How to Change the Hydraulic Filter on a John Deere 301A

The John Deere 301A is an industrial-type tractor that was first manufactured in 1973. The tractor also comes in an agricultural model and has a three-cylinder diesel or gas engine. The chassis is two-wheel-drive and has an overall weight of more than 4,000 pounds. The hydraulic filter should be changed on a regular basis and replacement filters can be obtained through John Deere or other authorized tractor suppliers or retailers.

Protective gear
Drain pan
Clean cloths
Hydraulic oil

Instructions

- 1
  Warm up the tractor by running the engine and then turn off the John Deere tractor and set the parking brake. Warming the engine will help loosen the current filter and reduce any pressure but note that this also leaves the tractor components warm to the touch. Wear protective gloves and gear to help prevent burns or other injuries.
- 2
  Set an empty drain pan under the hydraulic filter, which is located on the left side of tractor and looks like a large cylinder. Wipe the area clean to avoid contaminating the new hydraulic oil with dirt or residue.
- 3
  Rotate the filter counterclockwise to remove and allow the oil from the filter to drain into the pan.
- 4
  Apply a thin layer of transmission oil to the new filter seal and fill the filter up to one-half full with hydraulic oil.
- 5
  Quickly attach the new filter to the hydraulic filter head until the filter comes in contact with the mounting and then tighten one more one-half turn by hand.

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