatic Oil Filter

1. Stop the engine. Engage the parking brake.


M78096

2. Turn hydraulic oil filter (A) counterclockwise to remove. Use drain pan to catch dripping oil.

3. Put a film of clean oil on seal of new filter.

4. Tighten filter until it contacts mounting surface. Tighten filter one full turn after gasket contact. A filter wrench may be required.

5. Start the engine and check for leaks.

6. Stop engine and check oil level. Add oil as necessary. (See Checking Hydraulic Oil Level in this section).