How to Adjust the PTO Clutch on a John Deere

Written by yvonne grant
  • Share
  • Tweet
  • Share
  • Email

The more expensive lawn tractors in the John Deere line come with an electric PTO clutch. The PTO clutch is bolted to the bottom of the engine on the crankshaft, when the mower blades are turned to the ON position, a 12-volt current is sent to the clutch. A brake is engaged causing the blade belt to turn. As the engine ages, the clutch can start to slip, causing the mower deck to cut poorly, and when this happens you need to adjust the clutch.

Skill level:
Moderate

Other People Are Reading

Things you need

  • Feeler gauge
  • 1/2-inch wrench

Show MoreHide

Instructions

  1. 1

    Park the lawnmower on a hard, level surface and set the parking brake. Turn the ignition key to the OFF position. Ensure the PTO switch on the right of the dash is in the OFF position.

  2. 2

    Locate the PTO clutch under the engine, bolted to the crankshaft. Check the sticker on the clutch plate; it will say either Warner or Ogura. Set the feeler gauge to 0.51mm if it is a Warner clutch and 0.41mm if it is an Ogura.

  3. 3

    Insert the feeler gauge through the slot in the brake plate directly above the pulley; the gauge should be between the clutch rotor and the armature. Tighten one of the three locknuts; ensure the feeler gauge is directly under the bolt. Tighten the nut and use a sweeping motion with the feeler gauge until there is friction between the armature and rotor. Repeat this step with the other two locknuts.

  4. 4

    Start the lawnmower and engage and disengage the mower blades to check the adjustment.

Don't Miss

Filter:
  • All types
  • Articles
  • Slideshows
  • Videos
Sort:
  • Most relevant
  • Most popular
  • Most recent

No articles available

No slideshows available

No videos available

By using the eHow.co.uk site, you consent to the use of cookies. For more information, please see our Cookie policy.