John Deere Tractor 5100E

Tighten Air Intake System and Engine Cooling System Hose Clamps

1. Park machine, shut off engine, and remove key.

3. Remove cap screws and bolts (A) from fan shields (B) as required to remove.

4. Inspect hose clamps (C) of the fuel, air intake, hydraulic cooling, and engine cooling systems. Tighten any loose hose clamps. See the following illustrations for hose locations.

5. Reinstall shields and lower hood before operating machine.

Change Transmission/Hydraulic Filter

1. Park machine on level ground, shut off engine, and remove key.

2. Remove cover (A) and filter.

Clean Air Filter Dust Unloading Valve

Park machine on level ground and shut off engine.

Squeeze the end of the dust unloading valve (A) open and remove any excessive buildup of dust and dirt. Replace if damaged.

Drain Water and Sediment from Fuel Tank and Fuel Filter

Park machine on level ground and shut off engine. Remove key.

Open fuel tank drain plug (A) to bleed accumulated moisture and sediment from the fuel tank. Tighten plug when clear fuel runs from fitting.

1. Place machine in park and shut off engine. Remove key.

3. Put a mark on swing arm (A) of the tensioner as shown.

4. Measure 21 mm (0.83 in) from mark on swing arm (A) and put a mark on tensioner mounting base (B).

5. Rotate the swing arm using a torque wrench until marks (A and B) are aligned. Pull tensioner with torque wrench away from engine.

6. Record torque wrench measurement and compare with specification. If recorded measurement is below specifications, have your John Deere dealer replace tensioner assembly.

7. Install fan belt. (See Replace Fan Belt in this section.)

Change Transmission/Hydraulic Oil and Filter

Park machine on level ground and shut off engine

Place a container under the drain port, capture waste oil and dispose of properly

Remove drain plug (A) and allow oil to drain

Remove engine oil filter (B). Make sure that old filter gasket is removed from housing before installing new filter

Inspect Hitch and Drawbar for Excessive Wear

Check MFWD Axle Housing and Wheel Hub Oil Levels

1. Park machine on a level surface, with wheel rotated until drain/fill port plug (B) is parallel to ground.

2. Remove drain/fill port plug (B).

3. Correct oil level is (A) at bottom of the drain/fill port.

4. Install drain/fill port plug and tighten to specifications.

6. Correct oil level at bottom of port.

7. Install fill/level port plug and tighten to specifications.